Top 100 Key Players companies in HVAC by Most Patent Filings in the world in 2019 – 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 world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, 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	Ford Motor Co. A/S	Denmark		Patent: 321
6	Ademco, Inc.	NJ, US	Security alarm	Patent: 262
7	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	Patent: 259
8	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	Patent: 258
9	Hyundai Motor Co., Ltd.	South Korea	Public transport,Automotive engineering,Truck, ...[+2]	Patent: 206
10	G.M. Srl	Vicenza, Italy	Chemical engineering	Patent: 180
11	BELIMO Holding AG	Zürich, Switzerland	Actuator,Air conditioning,Electronics, ...[+2]	Patent: 151
12	Kia Corp.	South Korea	Customer expectation,Automotive engineering,Public transport, ...[+2]	Patent: 148
13	DENSO International America, Inc.	Michigan, United States	Product category	Patent: 145
14	Hanon Systems	South Korea	Heat exchanger,Automotive engineering,Industrial engineering, ...[+2]	Patent: 130
15	Emerson Electric Co.	Missouri, United States	Software,Computer hardware,Electronics, ...[+2]	Patent: 119
16	MAHLE International GmbH	Germany	Filter (aquarium),Fuel filter,Machine element, ...[+2]	Patent: 113
17	Aptiv Plc	DUBLIN, Ireland	Electric vehicle,Automotive engineering,Software, ...[+2]	Patent: 97
18	Delphi Technology, Inc.	Massachusetts, United States	Software,Business intelligence,Systems design, ...[+2]	Patent: 97
19	Siemens Energy & Automation, Inc.	United States	Electronics,Automation,Electric utility	Patent: 82
20	Honda Motor Co., Ltd.	Tokyo, Japan	Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2]	Patent: 65
21	YORK International Corp.	Pennsylvania, United States	Refrigeration,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 53
22	Valeo Thermal Systems Japan Corp.	Tokyo, Japan	Thermal,Automation,Manufacturing engineering, ...[+2]	Patent: 47
23	Thermo King Corp.	Minnesota, United States	Truck,Supply chain management,Manufacturing engineering, ...[+2]	Patent: 45
24	Optimum Energy LLC	Washington, United States	Smart meter,Software,Efficient energy use, ...[+2]	Patent: 44
25	Visteon Global Technologies, Inc.	Michigan, United States	Automotive engineering	Patent: 44
26	Valeo Climate Control Corp.	Michigan, United States	Automotive engineering	Patent: 43
27	Zhongshan Broad-Ocean Motor Co., Ltd.	Jilin Sheng, China	Electrical equipment,Electronics,China sea, ...[+2]	Patent: 40
28	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	Patent: 40
29	Emerson Climate Technologies, Inc.	Ohio, United States	Refrigeration,Air conditioning,Automation, ...[+2]	Patent: 39
30	EcoFactor, Inc.	California, United States	Energy management,Software as a service,Machine learning, ...[+2]	Patent: 38
31	Nidec Motor Corp.	Missouri, United States	Electric motor,Electrical equipment,Electronics, ...[+2]	Patent: 37
32	Robert Bosch GmbH	Baden-Württemberg, Germany	Automotive engineering,Mechanical engineering,Electronics, ...[+2]	Patent: 36
33	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	Patent: 36
34	Samsung Electronics Co., Ltd.	South Korea	Computer hardware,Semiconductor,Software, ...[+2]	Patent: 33
35	K&N Engineering, Inc.	California, United States	Filter (aquarium),Automotive engineering,Oil filter, ...[+2]	Patent: 33
36	Denso Thermal Systems SpA	Italy	Temperature control,Automotive engineering,Thermal, ...[+2]	Patent: 32
37	Siemens Schweiz AG	Zürich, Switzerland	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 31
38	Doowon Climate Control Co., Ltd.	South Korea	Automation,Mechanical engineering,Manufacturing engineering, ...[+1]	Patent: 30
39	General Electric Co.	Massachusetts, United States	Energy management,Turbine,Electronics, ...[+2]	Patent: 28
40	Bergstrom, Inc.	Illinois, United States	Automotive engineering,Public transport,Climate system, ...[+2]	Patent: 28
41	PaceControls LLC	Pennsylvania, United States	Refrigeration,Computer hardware,Electronics	Patent: 28
42	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 28
43	LG Electronics, Inc.	South Korea	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 27
44	Schneider Electric USA, Inc.	Illinois, United States	Distribution board,Power transmission,Electrical equipment, ...[+2]	Patent: 27
45	erae Automotive Systems Co., Ltd.	South Korea	Automotive engineering,Exhaust gas recirculation,Alternator, ...[+2]	Patent: 27
46	Lucid USA, Inc.	California, United States		Patent: 26
47	Ford Motor Co.	Michigan, United States	Truck,Public transport,Automotive engineering, ...[+2]	Patent: 25
48	Ford Motor Co. Ltd.	Essex, United Kingdom	Automotive engineering,Mechanical engineering,Public transport, ...[+2]	Patent: 25
49	Alarm.com, Inc.	Virginia, United States	Wireless,Thermostat,Mobile technology, ...[+2]	Patent: 25
50	Danfoss A/S	Syddanmark, Denmark	Air conditioning,Solenoid,Electric motor, ...[+2]	Patent: 24
51	Nest Labs, Inc.	California, United States	Thermostat,Home automation,Electronic component, ...[+2]	Patent: 24
52	View, Inc.	California, United States	Smart glass	Patent: 24
53	Franklin Control Systems LLC	Oregon, United States	Starter,Electrical equipment,Electronics	Patent: 24
54	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Patent: 23
55	ZTEK Corp.	Massachusetts, United States	Hydrogen economy,Hydrogen station,Molten carbonate fuel cell, ...[+2]	Patent: 23
56	KB AutoTech Co., Ltd.	South Korea	Heat exchanger,Automation,Manufacturing engineering, ...[+2]	Patent: 23
57	DAEWOO SHIPBUILDING & MARINE ENGINEERING Co., Ltd.	South Korea	Shipbuilding,Shipyard,Computer hardware, ...[+2]	Patent: 22
58	Chery Automobile Co., Ltd.	Anhui Sheng, China	Pinyin,Automotive engineering,Electric vehicle, ...[+2]	Patent: 22
59	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 21
60	Ranco, Inc. of Delaware	US	Electronics	Patent: 21
61	BYD Co., Ltd.	Guangdong Sheng, China	Handset,Automotive engineering,Electric vehicle, ...[+2]	Patent: 20
62	FCA US LLC	Michigan, United States	Automotive engineering,Spark plug,Turbocharger, ...[+2]	Patent: 20
63	Vivint, Inc.	Utah, United States	Home automation,Internet of Things,Software, ...[+2]	Patent: 20
64	Vigilent Corp.	California, United States	Energy management,Machine learning,Data center, ...[+2]	Patent: 20
65	Emerson Digital Cold Chain, Inc.	United States	Energy management,Electronics	Patent: 20
66	Air International (US), Inc.	Michigan, United States	Air conditioning,Automation,Manufacturing engineering, ...[+2]	Patent: 20
67	Tata Motors Ltd.	Maharashtra, India	Truck,Automotive engineering,Electric vehicle, ...[+2]	Patent: 19
68	Rocky Research	Alabama, United States	Energy management,Graphics processing unit,Information technology management, ...[+2]	Patent: 19
69	Trane Air Conditioning Systems (China) Co., Ltd.	Shanghai Shi, China	Refrigeration,Automation,Manufacturing engineering, ...[+2]	Patent: 19
70	Gree Electric Appliances, Inc. of Zhuhai	Guangdong Sheng, China	Electronics,Conditioners,Air conditioning, ...[+2]	Patent: 18
71	Gentherm, Inc.	Michigan, United States	Steering wheel,Automotive engineering,Electronics, ...[+2]	Patent: 18
72	International Truck Intellectual Property Co. LLC	IL, US	Intellectual property,Automotive engineering,Truck	Patent: 18
73	Tesla, Inc.	Texas, United States	Electric vehicle,Electronics,Automotive engineering, ...[+2]	Patent: 17
74	Bristol Compressors, Inc.	Virginia, United States	Manufacturing engineering,Automation,Mechanical engineering, ...[+2]	Patent: 17
75	Eaton Intelligent Power Ltd.	Dublin, Ireland	Mutual fund	Patent: 17
76	Owens Corning Intellectual Capital LLC	Ohio, United States	Intellectual capital,Chemical engineering	Patent: 17
77	DENSO Corp.	Aichi, Japan	Automotive engineering,Industrial robot,Programmable logic controller, ...[+2]	Patent: 16
78	Goodman Global Group, Inc.	Texas, United States	HVAC,Automation,Manufacturing engineering, ...[+2]	Patent: 16
79	Diversitech, Inc.	Ohio, United States	Construction engineering,Computational mechanics,Modeling and simulation, ...[+2]	Patent: 16
80	Valeo North America, Inc.	Michigan, United States	Automotive software,Automotive engineering	Patent: 16
81	Hyundai IHL Co., Ltd.	Gwangju, South Korea	Bulb	Patent: 16
82	Koninklijke Philips NV	Noord-Holland, Netherlands	Health care,Wellness Programs,Medical imaging, ...[+2]	Patent: 15
83	Modine Manufacturing Co.	Wisconsin, United States	Heat exchanger,Automotive engineering,Heat transfer, ...[+2]	Patent: 15
84	enVerid Systems, Inc.	Massachusetts, United States	Air conditioning,Energy storage,Energy management, ...[+2]	Patent: 15
85	Clean Power Research LLC	California, United States	Software,Solar energy,Renewable energy system, ...[+2]	Patent: 15
86	Computime Ltd.	United Kingdom	Information technology consulting,Systems design	Patent: 15
87	Regal Beloit Americas, Inc.	Kentucky, United States	Electric motor,Coupling,Electrical equipment, ...[+2]	Patent: 15
88	Air Diffusion Agencies Pty Ltd.	Australia		Patent: 15
89	Polaris Inc.	Ohio, United States	Electric vehicle,Atazanavir,Public transport, ...[+2]	Patent: 14
90	United Technologies	Connecticut, United States	Aerospace,Public transport,Building automation, ...[+2]	Patent: 14
91	Jaguar Land Rover Ltd.	Coventry, United Kingdom	Four-wheel drive,Automotive engineering,New Car Assessment Program, ...[+1]	Patent: 14
92	STARTUP Blue Box Air LLC	Texas, United States	Filtration,Automation,Manufacturing engineering, ...[+2]	Patent: 14
93	Mitsubishi Electric Research Laboratories, Inc.	Massachusetts, United States	Mechatronics,Computer vision,Algorithm, ...[+1]	Patent: 14
94	Dometic Sweden AB	Sweden		Patent: 14
95	United-Tech, Inc.	Oklahoma, United States	Yeast,Telecommunications,Chemical treatment, ...[+2]	Patent: 14
96	Scientific Environmental Design, Inc.	NC, US	Environmental design,Design technology,Information technology consulting	Patent: 14
97	Hollingsworth & Vose GmbH & Co. KG	Germany	Filtration,Cellulose,Textile (markup language)	Patent: 14
98	Siemens Corp.	DC, US	Software,Telecommunications,Smart card security, ...[+2]	Patent: 13
99	Toyota Motor Engineering & Manufacturing North America, Inc.	Kentucky, United States	Automotive engineering,Production engineering,Production control, ...[+2]	Patent: 13
100	Schneider Electric Ltd.	United Kingdom	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 13