Top 100 Fast-growings companies in HVAC by Most Patent Filing In 5 Years in the United States in 2021 – Discovery

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The HVAC top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 5 Years HVAC Fast-growings in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, 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	Lennox Industries, Inc.	Iowa, United States	Air conditioning,Computer hardware,Electronics, ...[+2]	Patent: 259
2	Johnson Controls Technology Co.	Wisconsin, United States		Patent: 210
3	Carrier Corp.	Indiana, United States	Refrigeration,Air conditioning,Mechanical engineering, ...[+2]	Patent: 142
4	Trane International, Inc.	North Carolina, United States	Building management,Automation,Manufacturing engineering, ...[+2]	Patent: 92
5	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	Patent: 85
6	DENSO International America, Inc.	Michigan, United States	Product category	Patent: 78
7	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	Patent: 39
8	Optimum Energy LLC	Washington, United States	Smart meter,Software,Efficient energy use, ...[+2]	Patent: 21
9	K&N Engineering, Inc.	California, United States	Filter (aquarium),Automotive engineering,Oil filter, ...[+2]	Patent: 20
10	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	Patent: 20
11	Siemens Energy & Automation, Inc.	United States	Electronics,Automation,Electric utility	Patent: 20
12	Emerson Electric Co.	Missouri, United States	Software,Computer hardware,Electronics, ...[+2]	Patent: 20
13	Valeo North America, Inc.	Michigan, United States	Automotive software,Automotive engineering	Patent: 16
14	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	Patent: 16
15	Goodman Global Group, Inc.	Texas, United States	HVAC,Automation,Manufacturing engineering, ...[+2]	Patent: 15
16	Emerson Climate Technologies, Inc.	Ohio, United States	Refrigeration,Air conditioning,Automation, ...[+2]	Patent: 15
17	View, Inc.	California, United States	Smart glass	Patent: 12
18	CalsonicKansei North America, Inc.	Tennessee, United States	Automotive engineering	Patent: 12
19	Polaris Inc.	Ohio, United States	Electric vehicle,Atazanavir,Public transport, ...[+2]	Patent: 12
20	Bergstrom, Inc.	Illinois, United States	Automotive engineering,Public transport,Climate system, ...[+2]	Patent: 11
21	Thermo King Corp.	Minnesota, United States	Truck,Supply chain management,Manufacturing engineering, ...[+2]	Patent: 11
22	Valeo Climate Control Corp.	Michigan, United States	Automotive engineering	Patent: 11
23	Toyota Motor Engineering & Manufacturing North America, Inc.	Kentucky, United States	Automotive engineering,Production engineering,Production control, ...[+2]	Patent: 10
24	EcoFactor, Inc.	California, United States	Energy management,Software as a service,Machine learning, ...[+2]	Patent: 10
25	Goodman Manufacturing Co. LP	Texas, United States	Air conditioning,Heat pump,Automation, ...[+2]	Patent: 9
26	Tesla, Inc.	Texas, United States	Electric vehicle,Electronics,Automotive engineering, ...[+2]	Patent: 9
27	Clean Power Research LLC	California, United States	Software,Solar energy,Renewable energy system, ...[+2]	Patent: 9
28	General Electric Co.	Massachusetts, United States	Energy management,Turbine,Electronics, ...[+2]	Patent: 9
29	Vivint, Inc.	Utah, United States	Home automation,Internet of Things,Software, ...[+2]	Patent: 9
30	Air International (US), Inc.	Michigan, United States	Air conditioning,Automation,Manufacturing engineering, ...[+2]	Patent: 8
31	Rheem Manufacturing Co.	United States	Air conditioning,Petroleum industry,Solar water heating, ...[+2]	Patent: 8
32	Zoox, Inc.	California, United States	Robotics,Public transport,Software, ...[+2]	Patent: 8
33	Fluid Handling LLC	New York, United States	Heat exchanger,Automation,Manufacturing engineering, ...[+2]	Patent: 8
34	Environmental Dynamics Group, Inc.	New Jersey, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 7
35	Nidec Motor Corp.	Missouri, United States	Electric motor,Electrical equipment,Electronics, ...[+2]	Patent: 7
36	Schneider Electric USA, Inc.	Illinois, United States	Distribution board,Power transmission,Electrical equipment, ...[+2]	Patent: 7
37	Regal Beloit Americas, Inc.	Kentucky, United States	Electric motor,Coupling,Electrical equipment, ...[+2]	Patent: 7
38	Emerson Digital Cold Chain, Inc.	United States	Energy management,Electronics	Patent: 7
39	STARTUP Second Nature Brands, Inc.	North Carolina, United States	Construction engineering	Patent: 6
40	Best Technologies, Inc.	Texas, United States	Semiconductor,Electronic component	Patent: 6
41	Clark Equipment Co.	Indiana, United States	Tractor,Truck,Manufacturing engineering, ...[+2]	Patent: 6
42	Watsco Ventures LLC	United States	Corporate innovation,Asset management,Venture capital	Patent: 6
43	Battelle Memorial Institute	Ohio, United States	Revenue code,Applied science,Gunfire locator, ...[+2]	Patent: 6
44	Marelli Cabin Comfort Usa, Inc.	United States		Patent: 6
45	Dunan Microstaq, Inc.	Texas, United States	Power transmission,Energy management,Silicon, ...[+2]	Patent: 6
46	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	Patent: 5
47	GridPoint, Inc.	Virginia, United States	Energy management,Software,Building automation, ...[+2]	Patent: 5
48	Veev Group, Inc.	California, United States	Real estate development,Construction engineering,Cybercrime, ...[+2]	Patent: 5
49	STARTUP Hyliion, Inc.	Texas, United States	Public transport,Electrification,Greenhouse gas, ...[+2]	Patent: 5
50	STARTUP Grid4C, Inc.	Texas, United States	Smart grid,Software,Predictive analytics, ...[+2]	Patent: 5
51	Johns Manville Corp.	Colorado, United States	Interior design,Construction engineering,Waterproofing, ...[+2]	Patent: 5
52	Heatcraft Refrigeration Products LLC	United States	Refrigeration,Automation,Manufacturing engineering, ...[+2]	Patent: 5
53	Mitsubishi Electric Research Laboratories, Inc.	Massachusetts, United States	Mechatronics,Computer vision,Algorithm, ...[+1]	Patent: 5
54	CNH Industrial America LLC	Wisconsin, United States	Manufacturing engineering,Mechanical engineering,Pulverizer, ...[+2]	Patent: 5
55	EnTouch Controls, Inc.	Texas, United States	Energy management,Energy management system,Cloud computing, ...[+2]	Patent: 4
56	Arzel Technology, Inc.	Ohio, United States	Air conditioning,Automation,Manufacturing engineering, ...[+2]	Patent: 4
57	North Carolina State University	North Carolina, United States	Educational institution,Veterinary medicine,Natural resource, ...[+2]	Patent: 4
58	Key Safety Systems, Inc.	Michigan, United States	Airbag,Automotive engineering,Manufacturing engineering, ...[+2]	Patent: 4
59	Gentherm, Inc.	Michigan, United States	Steering wheel,Automotive engineering,Electronics, ...[+2]	Patent: 4
60	Fraunhofer USA, Inc.	Michigan, United States	Applied research,Solar energy	Patent: 4
61	Magnix Usa, Inc.	United States		Patent: 4
62	Syracuse University	New York, United States	Library science,Work ethic,Psychology, ...[+2]	Patent: 4
63	Blue Leaf I.P., Inc.	Delaware, United States	Special purpose entity	Patent: 4
64	Toledo Molding & Die, Inc.	Ohio, United States	Product design,Automotive engineering,3D printing, ...[+2]	Patent: 4
65	The University of Texas at Austin	Texas, United States	Undergraduate education,Career development,Association (object-oriented programming), ...[+2]	Patent: 4
66	PACCAR, Inc.	Washington, United States	Truck,Automotive engineering,Public transport, ...[+2]	Patent: 4
67	Generac Power Systems, Inc.	Wisconsin, United States	Power transmission,Electrical equipment,Electronics, ...[+2]	Patent: 4
68	The University of Texas at Arlington	Texas, United States	Library science,Community engagement,Critical thinker, ...[+2]	Patent: 4
69	The Boeing Co.	Illinois, United States	Aerospace,Satellite,National security, ...[+2]	Patent: 3
70	Rite-Hite Holding Corp.	Wisconsin, United States	Shutter,Safety barrier,Industrial fan, ...[+2]	Patent: 3
71	Illinois Tool Works, Inc.	Illinois, United States	Adhesive,Consumables,Industrial engineering, ...[+2]	Patent: 3
72	Schroff Technologies International, Inc.	Rhode Island, United States	Intelligent control,Computer hardware,Electronics, ...[+1]	Patent: 3
73	Griswold Controls	California, United States	Cartridge,Automation,Manufacturing engineering, ...[+2]	Patent: 3
74	Rivian Holdings LLC	Michigan, United States	Electric vehicle	Patent: 3
75	Knorr Brake Co. LLC	United States	Rapid transit,Brake,Public transport, ...[+2]	Patent: 3
76	STARTUP Alea Labs, Inc.	California, United States	Energy management,Renewable energy	Patent: 3
77	Purdue Research Foundation	Indiana, United States	Financial asset,Technology transfer,Incubation, ...[+2]	Patent: 3
78	STARTUP Nano Evaporative Technologies, Inc.	Nevada, United States	Electricity	Patent: 3
79	Clean Air Group, Inc.	Connecticut, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 3
80	Cummins, Inc.	Indiana, United States	Electric vehicle,Natural gas,Petroleum industry, ...[+2]	Patent: 3
81	STARTUP CrowdComfort, Inc.	Massachusetts, United States	Heat map,Software as a service,Mobile device, ...[+2]	Patent: 3
82	STARTUP Anacove LLC	California, United States	Information technology consulting	Patent: 3
83	enVerid Systems, Inc.	Massachusetts, United States	Air conditioning,Energy storage,Energy management, ...[+2]	Patent: 3
84	Lucid USA, Inc.	California, United States		Patent: 3
85	Nissan North America, Inc.	Tennessee, United States	Truck,Automotive engineering	Patent: 3
86	STARTUP Compass Datacenters LLC	Texas, United States	Data center,Protocol data unit,Software, ...[+2]	Patent: 3
87	OnPower, Inc.	New Hampshire, United States	Turbine,Gas turbines,Electronics, ...[+1]	Patent: 2
88	Flow Energy, Inc.	Oklahoma, United States	Electricity,Renewable energy	Patent: 2
89	Cooper Technologies Co.	Texas, United States	Materials testing,Medicine,Cement	Patent: 2
90	Allied Air Enterprises LLC	South Carolina, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 2
91	Greenheck Fan Corp.	Wisconsin, United States	Control equipment,Fast-moving consumer goods,Electronics, ...[+2]	Patent: 2
92	Stony Brook University	New York, United States	Public university,Incubator,Accounting, ...[+2]	Patent: 2
93	Enel X North America, Inc.	Massachusetts, United States	Energy management,Software,Efficient energy use, ...[+2]	Patent: 2
94	Universal Electronics, Inc.	California, United States	Home automation,Electronics,Control software, ...[+2]	Patent: 2
95	Franklin Control Systems LLC	Oregon, United States	Starter,Electrical equipment,Electronics	Patent: 2
96	State Farm Mutual Automobile Insurance Co.	Tennessee, United States	Property insurance,Automobile insurance,Disability insurance, ...[+2]	Patent: 2
97	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	Patent: 2
98	STARTUP Blue Box Air LLC	Texas, United States	Filtration,Automation,Manufacturing engineering, ...[+2]	Patent: 2
99	Walmart Apollo LLC	Arkansas, United States		Patent: 2
100	Pipe Restoration Technologies LLC	California, United States	Epoxy,Mining engineering,Natural resource management, ...[+2]	Patent: 2