Topic leaderboard
Apparatus using free vortex flow
Ranked by the PatentIndex Score — a 1–99 percentile within B04C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B04C patents became public in the last 2 years — the current frontier
- 199Wayne Ernest Conrad149 patents · 6,485 citations
- 296Dave Petersen23 patents · 1,931 citations
- 392Whitaker Ben Irvin, Sr.14 patents · 155 citations
- 488Daniel Innes11 patents · 39 citations
- 583Jared Peter Buhler7 patents · 49 citations
- 679Jonathan Russell Ratzlaff9 patents · 53 citations
- 775Corey Bourassa6 patents · 41 citations
- 871Robert Francis Manning6 patents · 37 citations
- 967Victor Hugo Silva Correia6 patents · 37 citations
- 1063Robert Carl Murray6 patents · 34 citations
- 1158Byron Andrew Pritchard, Jr.5 patents · 29 citations
- 1254Adam Udy4 patents · 7 citations
- 1350Curtis Walton Stover5 patents · 17 citations
- 1446Gregory Michael Laskowski5 patents · 17 citations
- 1542Robert Proctor5 patents · 17 citations
- 1638Timothy Deryck Stone5 patents · 17 citations
- 1733Brian J. Waibel5 patents · 13 citations
- 1829Kenneth Joseph James6 patents · 13 citations
- 1925Kenneth Richard Krewson6 patents · 13 citations
- 2021Philip Metzger4 patents · 9 citations
- 2117Darwin Argumedo3 patents · 11 citations
- 2213Douglas Hendry3 patents · 11 citations
- 238Ian Haggerty3 patents · 11 citations
- 244Joseph Casciano3 patents · 11 citations
- 251Joshua James3 patents · 11 citations
Active· last 5 yrs
Sustained B04C output across the last 5 years
- 199Wayne Ernest Conrad149 patents · 6,485 citations
- 296Dave Petersen23 patents · 1,931 citations
- 392Sergey V. Makarov14 patents · 325 citations
- 488Robert M. Witter10 patents · 351 citations
- 583Whitaker Ben Irvin, Sr.14 patents · 155 citations
- 679Marco Betting15 patents · 233 citations
- 775Graham M. Hayes8 patents · 78 citations
- 871Scott Teuscher7 patents · 74 citations
- 967Daniel Innes11 patents · 39 citations
- 1063Adam James Bates7 patents · 103 citations
- 1158Brian S. Carr7 patents · 49 citations
- 1254Brian W. Hedrick6 patents · 125 citations
- 1350Jared Peter Buhler7 patents · 49 citations
- 1446Jonathan Russell Ratzlaff9 patents · 53 citations
- 1542Corey Bourassa6 patents · 41 citations
- 1638John Bohlen5 patents · 39 citations
- 1733Joseph Saunders5 patents · 39 citations
- 1829Kirti Kant Paulla5 patents · 39 citations
- 1925Richard Friend5 patents · 39 citations
- 2021Paul L. Culler7 patents · 33 citations
- 2117Robert Francis Manning6 patents · 37 citations
- 2213Victor Hugo Silva Correia6 patents · 37 citations
- 238Robert Carl Murray6 patents · 34 citations
- 244Jan Backman8 patents · 38 citations
- 251Andy Strobel7 patents · 14 citations
All-time canon
Career PatentIndex Score in B04C
- 199Wayne Ernest Conrad149 patents · 6,485 citations
- 296Michael F. Wright24 patents · 1,639 citations
- 392Helmut Gerhard Conrad23 patents · 2,342 citations
- 488Dave Petersen23 patents · 1,931 citations
- 583Brett Latimer10 patents · 1,035 citations
- 679Charles J. Thur10 patents · 1,035 citations
- 775Paul D. Stephens10 patents · 1,035 citations
- 871Mark E. Cipolla10 patents · 875 citations
- 967James Dyson24 patents · 1,905 citations
- 1063Craig Barbeck7 patents · 687 citations
- 1158Ted Szylowiec14 patents · 1,121 citations
- 1254Jang-Keun Oh68 patents · 3,537 citations
- 1350Kenneth W. Bair14 patents · 604 citations
- 1446Mark Reindle14 patents · 604 citations
- 1542Richard C. Gibbs14 patents · 604 citations
- 1638Jan D. Miller5 patents · 680 citations
- 1733Christopher K. Shaw5 patents · 512 citations
- 1829Jung-Gyun Han31 patents · 1,072 citations
- 1925Ricardo Gomiciaga-Pereda13 patents · 494 citations
- 2021Ernst-August Bielefeldt11 patents · 386 citations
- 2117Sergey V. Makarov14 patents · 325 citations
- 2213Claude C. Laval, Jr.8 patents · 338 citations
- 238Robert M. Witter10 patents · 351 citations
- 244Min-Ha Kim15 patents · 520 citations
- 251Martin T. Thew13 patents · 374 citations
Rising· last 2 yrs
The top-scoring B04C patents made public in the last 2 years
- 199US11992848B2✦ AISurface cleaning apparatus3 cites · 202463% earned
- 296US12313180B2✦ AIGas flow valve and methods of operating thereof2 cites · 202567% earned
- 392US12371358B2✦ AISalt separation and destruction of PFAS utilizing reverse osmosis and salt separation1 cites · 202446% earned
- 488US12305514B2System for extracting water from lunar regolith and associated method1 cites · 202450% earned
- 583US12256877B2Surface cleaning apparatus0 cites · 20240% earned
- 679US12558697B2Air treatment apparatus0 cites · 20250% earned
- 775US12251716B2Surface cleaning apparatus0 cites · 20240% earned
- 871US12350689B2Surface cleaning apparatus0 cites · 20240% earned
- 967US12312253B2Desalination and/or gas production system and method0 cites · 20240% earned
- 1063US12295538B2Cyclonic air treatment member and surface cleaning apparatus including the same0 cites · 20240% earned
- 1158US12251074B2Surface cleaning apparatus with an external dirt chamber0 cites · 20240% earned
- 1254US12342978B2Surface cleaning apparatus0 cites · 20240% earned
- 1350US12357933B2Inducer assembly for a turbine engine0 cites · 20250% earned
- 1446US12145160B2Modular cyclone0 cites · 20240% earned
- 1542US12330173B1Method and apparatus for modular hydrocyclone0 cites · 20250% earned
- 1638USD1049527SMonolithic dust separator0 cites · 20240% earned
- 1733US12460842B2High-pressure fluid chromatography system using interior-to-exterior column pressure equal0 cites · 20240% earned
- 1829USD1048618SDust separator0 cites · 20240% earned
- 1925US12330174B2Vortical cross-flow filtration system0 cites · 20250% earned
- 2021US12466737B2System and method for performing separation and dehydroxylation of fumed silica soot parti0 cites · 20240% earned
- 2117US12514418B2Hand vacuum cleaner0 cites · 20240% earned
- 2213US12502045B2Surface cleaning apparatus0 cites · 20240% earned
- 238US12497920B2Gas turbine aerodynamic component cyclonic particle separator with multiple particle traps0 cites · 20250% earned
- 244US12258903B1Vortex tube particle separators with coatings for rebound control0 cites · 20250% earned
- 251US12582275B2Cleaner0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B04C patents of the last 5 years
- 199US11285495B2✦ AIMultistage cyclone and surface cleaning apparatus having same28 cites · 202276% earned
- 296US11407666B2✦ AISalt separation and destruction of PFAS utilizing reverse osmosis and salt separation10 cites · 202275% earned
- 392US11358156B1✦ AIDual connection cyclonic overhead separator9 cites · 202287% earned
- 488US11344898B2Disk-pack turbine for water treatment systems8 cites · 202173% earned
- 583US12075966B2Household appliance having an improved cyclone and a cyclone for same6 cites · 202378% earned
- 679US11719100B2System for extracting water from lunar regolith and associated method6 cites · 202178% earned
- 775US11992848B2Surface cleaning apparatus3 cites · 202463% earned
- 871US11690489B2Surface cleaning apparatus with an external dirt chamber5 cites · 202272% earned
- 967US11124430B2Evaporation apparatus for treating waste water6 cites · 202174% earned
- 1063US11568739B2Vapor displacement refueling including onboard internally recirculating chemical looping c4 cites · 202267% earned
- 1158US11598222B2Turbine engine hanger4 cites · 202175% earned
- 1254US12025082B2Air pre-cleaner spin tube4 cites · 202382% earned
- 1350US11717128B2Surface cleaning apparatus3 cites · 202348% earned
- 1446US11918943B2Inducer assembly for a turbine engine3 cites · 202367% earned
- 1542US11826764B2Adapter frame, assembly, and suction unit3 cites · 202272% earned
- 1638US11786918B2Surface cleaning apparatus, cyclonic air treatment member and surface cleaning apparatus i2 cites · 202351% earned
- 1733US12313180B2Gas flow valve and methods of operating thereof2 cites · 202567% earned
- 1829US11746312B1Stillage clarification4 cites · 202382% earned
- 1925US11015156B1Protein concentration methods4 cites · 202182% earned
- 2021US11780743B2Disk-pack turbine3 cites · 202257% earned
- 2117US11541340B2Inducer assembly for a turbine engine3 cites · 202172% earned
- 2213US12035872B2Handheld vacuum cleaner2 cites · 202255% earned
- 238US12065854B2Pool cleaner with cyclonic flow2 cites · 202258% earned
- 244US11060047B2Apparatus and method for extracting essential oils3 cites · 202163% earned
- 251US11980334B2Surface cleaning apparatus2 cites · 202261% earned
All-time canon
The defining B04C patents of the whole record
- 199US5575979A✦ AIProcess and apparatus for separating diluents from solid polymers utilizing a two-stage fl748 cites · 199692% earned
- 296US6406505B1✦ AIVacuum cleaner having a cyclone type dust collecting apparatus443 cites · 200295% earned
- 392US5078761A✦ AIShroud423 cites · 199295% earned
- 488US6782585B1Upright vacuum cleaner with cyclonic air flow341 cites · 200488% earned
- 583US6251296B1Apparatus and method for separating particles from a cyclonic fluid flow291 cites · 200194% earned
- 679US6746500B1Cyclone dust collector278 cites · 200494% earned
- 775US6228260B1Apparatus for separating particles from a cyclonic fluid flow265 cites · 200194% earned
- 871US6221134B1Apparatus and method for separating particles from a cyclonic fluid flow261 cites · 200194% earned
- 967US6440197B1Apparatus and method separating particles from a cyclonic fluid flow including an aperture258 cites · 200287% earned
- 1063US7922794B2Cyclonic vacuum cleaner ribbed cyclone shroud253 cites · 201094% earned
- 1158US8156609B2Handheld cleaning appliance244 cites · 200989% earned
- 1254US6231645B1Apparatus and method for separating particles from a cyclonic fluid flow utilizing a movab244 cites · 200194% earned
- 1350US4187088ADown flow centrifugal separator237 cites · 198094% earned
- 1446US3988132ADevice for separating impurities from gases237 cites · 197694% earned
- 1542US6531066B1Cyclone separator234 cites · 200394% earned
- 1638US4537608ASystem for removing contaminant particles from a gas233 cites · 198594% earned
- 1733US4279743AAir-sparged hydrocyclone and method225 cites · 198194% earned
- 1829US6070291AUpright vacuum cleaner with cyclonic air flow220 cites · 200083% earned
- 1925US6334234B1Cleaner head for a vacuum cleaner220 cites · 200285% earned
- 2021US6874197B1Apparatus and method for separating particles from a cyclonic fluid flow216 cites · 200587% earned
- 2117US8100999B2Separating apparatus for a cleaning appliance206 cites · 201094% earned
- 2213US5858038ADust separation apparatus201 cites · 199994% earned
- 238US7887612B2Vacuum cleaner with a plurality of cyclonic cleaning stages198 cites · 200782% earned
- 244US6623539B2Cyclone dust collecting apparatus for a vacuum cleaner195 cites · 200394% earned
- 251US7867308B2Cyclonic array such as for a vacuum cleaner191 cites · 200894% earned
Rising· last 2 yrs
Assignees whose newest B04C patents became public in the last 2 years — the current frontier
- 199LG ELECTRONICS INC44 patents · 1,141 citations
- 296GEN ELECTRIC24 patents · 453 citations
- 392OMACHRON INTELLECTUAL PROPERTY INC100 patents · 574 citations
- 488PALL CORP8 patents · 336 citations
- 583QWTIP LLC13 patents · 129 citations
- 679SUPERCRITICAL FLUID TECH INC6 patents · 13 citations
- 775UNIV CENTRAL FLORIDA RES FOUND INC4 patents · 9 citations
- 871TETRA TECH3 patents · 3 citations
- 967MULLET TOOLS LLC3 patents · 3 citations
- 1063KB FOUNDRY SERVICES LLC3 patents · 3 citations
- 1158CATERPILLAR INC4 patents · 4 citations
- 1254MITSUBISHI ELECTRIC CORP3 patents · 4 citations
- 1350REVIVE ENVIRONMENTAL TECH LLC2 patents · 1 citations
- 1446ENERCORP ENG SOLUTIONS INC4 patents · 0 citations
- 1542PROTIX BV2 patents · 2 citations
- 1638APPLIED MATERIALS INC1 patents · 2 citations
- 1733FASTER BETTER EASIER LLC2 patents · 0 citations
- 1829SEIKO EPSON CORP2 patents · 0 citations
- 1925THE UNIV OF TULSA2 patents · 0 citations
- 2021CLEANR INC1 patents · 0 citations
- 2117STERLITE TECH LTD1 patents · 0 citations
- 2213Amalgam Corp1 patents · 0 citations
- 238B&D FLOWBACK LLC1 patents · 0 citations
- 244CHINA UNIV OF PETROLEUM (BEIJING)1 patents · 0 citations
- 251GE INFRASTRUCTURE TECHNOLOGY LLC1 patents · 0 citations
Active· last 5 yrs
Sustained B04C output across the last 5 years
- 199LG ELECTRONICS INC44 patents · 1,141 citations
- 296DYSON TECHNOLOGY LTD43 patents · 814 citations
- 392GEN ELECTRIC24 patents · 453 citations
- 488OMACHRON INTELLECTUAL PROPERTY INC100 patents · 574 citations
- 583UOP LLC16 patents · 226 citations
- 679PALL CORP8 patents · 336 citations
- 775QWTIP LLC13 patents · 129 citations
- 871DONALDSON CO INC6 patents · 356 citations
- 967MANN & HUMMEL GMBH20 patents · 173 citations
- 1063SAMSUNG ELECTRONICS CO LTD17 patents · 109 citations
- 1158HAYWARD IND INC8 patents · 78 citations
- 1254MI LLC5 patents · 24 citations
- 1350TECHTRONIC IND CO LTD6 patents · 42 citations
- 1446VERMEER MFG CO8 patents · 16 citations
- 1542ELECTROLUX AB4 patents · 180 citations
- 1638BE AEROSPACE INC5 patents · 59 citations
- 1733ONEIDA AIR SYSTEMS INC3 patents · 117 citations
- 1829JIANGSU MIDEA CLEANING APPLIANCES CO LTD10 patents · 15 citations
- 1925SAN FORD MACHINERY CO LTD4 patents · 67 citations
- 2021SUPERCRITICAL FLUID TECH INC6 patents · 13 citations
- 2117MAHLE INT GMBH3 patents · 28 citations
- 2213UNIV CENTRAL FLORIDA RES FOUND INC4 patents · 9 citations
- 238UNIV KENTUCKY RES FOUND2 patents · 39 citations
- 244KONINKLIJKE PHILIPS NV7 patents · 8 citations
- 251SAUDI ARABIAN OIL CO6 patents · 5 citations
All-time canon
All-time PatentIndex Score in B04C
- 199GBD CORP34 patents · 4,043 citations
- 296ROYAL APPLIANCE MFG26 patents · 1,795 citations
- 392FANTOM TECH INC10 patents · 1,341 citations
- 488SAMSUNG KWANGJU ELECTRONICS CO77 patents · 4,094 citations
- 583NOTETRY LTD13 patents · 1,364 citations
- 679LG ELECTRONICS INC44 patents · 1,141 citations
- 775UNIV UTAH5 patents · 641 citations
- 871BISSELL HOMECARE INC16 patents · 626 citations
- 967DYSON LTD5 patents · 453 citations
- 1063CONRAD WAYNE ERNEST5 patents · 343 citations
- 1158DYSON TECHNOLOGY LTD43 patents · 814 citations
- 1254SHELL OIL CO41 patents · 1,007 citations
- 1350GEN ELECTRIC24 patents · 453 citations
- 1446LAVAL CLAUDE C8 patents · 338 citations
- 1542OMACHRON INTELLECTUAL PROPERTY INC100 patents · 574 citations
- 1638EXXON RESEARCH ENGINEERING CO11 patents · 343 citations
- 1733CONOCO SPECIALTY PROD22 patents · 559 citations
- 1829CARROLL NOEL16 patents · 400 citations
- 1925AMOCO CORP12 patents · 347 citations
- 2021FOSTER WHEELER ENERGY CORP20 patents · 442 citations
- 2117UOP LLC16 patents · 226 citations
- 2213PALL CORP8 patents · 336 citations
- 238QWTIP LLC13 patents · 129 citations
- 244INDIAN WELLS MEDICAL INC5 patents · 136 citations
- 251DONALDSON CO INC6 patents · 356 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth