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Top 100 Fast-growings companies in HVAC
by Most Patent Filing In 3 Years in the United States in 2021

The HVAC top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 3 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).

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

United States

South Korea

Switzerland

United Kingdom

Germany

Canada

Ranking:

Most Patent Filing In 5 Years

Most Patent Filing In 3 Years

Most Patent Filing In 1 Year

#
Company Name
Region
Tech Topics
Total
1
Lennox Industries, Inc.
Iowa, United States
Air conditioning,Computer hardware,Electronics,
...[+2]
Patent: 168
2
Carrier Corp.
Indiana, United States
Refrigeration,Air conditioning,Mechanical engineering,
...[+2]
Patent: 83
3
Johnson Controls Technology Co.
Wisconsin, United States
Patent: 55
4
Trane International, Inc.
North Carolina, United States
Building management,Automation,Manufacturing engineering,
...[+2]
Patent: 43
5
DENSO International America, Inc.
Michigan, United States
Product category
Patent: 41
6
Honeywell International, Inc.
North Carolina, United States
Aerospace,Electronics,Market research,
...[+2]
Patent: 40
7
Google LLC
California, United States
Advertising,Enterprise software,Search engine,
...[+2]
Patent: 17
8
Valeo North America, Inc.
Michigan, United States
Automotive software,Automotive engineering
Patent: 16
9
Goodman Global Group, Inc.
Texas, United States
HVAC,Automation,Manufacturing engineering,
...[+2]
Patent: 15
10
Robert Bosch Corp.
Michigan, United States
Shopping mall,Truck
Patent: 12
11
3M Innovative Properties Co.
Minnesota, United States
Intellectual property,Product design
Patent: 12
12
Goodman Manufacturing Co. LP
Texas, United States
Air conditioning,Heat pump,Automation,
...[+2]
Patent: 9
13
View, Inc.
California, United States
Smart glass
Patent: 9
14
Clean Power Research LLC
California, United States
Software,Solar energy,Renewable energy system,
...[+2]
Patent: 9
15
Emerson Electric Co.
Missouri, United States
Software,Computer hardware,Electronics,
...[+2]
Patent: 9
16
Emerson Climate Technologies, Inc.
Ohio, United States
Refrigeration,Air conditioning,Automation,
...[+2]
Patent: 9
17
CalsonicKansei North America, Inc.
Tennessee, United States
Automotive engineering
Patent: 7
18
Second Nature Brands, Inc.
North Carolina, United States
Construction engineering
Patent: 6
19
Watsco Ventures LLC
United States
Corporate innovation,Asset management,Venture capital
Patent: 6
20
K&N Engineering, Inc.
California, United States
Filter (aquarium),Automotive engineering,Oil filter,
...[+2]
Patent: 6
21
Siemens Energy & Automation, Inc.
United States
Electronics,Automation,Electric utility
Patent: 6
22
Battelle Memorial Institute
Ohio, United States
Revenue code,Applied science,Gunfire locator,
...[+2]
Patent: 6
23
Valeo Climate Control Corp.
Michigan, United States
Automotive engineering
Patent: 6
24
EcoFactor, Inc.
California, United States
Energy management,Software as a service,Machine learning,
...[+2]
Patent: 6
25
Veev Group, Inc.
California, United States
Real estate development,Construction engineering,Cybercrime,
...[+2]
Patent: 5
26
Clark Equipment Co.
Indiana, United States
Tractor,Truck,Manufacturing engineering,
...[+2]
Patent: 5
27
Heatcraft Refrigeration Products LLC
United States
Refrigeration,Automation,Manufacturing engineering,
...[+2]
Patent: 5
28
Polaris Inc.
Ohio, United States
Electric vehicle,Atazanavir,Public transport,
...[+2]
Patent: 5
29
Best Technologies, Inc.
Texas, United States
Semiconductor,Electronic component
Patent: 4
30
Gentherm, Inc.
Michigan, United States
Steering wheel,Automotive engineering,Electronics,
...[+2]
Patent: 4
31
Nidec Motor Corp.
Missouri, United States
Electric motor,Electrical equipment,Electronics,
...[+2]
Patent: 4
32
Schneider Electric USA, Inc.
Illinois, United States
Distribution board,Power transmission,Electrical equipment,
...[+2]
Patent: 4
33
Magnix Usa, Inc.
United States
Patent: 4
34
Syracuse University
New York, United States
Library science,Work ethic,Psychology,
...[+2]
Patent: 4
35
Thermo King Corp.
Minnesota, United States
Truck,Supply chain management,Manufacturing engineering,
...[+2]
Patent: 4
36
Mitsubishi Electric Research Laboratories, Inc.
Massachusetts, United States
Mechatronics,Computer vision,Algorithm,
...[+1]
Patent: 4
37
Regal Beloit Americas, Inc.
Kentucky, United States
Electric motor,Coupling,Electrical equipment,
...[+2]
Patent: 4
38
Rheem Manufacturing Co.
United States
Air conditioning,Petroleum industry,Solar water heating,
...[+2]
Patent: 4
39
Optimum Energy LLC
Washington, United States
Smart meter,Software,Efficient energy use,
...[+2]
Patent: 4
40
The Boeing Co.
Illinois, United States
Aerospace,Satellite,National security,
...[+2]
Patent: 3
41
QUALCOMM, Inc.
California, United States
Telecommunications,Wireless,Mobile device,
...[+2]
Patent: 3
42
Rite-Hite Holding Corp.
Wisconsin, United States
Shutter,Safety barrier,Industrial fan,
...[+2]
Patent: 3
43
GridPoint, Inc.
Virginia, United States
Energy management,Software,Building automation,
...[+2]
Patent: 3
44
EnTouch Controls, Inc.
Texas, United States
Energy management,Energy management system,Cloud computing,
...[+2]
Patent: 3
45
Illinois Tool Works, Inc.
Illinois, United States
Adhesive,Consumables,Industrial engineering,
...[+2]
Patent: 3
46
Bergstrom, Inc.
Illinois, United States
Automotive engineering,Public transport,Climate system,
...[+2]
Patent: 3
47
Hyliion, Inc.
Texas, United States
Public transport,Electrification,Greenhouse gas,
...[+2]
Patent: 3
48
Rivian Holdings LLC
Michigan, United States
Electric vehicle
Patent: 3
49
Knorr Brake Co. LLC
United States
Rapid transit,Brake,Public transport,
...[+2]
Patent: 3
50
Grid4C, Inc.
Texas, United States
Smart grid,Software,Predictive analytics,
...[+2]
Patent: 3
51
Clean Air Group, Inc.
Connecticut, United States
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 3
52
Cummins, Inc.
Indiana, United States
Electric vehicle,Natural gas,Petroleum industry,
...[+2]
Patent: 3
53
PACCAR, Inc.
Washington, United States
Truck,Automotive engineering,Public transport,
...[+2]
Patent: 3
54
Anacove LLC
California, United States
Information technology consulting
Patent: 3
55
Flow Energy, Inc.
Oklahoma, United States
Electricity,Renewable energy
Patent: 2
56
Allied Air Enterprises LLC
South Carolina, United States
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 2
57
Enel X North America, Inc.
Massachusetts, United States
Energy management,Software,Efficient energy use,
...[+2]
Patent: 2
58
Universal Electronics, Inc.
California, United States
Home automation,Electronics,Control software,
...[+2]
Patent: 2
59
International Business Machines Corp.
New York, United States
Software,Computer hardware,Enterprise software,
...[+2]
Patent: 2
60
Walmart Apollo LLC
Arkansas, United States
Patent: 2
61
Schroff Technologies International, Inc.
Rhode Island, United States
Intelligent control,Computer hardware,Electronics,
...[+1]
Patent: 2
62
Spectronics Corp.
New York, United States
Semiconductor,Eddy-current testing,Metrology,
...[+2]
Patent: 2
63
Toyota Motor Engineering & Manufacturing North America, Inc.
Kentucky, United States
Automotive engineering,Production engineering,Production control,
...[+2]
Patent: 2
64
Trinity Rail Group LLC
Texas, United States
Fleet management,Electric locomotive,Rapid transit,
...[+2]
Patent: 2
65
My Mechanical Cloud LLC
United States
Patent: 2
66
Walmart Labs
California, United States
E-commerce,Mobile device,Categorization,
...[+2]
Patent: 2
67
Blue Leaf I.P., Inc.
Delaware, United States
Special purpose entity
Patent: 2
68
Majormega LLC
Pennsylvania, United States
Environmental effect,Software,Virtual reality
Patent: 2
69
CrowdComfort, Inc.
Massachusetts, United States
Heat map,Software as a service,Mobile device,
...[+2]
Patent: 2
70
Baker Engineering & Risk Consultants, Inc.
Texas, United States
Software,Process safety,Risk management
Patent: 2
71
Generac Power Systems, Inc.
Wisconsin, United States
Power transmission,Electrical equipment,Electronics,
...[+2]
Patent: 2
72
enVerid Systems, Inc.
Massachusetts, United States
Air conditioning,Energy storage,Energy management,
...[+2]
Patent: 2
73
Marelli Cabin Comfort Usa, Inc.
United States
Patent: 2
74
Zoox, Inc.
California, United States
Robotics,Public transport,Software,
...[+2]
Patent: 2
75
Lucid USA, Inc.
California, United States
Patent: 2
76
Resolute Building Intelligence LLC
Michigan, United States
Software,Cloud computing
Patent: 2
77
Boston University
Massachusetts, United States
Law library,Medicine,Cephalosporin,
...[+2]
Patent: 2
78
Fluid Handling LLC
New York, United States
Heat exchanger,Automation,Manufacturing engineering,
...[+2]
Patent: 2
79
Marmon/Keystone LLC
Pennsylvania, United States
Metal
Patent: 2
80
Greenheck Fan Corp.
Wisconsin, United States
Control equipment,Fast-moving consumer goods,Electronics,
...[+2]
Patent: 1
81
NEXTracker, Inc.
California, United States
Solar power,Solar energy,Renewable energy,
...[+2]
Patent: 1
82
Chicago Controls Thermostats, Inc.
United States
Patent: 1
83
Webtez, Inc.
California, United States
Seating capacity
Patent: 1
84
Fluence Energy LLC
Virginia, United States
Energy storage,Construction engineering,Flow battery,
...[+2]
Patent: 1
85
Embertec Pty Ltd.
California, United States
Microprocessor,Efficient energy use,Customer relationship management,
...[+2]
Patent: 1
86
University of Florida
United States
Professional degree,Social entrepreneurship,Distance education,
...[+2]
Patent: 1
87
State Farm Mutual Automobile Insurance Co.
Tennessee, United States
Property insurance,Automobile insurance,Disability insurance,
...[+2]
Patent: 1
88
AQC Industries LLC
Minnesota, United States
Patent: 1
89
ProChemTech International, Inc.
Pennsylvania, United States
Water treatment,Automation,Industrial engineering,
...[+2]
Patent: 1
90
Arzel Technology, Inc.
Ohio, United States
Air conditioning,Automation,Manufacturing engineering,
...[+2]
Patent: 1
91
Blue Box Air LLC
Texas, United States
Filtration,Automation,Manufacturing engineering,
...[+2]
Patent: 1
92
Centrica Business Solutions US, Inc.
Texas, United States
Patent: 1
93
Griswold Controls
California, United States
Cartridge,Automation,Manufacturing engineering,
...[+2]
Patent: 1
94
Mitsubishi Electric US, Inc.
California, United States
Automation,Photovoltaics,Air conditioning,
...[+2]
Patent: 1
95
Evergreen UV LLC
Tennessee, United States
Bulb,Electronics
Patent: 1
96
EnerAllies, Inc.
California, United States
Software,Internet of Things,Machine learning,
...[+2]
Patent: 1
97
Tesla, Inc.
Texas, United States
Electric vehicle,Electronics,Automotive engineering,
...[+2]
Patent: 1
98
Microsoft Technology Licensing LLC
Washington, United States
Franchise agreement
Patent: 1
99
K4Connect, Inc.
North Carolina, United States
Software,Web development,Health care,
...[+2]
Patent: 1
100
EnergyHub, Inc.
New York, United States
Energy management,Power consumption,Demand response,
...[+2]
Patent: 1

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