Topic leaderboard
Valves, taps, cocks & actuating-floats
Ranked by the PatentIndex Score — a 1–99 percentile within F16K · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F16K patents became public in the last 2 years — the current frontier
- 199Kalyan Handique57 patents · 3,801 citations
- 296Jeff Williams34 patents · 2,004 citations
- 392Sundaresh N. Brahmasandra22 patents · 1,202 citations
- 488Gene Parunak19 patents · 1,193 citations
- 583Kerry Wilson19 patents · 1,235 citations
- 679Karthik Ganesan16 patents · 769 citations
- 775Betty Wu16 patents · 905 citations
- 871Nikhil Phadke15 patents · 690 citations
- 967Michio Yamaji76 patents · 2,382 citations
- 1063Nobukazu Ikeda66 patents · 1,930 citations
- 1158Kim Ngoc Vu33 patents · 885 citations
- 1254Ayub Khattak28 patents · 670 citations
- 1350Clinton Sever27 patents · 636 citations
- 1446Kelcy Jake Foster57 patents · 603 citations
- 1542Mark S. Nowell35 patents · 453 citations
- 1638Christopher Todd Barnett49 patents · 436 citations
- 1733Paul Nelson15 patents · 313 citations
- 1829Alagarsamy Sundararajan23 patents · 436 citations
- 1925Takashi Hirose22 patents · 507 citations
- 2021Micheal Cole Thomas45 patents · 284 citations
- 2117Brian C. Witkowski17 patents · 434 citations
- 2213John Keith36 patents · 212 citations
- 238Nicholas Son36 patents · 212 citations
- 244Michael Eugene May19 patents · 303 citations
- 251Nadiya Fuller10 patents · 185 citations
Active· last 5 yrs
Sustained F16K output across the last 5 years
- 199Marc A. Unger51 patents · 6,335 citations
- 296Dennis M. Treu19 patents · 2,789 citations
- 392Dean Kamen52 patents · 9,888 citations
- 488Kevin L. Grant23 patents · 2,303 citations
- 583Jason A. Demers18 patents · 1,966 citations
- 679Richard J. Lanigan14 patents · 1,834 citations
- 775Kalyan Handique57 patents · 3,801 citations
- 871Jeff Williams34 patents · 2,004 citations
- 967Sundaresh N. Brahmasandra22 patents · 1,202 citations
- 1063Bob D. Peret17 patents · 1,267 citations
- 1158Colin H. Murphy17 patents · 1,267 citations
- 1254Derek G. Kane17 patents · 1,267 citations
- 1350John M. Kerwin17 patents · 1,267 citations
- 1446Gene Parunak19 patents · 1,193 citations
- 1542Kerry Wilson19 patents · 1,235 citations
- 1638James D. Dale13 patents · 847 citations
- 1733Karthik Ganesan16 patents · 769 citations
- 1829Brian D. Tracey8 patents · 560 citations
- 1925Michael J. Wilt8 patents · 560 citations
- 2021Betty Wu16 patents · 905 citations
- 2117Robert P. Benjey23 patents · 1,185 citations
- 2213Nikhil Phadke15 patents · 690 citations
- 238Michio Yamaji76 patents · 2,382 citations
- 244Nobukazu Ikeda66 patents · 1,930 citations
- 251Aaron Kehrer7 patents · 520 citations
All-time canon
Career PatentIndex Score in F16K
- 199Marc A. Unger51 patents · 6,335 citations
- 296Stephen R. Quake55 patents · 5,829 citations
- 392Thomas M. Feldsein10 patents · 2,250 citations
- 488Dennis M. Treu19 patents · 2,789 citations
- 583Rodney S. Kenley14 patents · 2,342 citations
- 679Frederick H. Peter, Jr.9 patents · 1,939 citations
- 775Dean Kamen52 patents · 9,888 citations
- 871Hou-Pu Chou39 patents · 3,866 citations
- 967Todd A. Thorsen31 patents · 3,489 citations
- 1063Axel Scherer35 patents · 3,327 citations
- 1158William T. Larkins15 patents · 3,340 citations
- 1254Kevin L. Grant23 patents · 2,303 citations
- 1350Jason A. Demers18 patents · 1,966 citations
- 1446Kenneth E. Pawlak8 patents · 1,543 citations
- 1542Dawn Matthews7 patents · 1,078 citations
- 1638Richard J. Lanigan14 patents · 1,834 citations
- 1733Robert Manning9 patents · 1,799 citations
- 1829Marc A. Mandro8 patents · 1,399 citations
- 1925Charles M. Grinnell7 patents · 1,364 citations
- 2021Dennis Gilbreath7 patents · 1,364 citations
- 2117Douglas Sutton7 patents · 1,498 citations
- 2213Hanson S. Gifford, Iii7 patents · 1,498 citations
- 238Mark Deem7 patents · 1,498 citations
- 244Ronald French7 patents · 1,498 citations
- 251Stephen Kieffer-Higgins7 patents · 1,740 citations
Rising· last 2 yrs
The top-scoring F16K patents made public in the last 2 years
- 199US11920684B1✦ AIMechanically or hybrid mounted valve seat23 cites · 202490% earned
- 296US12140240B1✦ AIGradient material structures and methods of forming the same15 cites · 202480% earned
- 392US12292121B2✦ AIValve member including cavity, and related assemblies, systems, and methods8 cites · 202580% earned
- 488US12338708B2Choke system with capacity for passage of large debris7 cites · 202475% earned
- 583US12297922B1Valve seat with embedded structure and related methods10 cites · 202587% earned
- 679US11879565B1Method and apparatus for valve core installation/removal9 cites · 202481% earned
- 775US11960315B1Automatically locking, releasable, safety knob assembly systems8 cites · 202473% earned
- 871US12000504B1Multifunctional electro-hydraulic flow control valve and flow control method8 cites · 202486% earned
- 967US12287041B1Slab gate valves and methods of retrofitting5 cites · 202577% earned
- 1063US11982234B1Heat exchanger with bypass valve and thermal fuse7 cites · 202486% earned
- 1158US12110979B1Pressure energized gate valve seat and seal assembly7 cites · 202486% earned
- 1254US12054926B1Faucet with split-type double-handle7 cites · 202486% earned
- 1350US12292120B1System and method for valve assembly8 cites · 202580% earned
- 1446USD1034920SPlumbing fixture accessory plate6 cites · 202471% earned
- 1542US12078257B2Valve-actuated suction apparatus6 cites · 202485% earned
- 1638US12038101B1Water valve utilizing push-pull handle to control water flow therethrough3 cites · 202480% earned
- 1733US12180807B1High flow, insert safety valve, well pressure insensitive4 cites · 202482% earned
- 1829US12345340B2Multi-way valve4 cites · 202482% earned
- 1925US11867043B1Remotely-controlled pressure bleed-off system7 cites · 202479% earned
- 2021US12251702B2Flowcell cartridge with floating seal bracket2 cites · 202450% earned
- 2117US12338815B1Fluid end1 cites · 202544% earned
- 2213US11994232B1Electro-magnetic throttle valve with integrated blowdown conduit3 cites · 202467% earned
- 238US11913381B1Force modification of passive spool for control of secondary nozzle circuits4 cites · 202475% earned
- 244US12228216B2Float-operated valve system3 cites · 202472% earned
- 251US12523116B2Safety valve including first, second and third connected portions2 cites · 202567% earned
Active· last 5 yrs
The top-scoring F16K patents of the last 5 years
- 199US11519405B2✦ AIValve spring seat sleeve, valve assembly and plunger pump77 cites · 202293% earned
- 296US11555390B2✦ AIHigh and low pressure manifold liquid supply system for fracturing units67 cites · 202288% earned
- 392US11162479B2✦ AIFluid end50 cites · 202174% earned
- 488US11434900B1Spring controlling valve33 cites · 202284% earned
- 583US11306835B1Flapper valves with hydrofoil and valve systems56 cites · 202292% earned
- 679US11041570B1Valve assembly for hydraulic fracturing pump37 cites · 202191% earned
- 775US11242849B1Dual use valve member for a valve assembly35 cites · 202291% earned
- 871US11920684B1Mechanically or hybrid mounted valve seat23 cites · 202490% earned
- 967US11384756B1Composite valve seat system and method34 cites · 202291% earned
- 1063US11052181B2Cassette system integrated apparatus32 cites · 202175% earned
- 1158US11459944B2Ultra-high temperature thermal energy storage system36 cites · 202191% earned
- 1254US11898642B2Medical cleaning valve15 cites · 202376% earned
- 1350US12140240B1Gradient material structures and methods of forming the same15 cites · 202480% earned
- 1446US11566713B2Valve seat assembly having mating surfaces with a reverse taper angle24 cites · 202290% earned
- 1542US11131397B2Electric ball valve and manufacturing method therefor33 cites · 202191% earned
- 1638US11353117B1Valve seat insert system and method27 cites · 202291% earned
- 1733US11105705B1Non-invasive, independently powered leak detector and valve shut-off apparatus34 cites · 202191% earned
- 1829US11339887B2Flow meter and related method25 cites · 202172% earned
- 1925USD989230SAerator body16 cites · 202380% earned
- 2021US12292121B2Valve member including cavity, and related assemblies, systems, and methods8 cites · 202580% earned
- 2117US11448327B2Valve for single-use applications19 cites · 202181% earned
- 2213US11859601B2Fluid routing plug11 cites · 202376% earned
- 238US11891988B2Hydraulic fluid pump and retainer assembly for same18 cites · 202181% earned
- 244US12338708B2Choke system with capacity for passage of large debris7 cites · 202475% earned
- 251US11614192B2Fluid couplings17 cites · 202278% earned
All-time canon
The defining F16K patents of the whole record
- 199US4184510A✦ AIValued device for controlling vacuum in surgery1,636 cites · 198096% earned
- 296US4222126A✦ AIUnitized three leaflet heart valve1,332 cites · 198095% earned
- 392US6670806B2✦ AIMagnetic position sensor for measuring linear displacement1,209 cites · 200295% earned
- 488US7255012B2Process fluid flow device with variable orifice1,079 cites · 200695% earned
- 583US4265694AMethod of making unitized three leaflet heart valve1,076 cites · 198195% earned
- 679US4339831ADynamic annulus heart valve and reconstruction ring1,075 cites · 198295% earned
- 775US5417691AApparatus and method for manipulating and anchoring tissue927 cites · 199595% earned
- 871US6408878B2Microfabricated elastomeric valve and pump systems910 cites · 200184% earned
- 967US6818395B1Methods and apparatus for analyzing polynucleotide sequences867 cites · 200488% earned
- 1063US5088515AValve system with removable fluid interface850 cites · 199295% earned
- 1158US6565727B1Actuators for microfluidics without moving parts829 cites · 200388% earned
- 1254US6911345B2Methods and apparatus for analyzing polynucleotide sequences820 cites · 200288% earned
- 1350US4143853AValve for use with a catheter or the like780 cites · 197995% earned
- 1446US6524456B1Microfluidic devices for the controlled manipulation of small volumes754 cites · 200391% earned
- 1542US4373216AHeart valves having edge-guided occluders674 cites · 198395% earned
- 1638US5029805AValve arrangement of microstructured components666 cites · 199195% earned
- 1733US5997588ASemiconductor processing system with gas curtain664 cites · 199995% earned
- 1829US5591344AHot water disinfection of dialysis machines, including the extracorporeal circuit thereof644 cites · 199781% earned
- 1925US7011094B2Bronchial flow control devices and methods of use641 cites · 200492% earned
- 2021US5932799AMicrofluidic analyzer module624 cites · 199995% earned
- 2117US4808161APressure-measurement flow control system614 cites · 198988% earned
- 2213US4406022AProsthetic valve means for cardiovascular surgery614 cites · 198395% earned
- 238US5975492ABellows driver slot valve612 cites · 199992% earned
- 244US6060691ADevice for heating fluid controller593 cites · 200095% earned
- 251US5224843ATwo valve micropump with improved outlet580 cites · 199395% earned
Rising· last 2 yrs
Assignees whose newest F16K patents became public in the last 2 years — the current frontier
- 199HANDYLAB INC44 patents · 1,977 citations
- 296APPLIED MATERIALS INC99 patents · 2,105 citations
- 392MKS INSTR INC43 patents · 1,410 citations
- 488VAT HOLDING AG106 patents · 1,658 citations
- 583BOSCH GMBH ROBERT517 patents · 6,494 citations
- 679KERR MACHINE CO61 patents · 603 citations
- 775ILLINOIS TOOL WORKS136 patents · 1,374 citations
- 871AGILENT TECHNOLOGIES INC28 patents · 646 citations
- 967SWAGELOK CO77 patents · 1,218 citations
- 1063KOHLER CO181 patents · 2,144 citations
- 1158FUJIKIN KK205 patents · 2,219 citations
- 1254COLDER PROD CO17 patents · 646 citations
- 1350TOKYO ELECTRON LTD43 patents · 1,069 citations
- 1446SMC CORP262 patents · 3,931 citations
- 1542SAFOCO INC22 patents · 347 citations
- 1638EMERSON ELECTRIC CO72 patents · 1,682 citations
- 1733PARKER HANNIFIN CORP170 patents · 2,111 citations
- 1829DANFOSS AS86 patents · 1,256 citations
- 1925CKD CORP91 patents · 984 citations
- 2021SCHLUMBERGER TECHNOLOGY CORP61 patents · 707 citations
- 2117DENSO CORP361 patents · 2,466 citations
- 2213WORLDWIDE OILFIELD MACHINE INC18 patents · 400 citations
- 238BOEING CO81 patents · 654 citations
- 244LAM RES CORP38 patents · 520 citations
- 251CATERPILLAR INC148 patents · 1,744 citations
Active· last 5 yrs
Sustained F16K output across the last 5 years
- 199DEKA PRODUCTS LP70 patents · 9,334 citations
- 296HANDYLAB INC44 patents · 1,977 citations
- 392VERNAY LABORATORIES31 patents · 2,148 citations
- 488BAXTER INT26 patents · 1,085 citations
- 583HONEYWELL INT INC185 patents · 2,715 citations
- 679SEIKO EPSON CORP33 patents · 698 citations
- 775TOTO LTD44 patents · 1,372 citations
- 871UNIV CALIFORNIA23 patents · 1,084 citations
- 967APPLIED MATERIALS INC99 patents · 2,105 citations
- 1063TECAN TRADING AG9 patents · 637 citations
- 1158MKS INSTR INC43 patents · 1,410 citations
- 1254VAT HOLDING AG106 patents · 1,658 citations
- 1350BOSCH GMBH ROBERT517 patents · 6,494 citations
- 1446CYTONOME ST LLC14 patents · 360 citations
- 1542KERR MACHINE CO61 patents · 603 citations
- 1638ILLINOIS TOOL WORKS136 patents · 1,374 citations
- 1733AGILENT TECHNOLOGIES INC28 patents · 646 citations
- 1829BECTON DICKINSON CO25 patents · 883 citations
- 1925SWAGELOK CO77 patents · 1,218 citations
- 2021HUSCO INT INC22 patents · 933 citations
- 2117KOHLER CO181 patents · 2,144 citations
- 2213FRAUNHOFER GES FORSCHUNG17 patents · 628 citations
- 238BARD INC C R12 patents · 572 citations
- 244FUJIKIN KK205 patents · 2,219 citations
- 251PROCTER & GAMBLE19 patents · 708 citations
All-time canon
All-time PatentIndex Score in F16K
- 199CALIFORNIA INST OF TECHN55 patents · 6,207 citations
- 296AKSYS LTD24 patents · 3,785 citations
- 392KAMEN DEAN L8 patents · 3,158 citations
- 488DEKA PRODUCTS LP70 patents · 9,334 citations
- 583EMPHASYS MEDICAL INC8 patents · 2,550 citations
- 679UNIV MICHIGAN13 patents · 1,846 citations
- 775ROSEMOUNT INC17 patents · 2,203 citations
- 871SEQUAL TECHNOLOGIES INC8 patents · 1,541 citations
- 967FLUIDIGM CORP18 patents · 1,560 citations
- 1063HANDIQUE KALYAN9 patents · 1,134 citations
- 1158BISSELL HOMECARE INC19 patents · 1,781 citations
- 1254GEORGIA TECH RES INST9 patents · 1,288 citations
- 1350HONEYWELL INC50 patents · 2,820 citations
- 1446HANDYLAB INC44 patents · 1,977 citations
- 1542BURRON MEDICAL INC7 patents · 1,422 citations
- 1638SHERWOOD MEDICAL CO10 patents · 1,380 citations
- 1733MINNESOTA MINING & MFG8 patents · 1,181 citations
- 1829DRAEGERWERK AG13 patents · 1,652 citations
- 1925NANOSTREAM INC9 patents · 1,048 citations
- 2021CYTOLOGIX CORP5 patents · 947 citations
- 2117NYPRO INC9 patents · 1,213 citations
- 2213VERNAY LABORATORIES31 patents · 2,148 citations
- 238ABBOTT LAB17 patents · 1,494 citations
- 244MICRONICS INC6 patents · 766 citations
- 251BAXTER INT26 patents · 1,085 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth