Topic leaderboard
Non-positive-displacement pumps
Ranked by the PatentIndex Score — a 1–99 percentile within F04D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F04D patents became public in the last 2 years — the current frontier
- 199Jeffrey A. Larose27 patents · 1,848 citations
- 296Chad Lawman40 patents · 1,179 citations
- 392David Kubricht40 patents · 1,179 citations
- 488David Todd40 patents · 1,179 citations
- 583Jeffrey Pollack40 patents · 1,179 citations
- 679John J. Crosetto40 patents · 1,179 citations
- 775John Fischer40 patents · 1,179 citations
- 871Richard Cheatham40 patents · 1,179 citations
- 967Tyler Nolen40 patents · 1,179 citations
- 1063Barton John Kenyon75 patents · 1,856 citations
- 1158Thomas Schmitz-Rode13 patents · 1,269 citations
- 1254Rolf W. Günther12 patents · 1,265 citations
- 1350Reiner Liebing21 patents · 975 citations
- 1446Joachim Georg Pfeffer11 patents · 699 citations
- 1542Paul V. Cooper71 patents · 4,441 citations
- 1638Joerg Schumacher21 patents · 904 citations
- 1733Mario Scheckel20 patents · 825 citations
- 1829Michael E. Mccune37 patents · 482 citations
- 1925Sami Er14 patents · 554 citations
- 2021Daniel Roehn13 patents · 639 citations
- 2117Werner Mohl16 patents · 354 citations
- 2213Frederick M. Schwarz83 patents · 711 citations
- 238Gabriel L. Suciu90 patents · 827 citations
- 244Henning Schlicht10 patents · 387 citations
- 251Peter John Sweeney12 patents · 987 citations
Active· last 5 yrs
Sustained F04D output across the last 5 years
- 199Mark W. Mcbride17 patents · 2,318 citations
- 296Boris Leschinsky16 patents · 2,115 citations
- 392David A. Boger16 patents · 2,115 citations
- 488Gregory P. Dillon16 patents · 2,115 citations
- 583James P. Runt16 patents · 2,115 citations
- 679Justin M. Walsh16 patents · 2,115 citations
- 775Robert L. Campbell16 patents · 2,115 citations
- 871Robert F. Kunz16 patents · 2,115 citations
- 967Stephen A. Hambric16 patents · 2,115 citations
- 1063Thomas M. Mallison16 patents · 2,115 citations
- 1158Jeffrey A. Larose27 patents · 1,848 citations
- 1254Chad Lawman40 patents · 1,179 citations
- 1350David Kubricht40 patents · 1,179 citations
- 1446David Todd40 patents · 1,179 citations
- 1542Jeffrey Pollack40 patents · 1,179 citations
- 1638John J. Crosetto40 patents · 1,179 citations
- 1733John Fischer40 patents · 1,179 citations
- 1829Richard Cheatham40 patents · 1,179 citations
- 1925Tyler Nolen40 patents · 1,179 citations
- 2021Elden Crom10 patents · 1,459 citations
- 2117David Keith Crowe7 patents · 951 citations
- 2213Barton John Kenyon75 patents · 1,856 citations
- 238Thorsten Siess17 patents · 1,869 citations
- 244Thomas Schmitz-Rode13 patents · 1,269 citations
- 251Rolf W. Günther12 patents · 1,265 citations
All-time canon
Career PatentIndex Score in F04D
- 199Michael L. Blomquist6 patents · 2,489 citations
- 296Mark W. Mcbride17 patents · 2,318 citations
- 392Boris Leschinsky16 patents · 2,115 citations
- 488David A. Boger16 patents · 2,115 citations
- 583Gregory P. Dillon16 patents · 2,115 citations
- 679James P. Runt16 patents · 2,115 citations
- 775Justin M. Walsh16 patents · 2,115 citations
- 871Robert L. Campbell16 patents · 2,115 citations
- 967Robert F. Kunz16 patents · 2,115 citations
- 1063Stephen A. Hambric16 patents · 2,115 citations
- 1158Thomas M. Mallison16 patents · 2,115 citations
- 1254Jeffrey A. Larose27 patents · 1,848 citations
- 1350Charles R. Shambaugh23 patents · 1,832 citations
- 1446David C. Shafer5 patents · 1,426 citations
- 1542Richard K. Wampler27 patents · 3,245 citations
- 1638Douglas F. Devries7 patents · 1,341 citations
- 1733Malcolm Williams7 patents · 1,341 citations
- 1829Michael J. Cegielski7 patents · 1,341 citations
- 1925Michael Holmes7 patents · 1,341 citations
- 2021Warner V. Graves, Jr.7 patents · 1,341 citations
- 2117Kenneth C. Butler7 patents · 2,370 citations
- 2213Chad Lawman40 patents · 1,179 citations
- 238David Kubricht40 patents · 1,179 citations
- 244David Todd40 patents · 1,179 citations
- 251Jeffrey Pollack40 patents · 1,179 citations
Rising· last 2 yrs
The top-scoring F04D patents made public in the last 2 years
- 199US12292017B1✦ AIGas turbine engine with acoustic spacing of the fan blades and outlet guide vanes17 cites · 202578% earned
- 296US12158082B2✦ AITurbine engine with composite airfoils14 cites · 202489% earned
- 392US12053711B1✦ AIDevices and kits for propelling string and methods of use thereof9 cites · 202477% earned
- 488US12203476B2In-line pumping apparatus, system and method for increasing liquid flow in gravity network9 cites · 202487% earned
- 583US12012898B2Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes17 cites · 202489% earned
- 679US11892002B1Fan with a translucent blade support12 cites · 202479% earned
- 775US12038010B1Folding rotatable handheld fan8 cites · 202486% earned
- 871US12117007B1Device to assist the performance of a heart7 cites · 202459% earned
- 967US12326154B2Turbine engine with composite airfoils7 cites · 202475% earned
- 1063US12281656B1Neck fan6 cites · 202585% earned
- 1158US12467480B1Multifunctional outdoor fan3 cites · 202580% earned
- 1254US12326252B1Camping fan telescopic lamp3 cites · 202580% earned
- 1350US11873823B1Fan component of fan lamp and fan lamp assembly8 cites · 202486% earned
- 1446US11953017B1Hand-held fan8 cites · 202486% earned
- 1542US12098731B1Bidirectional air pump5 cites · 202484% earned
- 1638US12104743B1Fan with double easy-installing buckles5 cites · 202484% earned
- 1733US12044243B1Air pump5 cites · 202484% earned
- 1829US12270406B1Multifunctional handheld fan5 cites · 202584% earned
- 1925US12104616B1Handheld fan5 cites · 202484% earned
- 2021US12270417B1Bracket assembly and fan with bracket assembly4 cites · 202582% earned
- 2117US12385503B1Axial fan and axial fan assembly2 cites · 202576% earned
- 2213US12421971B1Wearable cooling fan assembly with illuminate device2 cites · 202576% earned
- 238US12366255B1Neck hanging fan2 cites · 202576% earned
- 244US12421984B1Mounting structure for a fan lamp2 cites · 202576% earned
- 251US12006807B2Power distribution trailer for an electric driven hydraulic fracking system5 cites · 202463% earned
Active· last 5 yrs
The top-scoring F04D patents of the last 5 years
- 199US10974724B1✦ AIOperational modes for hybrid fire fighting vehicle90 cites · 202176% earned
- 296US11280345B2✦ AIPump housing with an interior for accommodating a pump rotor66 cites · 202181% earned
- 392US11278711B2✦ AIFluid pump changeable in diameter, in particular for medical application59 cites · 202177% earned
- 488US11364373B2Blood pump housing component59 cites · 202181% earned
- 583US11517736B2Blood pumps39 cites · 202277% earned
- 679US12292017B1Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes17 cites · 202578% earned
- 775US11565221B2Methods and systems for operating a pump at an efficiency point34 cites · 202284% earned
- 871US10987440B1Ultraviolet pathogen disinfection system51 cites · 202185% earned
- 967US11725526B1Turbofan engine having nacelle with non-annular inlet33 cites · 202391% earned
- 1063US11193504B1Centrifugal pump having a housing and a volute casing wherein the volute casing has a tear48 cites · 202185% earned
- 1158US11804767B2Magnetic coupling element with a magnetic bearing function29 cites · 202286% earned
- 1254US11260213B2Impeller for catheter pump42 cites · 202181% earned
- 1350US11351356B2Device to assist the performance of a heart34 cites · 202271% earned
- 1446US11708833B2Heart assist device with expandable impeller pump40 cites · 202177% earned
- 1542USD964530SMisting fan33 cites · 202291% earned
- 1638US11266824B2Conveying blades for a compressible rotor38 cites · 202176% earned
- 1733USD966342SElectric pump36 cites · 202291% earned
- 1829US11844592B2Impeller and frame for blood pump34 cites · 202172% earned
- 1925US11703060B1Neck-hanging fan17 cites · 202389% earned
- 2021US12023476B2Duckbill valve for use with percutaneous medical devices28 cites · 202168% earned
- 2117US11357967B2Impeller for catheter pump33 cites · 202180% earned
- 2213US11566628B1Handheld fan22 cites · 202390% earned
- 238US11291826B2Axially-elongatable frame and impeller32 cites · 202176% earned
- 244US11639722B2Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist de32 cites · 202183% earned
- 251US11739689B2Ice reduction mechanism for turbofan engine26 cites · 202380% earned
All-time canon
The defining F04D patents of the whole record
- 199US7712182B2✦ AIAir flow-producing device, such as a vacuum cleaner or a blower1,169 cites · 200595% earned
- 296US4826405A✦ AIFan blade fabrication system909 cites · 198995% earned
- 392US9313915B2✦ AIElectronic device804 cites · 201495% earned
- 488US5685844AMedicinal fluid pump having multiple stored protocols774 cites · 199795% earned
- 583US6241704B1Drug pump systems and methods762 cites · 200189% earned
- 679US5846396ALiquid distribution system575 cites · 199895% earned
- 775US5211546AAxial flow blood pump with hydrodynamically suspended rotor571 cites · 199395% earned
- 871US6533716B1Self-deploying axial-flow pump introduced intravascularly for temporary cardiac support566 cites · 200395% earned
- 967US5873942AApparatus and method for low pressure chemical vapor deposition using multiple chambers an563 cites · 199992% earned
- 1063US4846152ASingle-stage axial flow blood pump560 cites · 198995% earned
- 1158US4927407ACardiac assist pump with steady rate supply of fluid lubricant533 cites · 199095% earned
- 1254US6234772B1Rotary blood pump528 cites · 200195% earned
- 1350US6162194ASurgical irrigation apparatus and methods for use511 cites · 200095% earned
- 1446US6349724B1Dual-pressure blower for positive air pressure device510 cites · 200295% earned
- 1542US6176848B1Intravascular blood pump507 cites · 200195% earned
- 1638US4817586APercutaneous bloom pump with mixed-flow output498 cites · 198995% earned
- 1733US5911685AMethod and apparatus for cardiac blood flow assistance497 cites · 199992% earned
- 1829US6071093ABearingless blood pump and electronic drive system491 cites · 200095% earned
- 1925US6475180B2Drug pump systems and methods488 cites · 200188% earned
- 2021US7866944B2Compact low noise efficient blower for CPAP devices484 cites · 200985% earned
- 2117US4944722APercutaneous axial flow blood pump483 cites · 199095% earned
- 2213US7393181B2Expandable impeller pump481 cites · 200684% earned
- 238US7841976B2Heart assist device with expandable impeller pump479 cites · 200885% earned
- 244US6330525B1Method and apparatus for diagnosing a pump system472 cites · 200192% earned
- 251US6260004B1Method and apparatus for diagnosing a pump system463 cites · 200192% earned
Rising· last 2 yrs
Assignees whose newest F04D patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC1,210 patents · 22,360 citations
- 296ROLLS ROYCE PLC446 patents · 6,149 citations
- 392AIS GMBH AACHEN INNOVATIVE SOLUTIONS9 patents · 440 citations
- 488HITACHI LTD216 patents · 6,268 citations
- 583ABIOMED INC10 patents · 796 citations
- 679HUNTER FAN CO156 patents · 2,560 citations
- 775EBARA CORP194 patents · 4,451 citations
- 871ECP ENTW MBH71 patents · 1,687 citations
- 967BOEING CO59 patents · 1,087 citations
- 1063TC1 LLC40 patents · 954 citations
- 1158MOLTEN METAL EQUIPMENT INNOVATIONS LLC38 patents · 635 citations
- 1254CARRIER CORP202 patents · 3,645 citations
- 1350BOSCH GMBH ROBERT189 patents · 2,492 citations
- 1446MIRACOR MEDICAL SA14 patents · 199 citations
- 1542NIDEC CORP200 patents · 1,361 citations
- 1638TOSHIBA KK43 patents · 1,159 citations
- 1733HONEYWELL INT INC255 patents · 3,212 citations
- 1829SCHLUMBERGER TECHNOLOGY CORP90 patents · 958 citations
- 1925INTEL CORP43 patents · 895 citations
- 2021PRATT & WHITNEY CANADA306 patents · 2,354 citations
- 2117SANYO ELECTRIC CO70 patents · 1,060 citations
- 2213MITSUBISHI HEAVY IND LTD178 patents · 1,589 citations
- 238DELTA ELECTRONICS INC303 patents · 2,887 citations
- 244RESMED MOTOR TECHNOLOGIES INC32 patents · 615 citations
- 251SAMSUNG ELECTRONICS CO LTD120 patents · 1,315 citations
Active· last 5 yrs
Sustained F04D output across the last 5 years
- 199NAT SERVICE ALLIANCE—HOUSTON LLC31 patents · 1,158 citations
- 296TUCSON EMBEDDED SYSTEMS INC10 patents · 1,459 citations
- 392HEARTWARE INC24 patents · 1,269 citations
- 488GEN ELECTRIC1,210 patents · 22,360 citations
- 583UNITED TECHNOLOGIES CORP1,086 patents · 14,765 citations
- 679PENN STATE RES FOUND10 patents · 1,046 citations
- 775NTN TOYO BEARING CO LTD27 patents · 1,804 citations
- 871ROLLS ROYCE PLC446 patents · 6,149 citations
- 967PENTAIR WATER POOL & SPA INC30 patents · 692 citations
- 1063HEWLETT PACKARD DEVELOPMENT CO48 patents · 1,506 citations
- 1158AIS GMBH AACHEN INNOVATIVE SOLUTIONS9 patents · 440 citations
- 1254MAGENTA MEDICAL LTD32 patents · 636 citations
- 1350HITACHI LTD216 patents · 6,268 citations
- 1446IBM96 patents · 2,067 citations
- 1542ABIOMED INC10 patents · 796 citations
- 1638HUNTER FAN CO156 patents · 2,560 citations
- 1733EBARA CORP194 patents · 4,451 citations
- 1829ECP ENTW MBH71 patents · 1,687 citations
- 1925BOEING CO59 patents · 1,087 citations
- 2021TC1 LLC40 patents · 954 citations
- 2117MOLTEN METAL EQUIPMENT INNOVATIONS LLC38 patents · 635 citations
- 2213EMERSON ELECTRIC CO52 patents · 1,577 citations
- 238ROCKWELL AUTOMATION TECH INC12 patents · 773 citations
- 244CARRIER CORP202 patents · 3,645 citations
- 251BOSCH GMBH ROBERT189 patents · 2,492 citations
All-time canon
All-time PatentIndex Score in F04D
- 199THORATEC CORP29 patents · 2,071 citations
- 296SELECT COMFORT CORP5 patents · 1,426 citations
- 392BIRD PRODUCTS CORP5 patents · 976 citations
- 488NAT SERVICE ALLIANCE—HOUSTON LLC31 patents · 1,158 citations
- 583NIMBUS INC8 patents · 2,467 citations
- 679TUCSON EMBEDDED SYSTEMS INC10 patents · 1,459 citations
- 775HEARTWARE INC24 patents · 1,269 citations
- 871KRITON MEDICAL INC7 patents · 1,808 citations
- 967VENTRASSIST PTY LTD5 patents · 903 citations
- 1063CLEVELAND CLINIC FOUNDATION8 patents · 1,516 citations
- 1158GEN ELECTRIC1,210 patents · 22,360 citations
- 1254UNITED TECHNOLOGIES CORP1,086 patents · 14,765 citations
- 1350PENN STATE RES FOUND10 patents · 1,046 citations
- 1446RESMED LTD27 patents · 1,140 citations
- 1542STA RITE IND LLC12 patents · 639 citations
- 1638KYOCERA CORP6 patents · 1,111 citations
- 1733COOPER PAUL V26 patents · 2,198 citations
- 1829VASCOR INC7 patents · 927 citations
- 1925NTN TOYO BEARING CO LTD27 patents · 1,804 citations
- 2021ROLLS ROYCE PLC446 patents · 6,149 citations
- 2117SULZER ELECTRONICS AG5 patents · 1,017 citations
- 2213PENTAIR WATER POOL & SPA INC30 patents · 692 citations
- 238METAULLICS SYSTEMS CO LP15 patents · 2,020 citations
- 244HEWLETT PACKARD DEVELOPMENT CO48 patents · 1,506 citations
- 251LAROSE JEFFREY A6 patents · 558 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth