Topic leaderboard
Air-conditioning, humidification & ventilation
Ranked by the PatentIndex Score — a 1–99 percentile within F24F · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F24F patents became public in the last 2 years — the current frontier
- 199Julien G. Stamatakis45 patents · 1,201 citations
- 296Serene Al-Momen24 patents · 674 citations
- 392Hung M. Pham38 patents · 1,719 citations
- 488Kirk H. Drees70 patents · 1,593 citations
- 583Troy Aaron Harvey31 patents · 694 citations
- 679Michael J. Wenzel70 patents · 1,026 citations
- 775Sudhi R. Sinha36 patents · 443 citations
- 871Raymond B. Avedon23 patents · 496 citations
- 967Michael F. Taras44 patents · 977 citations
- 1063Charles Houston Waddell23 patents · 299 citations
- 1158Jonathan D. Douglas28 patents · 437 citations
- 1254Glenn A. Moore16 patents · 347 citations
- 1350Daniel S. Poplawski15 patents · 291 citations
- 1446Elliot G. Jacoby14 patents · 259 citations
- 1542Youngchoon Park26 patents · 301 citations
- 1638Stephen B. Pickle25 patents · 256 citations
- 1733Mohammad N. Elbsat46 patents · 379 citations
- 1829Gregory S. Daniels17 patents · 229 citations
- 1925James P. Steiner27 patents · 143 citations
- 2021Craig Alan Casey18 patents · 98 citations
- 2117Brent Protzman16 patents · 97 citations
- 2213Gregg W. Burnett11 patents · 247 citations
- 238Manfred Gerber25 patents · 340 citations
- 244Jeremy David Fillingim20 patents · 191 citations
- 251Mirko Zakula18 patents · 207 citations
Active· last 5 yrs
Sustained F24F output across the last 5 years
- 199James Hollister36 patents · 2,230 citations
- 296Kevin R. Imes36 patents · 2,230 citations
- 392John Douglas Steinberg40 patents · 3,316 citations
- 488Anthony M. Fadell141 patents · 4,857 citations
- 583Matthew Lee Rogers127 patents · 4,346 citations
- 679David Sloo131 patents · 4,674 citations
- 775Scott Douglas Hublou24 patents · 2,247 citations
- 871John B. Amundson33 patents · 2,455 citations
- 967Yoky Matsuoka117 patents · 3,361 citations
- 1063John E. Seem25 patents · 3,040 citations
- 1158Julien G. Stamatakis45 patents · 1,201 citations
- 1254Cary Leen42 patents · 1,940 citations
- 1350Serene Al-Momen24 patents · 674 citations
- 1446Charles Shamoon8 patents · 624 citations
- 1542Deborah Shamoon8 patents · 624 citations
- 1638Michael Fehnel8 patents · 624 citations
- 1733Mark D. Stefanski39 patents · 1,294 citations
- 1829David A. Johnson6 patents · 832 citations
- 1925Hung M. Pham38 patents · 1,719 citations
- 2021Osman Ahmed23 patents · 2,160 citations
- 2117Kirk H. Drees70 patents · 1,593 citations
- 2213Mark Rajan Malhotra26 patents · 1,197 citations
- 238Daniel Adam Warren43 patents · 1,122 citations
- 244David Schultz30 patents · 1,369 citations
- 251Troy Aaron Harvey31 patents · 694 citations
All-time canon
Career PatentIndex Score in F24F
- 199Gregory A. Ehlers8 patents · 3,830 citations
- 296James Hollister36 patents · 2,230 citations
- 392Kevin R. Imes36 patents · 2,230 citations
- 488Joseph Beaudet6 patents · 2,084 citations
- 583John Douglas Steinberg40 patents · 3,316 citations
- 679Anthony M. Fadell141 patents · 4,857 citations
- 775Matthew Lee Rogers127 patents · 4,346 citations
- 871David Sloo131 patents · 4,674 citations
- 967Scott Douglas Hublou24 patents · 2,247 citations
- 1063Lawrence Kates51 patents · 2,724 citations
- 1158John B. Amundson33 patents · 2,455 citations
- 1254John Benjamin Filson34 patents · 1,712 citations
- 1350Brian Huppi22 patents · 1,489 citations
- 1446Michael Matas38 patents · 1,931 citations
- 1542Fred Bould27 patents · 1,482 citations
- 1638David Sandelman8 patents · 1,805 citations
- 1733Daniel Shprecher7 patents · 1,720 citations
- 1829Yoky Matsuoka117 patents · 3,361 citations
- 1925Shigefumi Honjo22 patents · 1,179 citations
- 2021Harold Gene Alles8 patents · 1,249 citations
- 2117Shek Fai Lau27 patents · 1,353 citations
- 2213Nagaraj Jayanth14 patents · 1,237 citations
- 238Howard Rosen12 patents · 2,008 citations
- 244Rajendra K. Shah31 patents · 2,358 citations
- 251John E. Seem25 patents · 3,040 citations
Rising· last 2 yrs
The top-scoring F24F patents made public in the last 2 years
- 199US12281656B1✦ AINeck fan6 cites · 202585% earned
- 296US12449150B1✦ AICooperative control optimization method suitable for near-field fan wall micromodule3 cites · 202580% earned
- 392US12161783B1✦ AIRotary dripping aromatherapy humidifier6 cites · 202485% earned
- 488US12077037B2Protective barrier for safety glazing8 cites · 202473% earned
- 583US12345433B2Indoor air quality sensor calibration systems and methods4 cites · 202475% earned
- 679US11906506B1System and method for inspecting and maintaining the exterior elevated elements of buildin8 cites · 202486% earned
- 775US12083238B1Automatic solution injection apparatus and method10 cites · 202487% earned
- 871US12050022B2Liquid desiccant air conditioning system and control methods3 cites · 202472% earned
- 967US12405016B1Gable vent assembly with offset lock3 cites · 202580% earned
- 1063US11913654B1Ventilation control systems based on air exchange rate and ventilation performance indicat8 cites · 202480% earned
- 1158US11990598B1Heat activated multiphase fluid-operated pump for battery temperature control6 cites · 202467% earned
- 1254US11940163B1Portable temperature controlled device3 cites · 202461% earned
- 1350US12241651B1Geographic location based control of cleaner dispensing system2 cites · 202561% earned
- 1446US12351059B1Dynamic energy management for EV charging with real-time allocation using predictive contr2 cites · 202567% earned
- 1542US12298037B2System for delivery of inactivated pathogens for contactless passive immunization2 cites · 202476% earned
- 1638US12066200B2Occupancy fan controller2 cites · 202476% earned
- 1733US12044429B2Air purifier3 cites · 202480% earned
- 1829US12339035B1Multifunctional outdoor fan1 cites · 202567% earned
- 1925US12051419B1Device control using near real time modeling4 cites · 202482% earned
- 2021US12486998B1Method and system for controlling heating, ventilation, and air conditioning system in bui1 cites · 202567% earned
- 2117US12264843B1Spray fan2 cites · 202576% earned
- 2213US12442551B1Fault detection method for refrigeration units based on improved deep learning model1 cites · 202567% earned
- 238US11874013B1AI-based total energy management system for high energy efficiency of logistics center3 cites · 202480% earned
- 244US11859845B1Networked HVAC system having local and networked control5 cites · 202477% earned
- 251US11985791B1Adjustable ducts for cooling computing devices4 cites · 202482% earned
Active· last 5 yrs
The top-scoring F24F patents of the last 5 years
- 199US11229138B1✦ AIController modules148 cites · 202274% earned
- 296US11125457B1✦ AIRefrigerant leak sensor and mitigation device and methods61 cites · 202192% earned
- 392US10917259B1✦ AIComputing device interaction with surrounding environment90 cites · 202193% earned
- 488US10954677B1Connected moulding for use in smart building control51 cites · 202192% earned
- 583USD943617SDisplay screen with graphical user interface49 cites · 202285% earned
- 679US11598544B1Building system for building equipment with data health operations25 cites · 202377% earned
- 775US11629869B1Personal air cooler23 cites · 202390% earned
- 871US11703060B1Neck-hanging fan17 cites · 202389% earned
- 967USD924385SAir purifier27 cites · 202191% earned
- 1063USD948689SDehumidifier24 cites · 202290% earned
- 1158US11548356B2Protective barrier for safety glazing28 cites · 202181% earned
- 1254US10894104B1LED lighting device for sterilizing surface or space28 cites · 202191% earned
- 1350US11052169B1Systems, apparatus and methods for purifying air26 cites · 202186% earned
- 1446USD909556SHumidifier29 cites · 202191% earned
- 1542US11353834B2Control system with coordinated equipment staging20 cites · 202177% earned
- 1638US10976068B2System and method for configuring analytic rules to equipment based upon building data27 cites · 202186% earned
- 1733US11137163B2Environment monitoring and management systems and methods23 cites · 202185% earned
- 1829US11125479B1Apparatus and process for amateur HVAC installation19 cites · 202185% earned
- 1925US11131471B1Refrigeration leak detection22 cites · 202182% earned
- 2021US11221601B1Various IoT sensory products and cloud-purge for commercial building solutions utilizing L18 cites · 202281% earned
- 2117US11408624B2Refrigerant leak detection20 cites · 202190% earned
- 2213US11168920B1Window air conditioning unit anti-tip bracket assembly19 cites · 202181% earned
- 238US11449015B2Building management system with artificial intelligence for unified agent based control of15 cites · 202176% earned
- 244US12281656B1Neck fan6 cites · 202585% earned
- 251US12449150B1Cooperative control optimization method suitable for near-field fan wall micromodule3 cites · 202580% earned
All-time canon
The defining F24F patents of the whole record
- 199US6216956B1✦ AIEnvironmental condition control and energy management system and method1,027 cites · 200193% earned
- 296US6459955B1✦ AIHome cleaning robot1,009 cites · 200295% earned
- 392US9641122B2✦ AIHVAC actuator with automatic end stop recalibration966 cites · 201695% earned
- 488US5544036AEnergy management and home automation system907 cites · 199695% earned
- 583US7130719B2System and method of controlling an HVAC system738 cites · 200487% earned
- 679US5761083AEnergy management and home automation system737 cites · 199895% earned
- 775US5924486AEnvironmental condition control and energy management system and method719 cites · 199992% earned
- 871US6385510B1HVAC remote monitoring system640 cites · 200295% earned
- 967US5395042AApparatus and method for automatic climate control602 cites · 199595% earned
- 1063US4921642AHumidifier module for use in a gas humidification assembly510 cites · 199095% earned
- 1158US5170935AAdaptable control of HVAC systems468 cites · 199295% earned
- 1254US7055759B2PDA configuration of thermostats466 cites · 200595% earned
- 1350US6349883B1Energy-saving occupancy-controlled heating ventilating and air-conditioning systems for ti461 cites · 200292% earned
- 1446US6851621B1PDA diagnosis of thermostats452 cites · 200595% earned
- 1542US6574104B2Smart cooling of data centers444 cites · 200395% earned
- 1638US6595430B1Graphical user interface system for a thermal comfort controller440 cites · 200386% earned
- 1733US8630741B1Automated presence detection and presence-related control within an intelligent controller437 cites · 201487% earned
- 1829US5289362AEnergy control system437 cites · 199495% earned
- 1925US7083109B2Thermostat having modulated and non-modulated provisions429 cites · 200592% earned
- 2021US6374627B1Data center cooling system426 cites · 200295% earned
- 2117US5718628AAir conditioning method in machine room having forced air-cooling equipment housed therein410 cites · 199895% earned
- 2213US6004204AInduction nozzle and arrangement409 cites · 199995% earned
- 238US6327994B1Scavenger energy converter system its new applications and its control systems406 cites · 200195% earned
- 244US8195313B1Thermostat user interface405 cites · 201284% earned
- 251US5088645ASelf-programmable temperature control system for a heating and cooling system404 cites · 199295% earned
Rising· last 2 yrs
Assignees whose newest F24F patents became public in the last 2 years — the current frontier
- 199HONEYWELL INT INC410 patents · 12,924 citations
- 296JOHNSON CONTROLS TECH CO660 patents · 6,771 citations
- 392SENSEWARE INC45 patents · 1,201 citations
- 488CARRIER CORP681 patents · 15,940 citations
- 583MITSUBISHI ELECTRIC CORP1,017 patents · 5,756 citations
- 679LENNOX IND INC376 patents · 2,131 citations
- 775HITACHI LTD111 patents · 3,340 citations
- 871BROAN NU TONE LLC47 patents · 639 citations
- 967PASSIVELOGIC INC29 patents · 500 citations
- 1063SAMSUNG ELECTRONICS CO LTD687 patents · 5,741 citations
- 1158GOOGLE LLC142 patents · 823 citations
- 1254MASSACHUSETTS INST TECHNOLOGY11 patents · 728 citations
- 1350LG ELECTRONICS INC931 patents · 4,913 citations
- 1446TRANE INT INC265 patents · 1,044 citations
- 1542DAIKIN IND LTD734 patents · 3,532 citations
- 1638ALARM COM INC55 patents · 442 citations
- 1733SIEMENS INDUSTRY INC37 patents · 537 citations
- 1829FUJITSU GENERAL LTD105 patents · 994 citations
- 1925AIRIUS IP HOLDINGS LLC19 patents · 289 citations
- 2021RITE HITE HOLDING CORP26 patents · 422 citations
- 2117UT BATTELLE LLC10 patents · 289 citations
- 2213US ARMY13 patents · 379 citations
- 238RHEEM MFG CO80 patents · 409 citations
- 244ADEMCO INC139 patents · 490 citations
- 251GENTHERM INC13 patents · 230 citations
Active· last 5 yrs
Sustained F24F output across the last 5 years
- 199HONEYWELL INT INC410 patents · 12,924 citations
- 296ECOFACTOR INC26 patents · 1,683 citations
- 392JOHNSON CONTROLS TECH CO660 patents · 6,771 citations
- 488SENSEWARE INC45 patents · 1,201 citations
- 583EMERSON ELECTRIC CO158 patents · 5,845 citations
- 679GEN ELECTRIC101 patents · 3,063 citations
- 775JOHNSON SOLID STATE LLC6 patents · 832 citations
- 871CARRIER CORP681 patents · 15,940 citations
- 967HEWLETT PACKARD DEVELOPMENT CO37 patents · 2,782 citations
- 1063MITSUBISHI ELECTRIC CORP1,017 patents · 5,756 citations
- 1158IBM128 patents · 2,507 citations
- 1254LENNOX IND INC376 patents · 2,131 citations
- 1350EBARA CORP37 patents · 1,712 citations
- 1446HITACHI LTD111 patents · 3,340 citations
- 1542TOSHIBA KK159 patents · 5,191 citations
- 1638BROAN NU TONE LLC47 patents · 639 citations
- 1733PASSIVELOGIC INC29 patents · 500 citations
- 1829SAMSUNG ELECTRONICS CO LTD687 patents · 5,741 citations
- 1925GOOGLE LLC142 patents · 823 citations
- 2021WHIRLPOOL CO75 patents · 1,623 citations
- 2117MASSACHUSETTS INST TECHNOLOGY11 patents · 728 citations
- 2213SHARP KK69 patents · 1,055 citations
- 238LG ELECTRONICS INC931 patents · 4,913 citations
- 244TRANE INT INC265 patents · 1,044 citations
- 251CHATSWORTH PROD INC6 patents · 359 citations
All-time canon
All-time PatentIndex Score in F24F
- 199ROBERTSHAW CONTROLS CO22 patents · 2,561 citations
- 296IMES KEVIN R22 patents · 1,547 citations
- 392HONEYWELL INT INC410 patents · 12,924 citations
- 488ECOFACTOR INC26 patents · 1,683 citations
- 583STEINBERG JOHN DOUGLAS13 patents · 1,571 citations
- 679KATES LAWRENCE21 patents · 2,249 citations
- 775NEST LABS INC35 patents · 2,712 citations
- 871GOOGLE INC134 patents · 3,238 citations
- 967HEAT TIMER CORP8 patents · 1,805 citations
- 1063SHARPER IMAGE CORP22 patents · 1,452 citations
- 1158JOHNSON CONTROLS TECH CO660 patents · 6,771 citations
- 1254AMERICAN STANDARD INC72 patents · 4,507 citations
- 1350COPELAND CORP13 patents · 1,864 citations
- 1446JOHNSON SERVICE CO30 patents · 2,949 citations
- 1542SENSEWARE INC45 patents · 1,201 citations
- 1638EMERSON ELECTRIC CO158 patents · 5,845 citations
- 1733GEN ELECTRIC101 patents · 3,063 citations
- 1829SHAMOON CHARLES G5 patents · 611 citations
- 1925JOHNSON SOLID STATE LLC6 patents · 832 citations
- 2021CARRIER CORP681 patents · 15,940 citations
- 2117HOME COMFORT ZONES INC6 patents · 986 citations
- 2213HEWLETT PACKARD DEVELOPMENT CO37 patents · 2,782 citations
- 238SIEMENS BUILDING TECH AG17 patents · 1,719 citations
- 244HONEYWELL INC78 patents · 5,087 citations
- 251FADELL ANTHONY MICHAEL5 patents · 373 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth