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Top 50 Fast-growings companies in HVAC
by Most Patent Filing In 1 Year in the United States in 2018

The HVAC top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 1 Year HVAC Fast-growings in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, 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).
#
Company Name
Region
Tech Topics
Total
1
Johnson Controls Technology Co.
Patent: 90
2
Lennox Industries, Inc.
Air conditioning,Computer hardware,Electronics,
...[+2]
Patent: 55
3
Carrier Corp.
Refrigeration,Air conditioning,Mechanical engineering,
...[+2]
Patent: 31
4
DENSO International America, Inc.
Product category
Patent: 24
5
Honeywell International, Inc.
Aerospace,Electronics,Market research,
...[+2]
Patent: 23
6
Trane International, Inc.
Building management,Automation,Manufacturing engineering,
...[+2]
Patent: 16
7
Google LLC
Advertising,Enterprise software,Search engine,
...[+2]
Patent: 11
8
General Electric Co.
Energy management,Turbine,Electronics,
...[+2]
Patent: 9
9
Environmental Dynamics Group, Inc.
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 7
10
Robert Bosch Corp.
Shopping mall,Truck
Patent: 6
11
Optimum Energy LLC
Smart meter,Software,Efficient energy use,
...[+2]
Patent: 5
12
Vivint, Inc.
Home automation,Internet of Things,Software,
...[+2]
Patent: 5
13
Emerson Electric Co.
Software,Computer hardware,Electronics,
...[+2]
Patent: 5
14
Thermo King Corp.
Truck,Supply chain management,Manufacturing engineering,
...[+2]
Patent: 4
15
Zoox, Inc.
Robotics,Public transport,Software,
...[+2]
Patent: 4
16
3M Innovative Properties Co.
Intellectual property,Product design
Patent: 4
17
CalsonicKansei North America, Inc.
Automotive engineering
Patent: 4
18
Johns Manville Corp.
Interior design,Construction engineering,Waterproofing,
...[+2]
Patent: 4
19
Dunan Microstaq, Inc.
Power transmission,Energy management,Silicon,
...[+2]
Patent: 4
20
CNH Industrial America LLC
Manufacturing engineering,Mechanical engineering,Pulverizer,
...[+2]
Patent: 3
21
Siemens Energy & Automation, Inc.
Electronics,Automation,Electric utility
Patent: 3
22
Nissan North America, Inc.
Truck,Automotive engineering
Patent: 3
23
Hyliion, Inc.
Public transport,Electrification,Greenhouse gas,
...[+2]
Patent: 2
24
QUALCOMM, Inc.
Telecommunications,Wireless,Mobile device,
...[+2]
Patent: 2
25
Taco, Inc.
Building automation,Computer hardware,Electronics,
...[+2]
Patent: 2
26
The University of Texas at Austin
Undergraduate education,Career development,Association (object-oriented programming),
...[+2]
Patent: 2
27
Marelli Cabin Comfort Usa, Inc.
Patent: 2
28
Stony Brook University
Public university,Incubator,Accounting,
...[+2]
Patent: 2
29
Nidec Motor Corp.
Electric motor,Electrical equipment,Electronics,
...[+2]
Patent: 2
30
Fieldpiece Instruments, Inc.
Ventilation (architecture),Technician,Computer hardware,
...[+2]
Patent: 2
31
Best Technologies, Inc.
Semiconductor,Electronic component
Patent: 2
32
The University of Texas at Arlington
Library science,Community engagement,Critical thinker,
...[+2]
Patent: 2
33
Alea Labs, Inc.
Energy management,Renewable energy
Patent: 2
34
Schneider Electric USA, Inc.
Distribution board,Power transmission,Electrical equipment,
...[+2]
Patent: 2
35
Emerson Climate Technologies, Inc.
Refrigeration,Air conditioning,Automation,
...[+2]
Patent: 2
36
Air International (US), Inc.
Air conditioning,Automation,Manufacturing engineering,
...[+2]
Patent: 2
37
The Research Foundation of The State University of New York
Asset management
Patent: 2
38
Grid4C, Inc.
Smart grid,Software,Predictive analytics,
...[+2]
Patent: 2
39
Generac Power Systems, Inc.
Power transmission,Electrical equipment,Electronics,
...[+2]
Patent: 2
40
Purdue Research Foundation
Financial asset,Technology transfer,Incubation,
...[+2]
Patent: 2
41
Innovative Climatic Technologies Corp.
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 1
42
HomeAway.com, Inc.
Renting
Patent: 1
43
Regal Beloit Americas, Inc.
Electric motor,Coupling,Electrical equipment,
...[+2]
Patent: 1
44
Standard Euler, Inc.
Information technology consulting
Patent: 1
45
Panasonic Automotive Systems Co. of America
Automotive systems,Electronics,Automotive industry,
...[+2]
Patent: 1
46
DClimate, Inc.
Auxiliary power unit
Patent: 1
47
United Technologies
Aerospace,Public transport,Building automation,
...[+2]
Patent: 1
48
Rheem Manufacturing Co.
Air conditioning,Petroleum industry,Solar water heating,
...[+2]
Patent: 1
49
ETAK Systems LLC
Direct current,Construction engineering
Patent: 1
50
Schroff Technologies International, Inc.
Intelligent control,Computer hardware,Electronics,
...[+1]
Patent: 1
Page generation time: Jun 20 2025