Top 100 Key Players companies in HVAC by Most Patent Filings in the United States in 2022 – Discovery

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The HVAC top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings HVAC Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

Heating, ventilation, and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation, as HVAC&R or HVACR or "ventilation" is dropped, as in HACR (as in the designation of HACR-rated circuit breakers).

1	Carrier Corp.	Indiana, United States	Refrigeration,Air conditioning,Mechanical engineering, ...[+2]	Patent: 588
2	Lennox Industries, Inc.	Iowa, United States	Air conditioning,Computer hardware,Electronics, ...[+2]	Patent: 563
3	Trane International, Inc.	North Carolina, United States	Building management,Automation,Manufacturing engineering, ...[+2]	Patent: 430
4	Johnson Controls Technology Co.	Wisconsin, United States		Patent: 343
5	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	Patent: 259
6	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	Patent: 258
7	DENSO International America, Inc.	Michigan, United States	Product category	Patent: 145
8	Emerson Electric Co.	Missouri, United States	Software,Computer hardware,Electronics, ...[+2]	Patent: 119
9	Delphi Technology, Inc.	Massachusetts, United States	Software,Business intelligence,Systems design, ...[+2]	Patent: 97
10	Siemens Energy & Automation, Inc.	United States	Electronics,Automation,Electric utility	Patent: 82
11	YORK International Corp.	Pennsylvania, United States	Refrigeration,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 53
12	Thermo King Corp.	Minnesota, United States	Truck,Supply chain management,Manufacturing engineering, ...[+2]	Patent: 45
13	Optimum Energy LLC	Washington, United States	Smart meter,Software,Efficient energy use, ...[+2]	Patent: 44
14	Visteon Global Technologies, Inc.	Michigan, United States	Automotive engineering	Patent: 44
15	Valeo Climate Control Corp.	Michigan, United States	Automotive engineering	Patent: 43
16	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	Patent: 40
17	Emerson Climate Technologies, Inc.	Ohio, United States	Refrigeration,Air conditioning,Automation, ...[+2]	Patent: 39
18	EcoFactor, Inc.	California, United States	Energy management,Software as a service,Machine learning, ...[+2]	Patent: 38
19	Nidec Motor Corp.	Missouri, United States	Electric motor,Electrical equipment,Electronics, ...[+2]	Patent: 37
20	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	Patent: 36
21	K&N Engineering, Inc.	California, United States	Filter (aquarium),Automotive engineering,Oil filter, ...[+2]	Patent: 33
22	General Electric Co.	Massachusetts, United States	Energy management,Turbine,Electronics, ...[+2]	Patent: 28
23	Bergstrom, Inc.	Illinois, United States	Automotive engineering,Public transport,Climate system, ...[+2]	Patent: 28
24	PaceControls LLC	Pennsylvania, United States	Refrigeration,Computer hardware,Electronics	Patent: 28
25	Schneider Electric USA, Inc.	Illinois, United States	Distribution board,Power transmission,Electrical equipment, ...[+2]	Patent: 27
26	Lucid USA, Inc.	California, United States		Patent: 26
27	Ford Motor Co.	Michigan, United States	Truck,Public transport,Automotive engineering, ...[+2]	Patent: 25
28	Nest Labs, Inc.	California, United States	Thermostat,Home automation,Electronic component, ...[+2]	Patent: 24
29	View, Inc.	California, United States	Smart glass	Patent: 24
30	Franklin Control Systems LLC	Oregon, United States	Starter,Electrical equipment,Electronics	Patent: 24
31	ZTEK Corp.	Massachusetts, United States	Hydrogen economy,Hydrogen station,Molten carbonate fuel cell, ...[+2]	Patent: 23
32	FCA US LLC	Michigan, United States	Automotive engineering,Spark plug,Turbocharger, ...[+2]	Patent: 20
33	Vivint, Inc.	Utah, United States	Home automation,Internet of Things,Software, ...[+2]	Patent: 20
34	Vigilent Corp.	California, United States	Energy management,Machine learning,Data center, ...[+2]	Patent: 20
35	Emerson Digital Cold Chain, Inc.	United States	Energy management,Electronics	Patent: 20
36	Air International (US), Inc.	Michigan, United States	Air conditioning,Automation,Manufacturing engineering, ...[+2]	Patent: 20
37	Rocky Research	Alabama, United States	Energy management,Graphics processing unit,Information technology management, ...[+2]	Patent: 19
38	Gentherm, Inc.	Michigan, United States	Steering wheel,Automotive engineering,Electronics, ...[+2]	Patent: 18
39	Tesla, Inc.	Texas, United States	Electric vehicle,Electronics,Automotive engineering, ...[+2]	Patent: 17
40	Bristol Compressors, Inc.	Virginia, United States	Manufacturing engineering,Automation,Mechanical engineering, ...[+2]	Patent: 17
41	Owens Corning Intellectual Capital LLC	Ohio, United States	Intellectual capital,Chemical engineering	Patent: 17
42	Goodman Global Group, Inc.	Texas, United States	HVAC,Automation,Manufacturing engineering, ...[+2]	Patent: 16
43	Diversitech, Inc.	Ohio, United States	Construction engineering,Computational mechanics,Modeling and simulation, ...[+2]	Patent: 16
44	Valeo North America, Inc.	Michigan, United States	Automotive software,Automotive engineering	Patent: 16
45	Modine Manufacturing Co.	Wisconsin, United States	Heat exchanger,Automotive engineering,Heat transfer, ...[+2]	Patent: 15
46	enVerid Systems, Inc.	Massachusetts, United States	Air conditioning,Energy storage,Energy management, ...[+2]	Patent: 15
47	Clean Power Research LLC	California, United States	Software,Solar energy,Renewable energy system, ...[+2]	Patent: 15
48	Regal Beloit Americas, Inc.	Kentucky, United States	Electric motor,Coupling,Electrical equipment, ...[+2]	Patent: 15
49	Polaris Inc.	Ohio, United States	Electric vehicle,Atazanavir,Public transport, ...[+2]	Patent: 14
50	United Technologies	Connecticut, United States	Aerospace,Public transport,Building automation, ...[+2]	Patent: 14
51	STARTUP Blue Box Air LLC	Texas, United States	Filtration,Automation,Manufacturing engineering, ...[+2]	Patent: 14
52	Mitsubishi Electric Research Laboratories, Inc.	Massachusetts, United States	Mechatronics,Computer vision,Algorithm, ...[+1]	Patent: 14
53	United-Tech, Inc.	Oklahoma, United States	Yeast,Telecommunications,Chemical treatment, ...[+2]	Patent: 14
54	Toyota Motor Engineering & Manufacturing North America, Inc.	Kentucky, United States	Automotive engineering,Production engineering,Production control, ...[+2]	Patent: 13
55	Clark Equipment Co.	Indiana, United States	Tractor,Truck,Manufacturing engineering, ...[+2]	Patent: 12
56	Glacier Bay, Inc.	California, United States	Icebox,Energy storage,Energy management, ...[+2]	Patent: 12
57	CalsonicKansei North America, Inc.	Tennessee, United States	Automotive engineering	Patent: 12
58	Capital Hardware Supply, Inc.	New Jersey, United States	HVAC,Automotive engineering,Metal, ...[+2]	Patent: 12
59	Haier US Appliance Solutions, Inc.	Kentucky, United States	Electronics,Demand response,Fixture, ...[+2]	Patent: 12
60	TRAK International, Inc.	Wisconsin, United States	Elevator,Monorail,Tractor, ...[+2]	Patent: 12
61	Blue Leaf I.P., Inc.	Delaware, United States	Special purpose entity	Patent: 12
62	GridPoint, Inc.	Virginia, United States	Energy management,Software,Building automation, ...[+2]	Patent: 11
63	CNH Industrial America LLC	Wisconsin, United States	Manufacturing engineering,Mechanical engineering,Pulverizer, ...[+2]	Patent: 11
64	Sensibo Ltd.	California, United States	Conditioners,Conditioning equipment,Mobile device, ...[+2]	Patent: 11
65	Caterpillar, Inc.	Illinois, United States	Turbine,Construction engineering,Mechanical engineering, ...[+2]	Patent: 10
66	Kimberly-Clark Corp.	Texas, United States	Synthetic fiber,Paperboard,Fast-moving consumer goods, ...[+2]	Patent: 10
67	PACCAR, Inc.	Washington, United States	Truck,Automotive engineering,Public transport, ...[+2]	Patent: 10
68	Ductmate Industries, Inc.	Pennsylvania, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 10
69	Lagotek Corp.	Washington, United States	Software,Home automation,Enterprise software, ...[+2]	Patent: 10
70	Goodman Manufacturing Co. LP	Texas, United States	Air conditioning,Heat pump,Automation, ...[+2]	Patent: 10
71	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	Patent: 9
72	Cummins, Inc.	Indiana, United States	Electric vehicle,Natural gas,Petroleum industry, ...[+2]	Patent: 9
73	Lutron Electronics Co., Inc.	Pennsylvania, United States	Electronics,Dimmer,Control system, ...[+2]	Patent: 9
74	Rheem Manufacturing Co.	United States	Air conditioning,Petroleum industry,Solar water heating, ...[+2]	Patent: 9
75	Rite-Hite Holding Corp.	Wisconsin, United States	Shutter,Safety barrier,Industrial fan, ...[+2]	Patent: 9
76	ZipWall LLC	Virginia, United States	Demolition,Automation,Manufacturing engineering, ...[+2]	Patent: 9
77	Watsco Ventures LLC	United States	Corporate innovation,Asset management,Venture capital	Patent: 9
78	Pipe Restoration Technologies LLC	California, United States	Epoxy,Mining engineering,Natural resource management, ...[+2]	Patent: 9
79	Best Technologies, Inc.	Texas, United States	Semiconductor,Electronic component	Patent: 9
80	Cooper Technologies Co.	Texas, United States	Materials testing,Medicine,Cement	Patent: 9
81	STERIS, Inc.	Arizona, United States	Medicine	Patent: 9
82	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	Patent: 8
83	Donaldson Co., Inc.	Minnesota, United States	Filtration,Filter (aquarium),Industrial engineering, ...[+2]	Patent: 8
84	Unique Fabricating, Inc.	Michigan, United States	Noise,Automotive engineering,Muffler, ...[+2]	Patent: 8
85	Daikin Applied Americas, Inc.	Minnesota, United States	Chiller,Air conditioning,Fast-moving consumer goods, ...[+2]	Patent: 8
86	Generac Power Systems, Inc.	Wisconsin, United States	Power transmission,Electrical equipment,Electronics, ...[+2]	Patent: 8
87	ELUTIONS, Inc.	United States	Renewable energy,Elution,Operational efficiency, ...[+1]	Patent: 8
88	Bristol Compressors International, Inc.	Virginia, United States	Refrigeration,Reciprocating compressor,Air compressor, ...[+2]	Patent: 8
89	Zoox, Inc.	California, United States	Robotics,Public transport,Software, ...[+2]	Patent: 8
90	Acutherm LLC	California, United States	Temperature control	Patent: 8
91	Autani LLC	United States	Energy management,Software,Building automation, ...[+2]	Patent: 8
92	Braeburn Systems LLC	Alabama, United States	Sales management,Indoor air quality,Technical support	Patent: 8
93	STARTUP Nano Evaporative Technologies, Inc.	Nevada, United States	Electricity	Patent: 8
94	Alistagen Corp.	New York, United States		Patent: 8
95	Universal Air Technology, Inc.	United States	Indoor air quality,Automation,Manufacturing engineering, ...[+2]	Patent: 8
96	Mestek, Inc.	New Jersey, United States	HVAC,Electronics,Metalworking, ...[+2]	Patent: 7
97	Johns Manville Corp.	Colorado, United States	Interior design,Construction engineering,Waterproofing, ...[+2]	Patent: 7
98	Savant Systems LLC	Massachusetts, United States	Software,Home automation,Computer hardware, ...[+2]	Patent: 7
99	AAF-McQuay, Inc.	Kentucky, United States	Manufacturing engineering,Automation,Mechanical engineering, ...[+2]	Patent: 7
100	Palo Alto Research Center, Inc.	California, United States	Internet of Things,Electronics,Intellectual property, ...[+2]	Patent: 7