Topic leaderboard
Supplying combustion engines with mixtures
Ranked by the PatentIndex Score — a 1–99 percentile within F02M · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F02M patents became public in the last 2 years — the current frontier
- 199Steven Scott Gieseke29 patents · 1,424 citations
- 296Benny K. Nelson39 patents · 1,155 citations
- 392Bruce Allen Boehrs9 patents · 624 citations
- 488Thomas G. Leone120 patents · 2,687 citations
- 583Paul Wendt7 patents · 298 citations
- 679Daniel E. Adamek24 patents · 381 citations
- 775Donald J. Benson42 patents · 977 citations
- 871Gregory H. Henderson10 patents · 472 citations
- 967Mamoru Yoshioka60 patents · 762 citations
- 1063Michael W. Walser18 patents · 385 citations
- 1158Roger Khami53 patents · 547 citations
- 1254Hubert Stier51 patents · 827 citations
- 1350Satoshi Usui58 patents · 421 citations
- 1446Sandeep Munshi17 patents · 376 citations
- 1542Takashi Suzuki19 patents · 314 citations
- 1638Mark W. Peters65 patents · 547 citations
- 1733Johnny Craessaerts17 patents · 210 citations
- 1829Scott A. Bohr40 patents · 452 citations
- 1925Dana R. Coldren84 patents · 878 citations
- 2021Aed M. Dudar363 patents · 1,899 citations
- 2117Alois Raab11 patents · 283 citations
- 2213Ismail C. Bagci19 patents · 263 citations
- 238Chris W. Rella10 patents · 120 citations
- 244Sze Meng Tan10 patents · 120 citations
- 251Minoru Hashida23 patents · 187 citations
Active· last 5 yrs
Sustained F02M output across the last 5 years
- 199Axel O. Zur Loye17 patents · 1,827 citations
- 296Fred H. Wahlquist20 patents · 1,778 citations
- 392Paul Coulonvaux26 patents · 1,613 citations
- 488Wayne R. W. Bishop15 patents · 1,245 citations
- 583Thomas Miller31 patents · 1,627 citations
- 679Steven Scott Gieseke29 patents · 1,424 citations
- 775Kevin Schrage28 patents · 1,288 citations
- 871Donald Mork27 patents · 1,236 citations
- 967Daniel R. Cohn73 patents · 1,956 citations
- 1063Bradley Kuempel16 patents · 983 citations
- 1158Thomas Lundgren16 patents · 983 citations
- 1254Leslie Bromberg73 patents · 1,827 citations
- 1350Benny K. Nelson39 patents · 1,155 citations
- 1446Richard Osendorf20 patents · 864 citations
- 1542Bruce Crenshaw15 patents · 842 citations
- 1638Darrel Wegner14 patents · 721 citations
- 1733Gregory Reichter14 patents · 721 citations
- 1829Vladimir Kladnitsky14 patents · 721 citations
- 1925John B. Heywood43 patents · 1,080 citations
- 2021Thomas R. Olson19 patents · 704 citations
- 2117Bruce Allen Boehrs9 patents · 624 citations
- 2213Jordan Flagstad11 patents · 433 citations
- 238Thomas G. Leone120 patents · 2,687 citations
- 244Mark V. Holzmann25 patents · 834 citations
- 251Michiel J. Van Nieuwstadt48 patents · 1,260 citations
All-time canon
Career PatentIndex Score in F02M
- 199Alex J. Severinsky13 patents · 1,507 citations
- 296Theodore Louckes13 patents · 1,507 citations
- 392Gary R. Gillingham27 patents · 2,996 citations
- 488Axel O. Zur Loye17 patents · 1,827 citations
- 583Daniel T. Risch10 patents · 1,881 citations
- 679John F. Wright13 patents · 1,747 citations
- 775Alfonso Ganan-Calvo25 patents · 3,160 citations
- 871Fred H. Wahlquist20 patents · 1,778 citations
- 967Brad E. Kahlbaugh13 patents · 1,476 citations
- 1063Denis J. Dudrey13 patents · 1,476 citations
- 1158John T. Herman10 patents · 1,244 citations
- 1254Susan B. Reinhart10 patents · 1,244 citations
- 1350Gary L. Hunter14 patents · 1,283 citations
- 1446Paul Coulonvaux26 patents · 1,613 citations
- 1542Greg Moore6 patents · 1,232 citations
- 1638Julie A. Wagner5 patents · 1,216 citations
- 1733Wayne R. W. Bishop15 patents · 1,245 citations
- 1829Thomas Miller31 patents · 1,627 citations
- 1925Lester L. Peters70 patents · 2,884 citations
- 2021Patrick M. Pierz12 patents · 1,079 citations
- 2117Steven Scott Gieseke29 patents · 1,424 citations
- 2213Jim C. Rothman13 patents · 1,184 citations
- 238Kevin Schrage28 patents · 1,288 citations
- 244Donald Mork27 patents · 1,236 citations
- 251Jin Hyun Lee7 patents · 1,482 citations
Rising· last 2 yrs
The top-scoring F02M patents made public in the last 2 years
- 199US12297795B1✦ AIMulti-function fuel injector valve in dual fuel system and fuel system operating method5 cites · 202584% earned
- 296US12326127B2✦ AIMulti-fuel injector with fuel mixing4 cites · 202582% earned
- 392US11981562B2✦ AISystems and methods for the on-board catalytic production of hydrogen from ammonia using a3 cites · 202472% earned
- 488US11867099B1Crankcase ventilation system architecture3 cites · 202480% earned
- 583US12162754B2Systems and methods for engine-mounted catalytic production of hydrogen from ammonia for u2 cites · 202476% earned
- 679US12090836B1Off-road vehicle3 cites · 202480% earned
- 775US12188438B1Air intake system having a detachable window for viewing the air filter2 cites · 202567% earned
- 871US12025084B1In-tank ejector pump2 cites · 202476% earned
- 967US12006882B1Rotary engine with dual-fuel injectors2 cites · 202476% earned
- 1063US11905836B1Rotary engine with single dual-fuel injector2 cites · 202476% earned
- 1158US12031508B1Systems and methods for compressing engine exhaust to natural gas pipeline2 cites · 202476% earned
- 1254US11867141B1Ethanol detection with heated fuel injector in flexible fuel vehicles2 cites · 202476% earned
- 1350US12404818B2Apparatus and method for injecting a pilot fuel into an internal combustion engine2 cites · 202467% earned
- 1446US12253054B1Chemically resistant inserts and/or spacers for an intake manifold that enable flow of coo1 cites · 202556% earned
- 1542US12085050B2Switching fuel rail for a diesel fuel engine2 cites · 202476% earned
- 1638US11988178B2System and methods for propulsion and powering systems using recyclable metallic fuels2 cites · 202476% earned
- 1733US12371319B2Systems and methods for cooling hydrogen fuel generated on-board prior to injection into a1 cites · 202567% earned
- 1829US11933256B1Intake manifold cover configured for fluid distribution and capture of insulator2 cites · 202476% earned
- 1925US12404827B2Fuel injector of an internal combustion engine and combustion engine1 cites · 202467% earned
- 2021US12158125B1System for controlling production of ozone for an internal combustion engine1 cites · 202467% earned
- 2117US12392308B2System for supplying gaseous fuel1 cites · 202467% earned
- 2213US12201930B2Filter elements, air cleaner assemblies, and methods of use and assembly1 cites · 202444% earned
- 238US12186698B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methods1 cites · 202444% earned
- 244US11952970B1Fluid booster system1 cites · 202446% earned
- 251US12090610B2Engine component removal tool1 cites · 202450% earned
Active· last 5 yrs
The top-scoring F02M patents of the last 5 years
- 199US11312229B1✦ AIFuel system mountable to a vehicle frame20 cites · 202275% earned
- 296US11060443B1✦ AISystems and methods for increasing oxygen levels in an active pre-chamber22 cites · 202190% earned
- 392US11384721B1✦ AIDual fuel system having dual fuel injector and engine operating method15 cites · 202276% earned
- 488US11598269B1Air intake plenum for attenuating sound from a marine engine12 cites · 202382% earned
- 583US11149662B2Zero emission propulsion systems and generator sets using ammonia as fuel24 cites · 202185% earned
- 679US11156198B1Systems and methods for ignition coil multiplexing in a pre-chamber system18 cites · 202189% earned
- 775US11428186B2Fuel agnostic compression ignition engine13 cites · 202275% earned
- 871US11598276B1Methods and systems for multi-fuel engine13 cites · 202388% earned
- 967US12297795B1Multi-function fuel injector valve in dual fuel system and fuel system operating method5 cites · 202584% earned
- 1063US11085402B1Methods and systems for operating an adjustable pre-chamber15 cites · 202189% earned
- 1158US10975762B1Marine engines having a supercharger and charge air coolers16 cites · 202189% earned
- 1254US11261770B1Catalyst light off using purge fuel and e-booster11 cites · 202288% earned
- 1350US11333095B1Method and system for fuel system diagnostics13 cites · 202283% earned
- 1446US11073116B1Cooling systems for marine engines having a supercharger15 cites · 202189% earned
- 1542US11840449B1Systems and methods for the catalytic production of hydrogen from ammonia on-board motor v8 cites · 202380% earned
- 1638US11629643B1Fuel pump systems8 cites · 202386% earned
- 1733US11215147B2Fuel tank pressure regulator10 cites · 202187% earned
- 1829US11614280B2Reforming system connected with a raw material gas vaporization system12 cites · 202188% earned
- 1925US11420147B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methods11 cites · 202174% earned
- 2021US11078826B1Gaseous fuel engine and sparkless operating strategy therefor11 cites · 202188% earned
- 2117US11660558B2Filter cartridges; air cleaner assemblies; housings; features; components; and, methods9 cites · 202274% earned
- 2213US11346308B1Methods and systems for diagnosing degradation in a pressure-less fuel tank9 cites · 202287% earned
- 238US11635046B1Method and systems for active air fuel ratio control9 cites · 202387% earned
- 244US11359582B1Systems and methods for canister filter diagnostics9 cites · 202287% earned
- 251USD962291SIntake manifold9 cites · 202287% earned
All-time canon
The defining F02M patents of the whole record
- 199US4134425A✦ AIDevice for distributing flowing media over a flow cross section619 cites · 197995% earned
- 296US6874480B1✦ AIFlow meter590 cites · 200595% earned
- 392US6179890B1✦ AIAir cleaner having sealing arrangement between media arrangement and housing524 cites · 200192% earned
- 488US5902364AConical filter506 cites · 199995% earned
- 583US7964881B2Semiconductor light emitting device, method of manufacturing the same, and semiconductor l495 cites · 200986% earned
- 679US7985976B2Semiconductor light emitting device, method of manufacturing the same, and semiconductor l476 cites · 201086% earned
- 775US8263987B2Semiconductor light emitting device, method of manufacturing the same, and semiconductor l474 cites · 201186% earned
- 871US5895574ARolled liquid filter using fluted media449 cites · 199995% earned
- 967US5792247AIntegrated resonator and filter apparatus443 cites · 199892% earned
- 1063US5484466AAir filter element with radial seal sealing gasket409 cites · 199695% earned
- 1158US6554088B2Hybrid vehicles406 cites · 200180% earned
- 1254US6276334B1Premixed charge compression ignition engine with optimal combustion control385 cites · 200195% earned
- 1350US5082476AFiltration arrangement and method357 cites · 199291% earned
- 1446US5547480ACylindrical air filter with radially directed seal347 cites · 199687% earned
- 1542US6155212AMethod and apparatus for operation of combustion engines345 cites · 200094% earned
- 1638US6062026ATurbocharging systems for internal combustion engines323 cites · 200094% earned
- 1733US5487767ARadially sealed air filters316 cites · 199694% earned
- 1829US5771868ATurbocharging systems for internal combustion engines310 cites · 199894% earned
- 1925US5875743AApparatus and method for reducing emissions in a dual combustion mode diesel engine303 cites · 199994% earned
- 2021US5238474AFiltration arrangement301 cites · 199384% earned
- 2117US6230683B1Premixed charge compression ignition engine with optimal combustion control300 cites · 200185% earned
- 2213US5472463APressure side integrated air filter and filtering networks for engines296 cites · 199594% earned
- 238US5491631AFault diagnostic system for vehicles using identification and program codes291 cites · 199694% earned
- 244US6301887B1Low pressure EGR system for diesel engines290 cites · 200194% earned
- 251US6039778AAir cleaner assembly286 cites · 200091% earned
Rising· last 2 yrs
Assignees whose newest F02M patents became public in the last 2 years — the current frontier
- 199DONALDSON CO INC222 patents · 10,455 citations
- 296CUMMINS INC359 patents · 4,138 citations
- 392FORD GLOBAL TECH LLC1,830 patents · 15,320 citations
- 488TOYOTA MOTOR CO LTD1,508 patents · 23,521 citations
- 583CATERPILLAR INC1,146 patents · 19,019 citations
- 679NISSAN MOTOR782 patents · 15,717 citations
- 775MITSUBISHI MOTORS CORP135 patents · 3,262 citations
- 871DENSO CORP1,063 patents · 10,923 citations
- 967BOSCH GMBH ROBERT2,919 patents · 44,102 citations
- 1063SOUTHWEST RES INST88 patents · 2,212 citations
- 1158HONDA MOTOR CO LTD1,166 patents · 14,964 citations
- 1254BORGWARNER INC85 patents · 1,513 citations
- 1350DEERE & CO125 patents · 1,756 citations
- 1446AISAN IND435 patents · 5,048 citations
- 1542MITSUBISHI HEAVY IND LTD84 patents · 1,104 citations
- 1638MAZDA MOTOR329 patents · 4,111 citations
- 1733ISUZU MOTORS LTD130 patents · 2,331 citations
- 1829YAMAHA MOTOR CO LTD408 patents · 6,702 citations
- 1925GEN ELECTRIC186 patents · 1,633 citations
- 2021ILLINOIS TOOL WORKS27 patents · 439 citations
- 2117KAWASAKI HEAVY IND LTD134 patents · 1,380 citations
- 2213BAYERISCHE MOTOREN WERKE AG98 patents · 654 citations
- 238HYUNDAI MOTOR CO LTD626 patents · 1,662 citations
- 244POLARIS INC32 patents · 369 citations
- 251MANN & HUMMEL GMBH346 patents · 1,283 citations
Active· last 5 yrs
Sustained F02M output across the last 5 years
- 199DONALDSON CO INC222 patents · 10,455 citations
- 296CUMMINS INC359 patents · 4,138 citations
- 392MASSACHUSETTS INST TECHNOLOGY44 patents · 1,458 citations
- 488FORD GLOBAL TECH LLC1,830 patents · 15,320 citations
- 583BALDWIN FILTERS INC14 patents · 1,184 citations
- 679TOYOTA MOTOR CO LTD1,508 patents · 23,521 citations
- 775CATERPILLAR INC1,146 patents · 19,019 citations
- 871PARKER HANNIFIN CORP50 patents · 2,514 citations
- 967FORD MOTOR CO319 patents · 11,596 citations
- 1063NISSAN MOTOR782 patents · 15,717 citations
- 1158MITSUBISHI MOTORS CORP135 patents · 3,262 citations
- 1254DENSO CORP1,063 patents · 10,923 citations
- 1350BOSCH GMBH ROBERT2,919 patents · 44,102 citations
- 1446SOUTHWEST RES INST88 patents · 2,212 citations
- 1542HONDA MOTOR CO LTD1,166 patents · 14,964 citations
- 1638HITACHI LTD466 patents · 8,537 citations
- 1733BORGWARNER INC85 patents · 1,513 citations
- 1829DEERE & CO125 patents · 1,756 citations
- 1925AISAN IND435 patents · 5,048 citations
- 2021MITSUBISHI HEAVY IND LTD84 patents · 1,104 citations
- 2117MTU FRIEDRICHSHAFEN GMBH64 patents · 1,112 citations
- 2213MAZDA MOTOR329 patents · 4,111 citations
- 238BRUNSWICK CORP162 patents · 3,107 citations
- 244ISUZU MOTORS LTD130 patents · 2,331 citations
- 251YAMAHA MOTOR CO LTD408 patents · 6,702 citations
All-time canon
All-time PatentIndex Score in F02M
- 199DONALDSON CO INC222 patents · 10,455 citations
- 296PAICE LLC8 patents · 1,016 citations
- 392CUMMINS ENGINE CO INC221 patents · 8,974 citations
- 488UNIV SEVILLA22 patents · 2,764 citations
- 583CUMMINS INC359 patents · 4,138 citations
- 679NELSON IND INC16 patents · 1,959 citations
- 775MASSACHUSETTS INST TECHNOLOGY44 patents · 1,458 citations
- 871FORD GLOBAL TECH LLC1,830 patents · 15,320 citations
- 967NIPPON DENSO CO302 patents · 10,225 citations
- 1063MANN & HUMMEL FILTER128 patents · 5,220 citations
- 1158BALDWIN FILTERS INC14 patents · 1,184 citations
- 1254TOYOTA MOTOR CO LTD1,508 patents · 23,521 citations
- 1350CATERPILLAR INC1,146 patents · 19,019 citations
- 1446FORD GLOBAL TECH INC170 patents · 7,031 citations
- 1542PARKER HANNIFIN CORP50 patents · 2,514 citations
- 1638SIEMENS AG254 patents · 4,524 citations
- 1733FORD MOTOR CO319 patents · 11,596 citations
- 1829GEN MOTORS CORP528 patents · 16,304 citations
- 1925NISSAN MOTOR782 patents · 15,717 citations
- 2021ENGELHARD CORP6 patents · 823 citations
- 2117MITSUBISHI MOTORS CORP135 patents · 3,262 citations
- 2213DENSO CORP1,063 patents · 10,923 citations
- 238BOSCH GMBH ROBERT2,919 patents · 44,102 citations
- 244SOUTHWEST RES INST88 patents · 2,212 citations
- 251SIEMENS AUTOMOTIVE CORP LP238 patents · 5,782 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth