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Top 100 Key Players companies in AC asynchronous motor
by Most Patent Citation in the United States in 2021

The AC asynchronous motor top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation AC asynchronous motor Key Players 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.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

Germany

United States

South Korea

United Kingdom

France

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Westinghouse Electric Co. LLC
Pennsylvania, United States
Nuclear power plant,Pressurized water reactor,Power transmission,
...[+2]
patent citation: 872
2
General Motors Co.
Michigan, United States
Sport utility vehicle,Public transport,Enterprise software,
...[+2]
patent citation: 844
3
Emerson Electric Co.
Missouri, United States
Software,Computer hardware,Electronics,
...[+2]
patent citation: 732
4
Otis Elevator Co.
Connecticut, United States
Elevator,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 723
5
Siemens Energy & Automation, Inc.
United States
Electronics,Automation,Electric utility
patent citation: 514
6
Nidec Motor Corp.
Missouri, United States
Electric motor,Electrical equipment,Electronics,
...[+2]
patent citation: 365
7
Power Efficiency Corp.
Nevada, United States
Efficient energy use,Power transmission,Electronic component,
...[+2]
patent citation: 360
8
Rangaire, Inc.
South Carolina, United States
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 271
9
Reliance Electric Technologies LLC
Ohio, United States
patent citation: 271
10
Computational Systems, Inc.
Tennessee, United States
Control theory,Proactive maintenance,Peripheral,
...[+1]
patent citation: 259
11
Siemens VDO Automotive Corp.
Michigan, United States
Automotive engineering,Automotive electronics,Fuel injection
patent citation: 253
12
Zurn Water Solutions Corp.
Wisconsin, United States
Motion control,Industrial engineering,Turbine,
...[+2]
patent citation: 227
13
Rockwell Automation Technologies, Inc.
Minnesota, United States
Semiconductor,Automation,Electronic component
patent citation: 215
14
ABB Automation, Inc.
United States
Automation,Manufacturing engineering,Mechanical engineering,
...[+2]
patent citation: 188
15
Continental Automotive Systems, Inc.
Michigan, United States
Automotive engineering,New Car Assessment Program,Automotive systems,
...[+2]
patent citation: 182
16
Bristol Compressors International, Inc.
Virginia, United States
Refrigeration,Reciprocating compressor,Air compressor,
...[+2]
patent citation: 179
17
PACECO Corp.
California, United States
Gantry crane,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 156
18
Hamilton Sundstrand Corp.
North Carolina, United States
Aerospace,Control system,National security,
...[+2]
patent citation: 154
19
Englishco LLC
New York, United States
patent citation: 152
20
U.S. Well Services LLC
Texas, United States
Oil field,Petroleum industry,Natural resource management,
...[+2]
patent citation: 145
21
Pacesetter, Inc.
California, United States
Health care
patent citation: 137
22
Trane International, Inc.
North Carolina, United States
Building management,Automation,Manufacturing engineering,
...[+2]
patent citation: 136
23
Milacron LLC
Ohio, United States
Hot runner,Polystyrene,Plastics engineering,
...[+2]
patent citation: 127
24
Fujitsu Microelectronics America, Inc.
California, United States
Semiconductor,Microelectronics,Electronic component,
...[+2]
patent citation: 125
25
Polaris Inc.
Ohio, United States
Electric vehicle,Atazanavir,Public transport,
...[+2]
patent citation: 119
26
FCA US LLC
Michigan, United States
Automotive engineering,Spark plug,Turbocharger,
...[+2]
patent citation: 111
27
ABB Power Distribution, Inc.
West Virginia, United States
patent citation: 111
28
Franklin Electric Co., Inc.
Indiana, United States
Electric motor,Electrical equipment,AC motor,
...[+2]
patent citation: 105
29
Southwest Electric Co.
Oklahoma, United States
Product design,Electrical equipment,Electric motor,
...[+2]
patent citation: 104
30
U.S. Philips Corp.
Pennsylvania, United States
patent citation: 99
31
Enviro World Systems, Inc.
United States
patent citation: 89
32
AlliedSignal, Inc.
Indiana, United States
Aerospace,Automotive engineering,Aerospace systems,
...[+2]
patent citation: 88
33
Ac Propulsion, Inc.
California, United States
Electric vehicle,Electrical equipment,Electronics,
...[+2]
patent citation: 87
34
BSH Home Appliances Corp.
California, United States
Washer,Electronics
patent citation: 87
35
Siemens Dematic Postal Automation LP
Texas, United States
patent citation: 86
36
Rockwell International Corp.
Wisconsin, United States
Automation,Computer hardware,Electronics
patent citation: 85
37
KB Electronics, Inc.
United States
Electric motor,Electronics,Computer hardware,
...[+2]
patent citation: 80
38
Thor Technologies
California, United States
Independent contractor,Software as a service,Software,
...[+1]
patent citation: 80
39
Viking Range Corp.
Mississippi, United States
patent citation: 80
40
Tecumseh Products Co. LLC
Michigan, United States
Refrigeration,Scroll compressor,Air conditioning,
...[+2]
patent citation: 79
41
United Technologies
Connecticut, United States
Aerospace,Public transport,Building automation,
...[+2]
patent citation: 79
42
Halliburton Energy Services, Inc.
Texas, United States
Natural gas,Submersible pump,Centrifugal pump,
...[+2]
patent citation: 73
43
Ericsson, Inc.
Texas, United States
Wireless,Telecommunications,Transmitter,
...[+2]
patent citation: 73
44
Electric Motors & Specialties, Inc.
Indiana, United States
Electronics
patent citation: 73
45
Piller USA, Inc.
New York, United States
Electronics,Power transmission,Turbine
patent citation: 71
46
Atlas Energy Systems, Inc.
Illinois, United States
Nuclear engineering,Petroleum industry,Renewable energy,
...[+2]
patent citation: 70
47
The Boeing Co.
Illinois, United States
Aerospace,Satellite,National security,
...[+2]
patent citation: 69
48
Square D Co.
Illinois, United States
Electrical equipment,Power transmission,Electronics,
...[+1]
patent citation: 67
49
Bluffton Motor Works LLC
Indiana, United States
Electronics,Horsepower,Electric motor,
...[+2]
patent citation: 62
50
Spellman High-Voltage Electronics Corp.
New York, United States
High voltage,Telecommunications,Health care,
...[+2]
patent citation: 61
51
Beckman Instruments, Inc.
Indiana, United States
Medicine,Guidance system
patent citation: 60
52
ENCON International, Inc.
Texas, United States
Environmental consulting,Materials testing,Geotechnical engineering,
...[+2]
patent citation: 60
53
American Superconductor Corp.
Massachusetts, United States
Energy management,Environmental engineering,Solar energy,
...[+2]
patent citation: 57
54
Advanced Propulsion Technologies, Inc.
California, United States
Piston
patent citation: 57
55
Joy Global Underground Mining LLC
Wisconsin, United States
High productivity,Manufacturing engineering,Mechanical engineering,
...[+2]
patent citation: 57
56
Tappan Co.
New Jersey, United States
patent citation: 56
57
Tesla, Inc.
Texas, United States
Electric vehicle,Electronics,Automotive engineering,
...[+2]
patent citation: 54
58
Regents of The University of Michigan
Michigan, United States
Cardiovascular agent,Drug marketing,Asset management
patent citation: 53
59
Contraves - Goerz Corp.
Pennsylvania, United States
patent citation: 53
60
Carco Electronics
California, United States
Motion simulator,Electronics,Computer hardware
patent citation: 53
61
TPI Composites, Inc.
Arizona, United States
Wind power,Turbine,Composite material,
...[+2]
patent citation: 52
62
Von Weise USA, Inc.
Missouri, United States
Industrial engineering,Computer hardware,Electronics,
...[+1]
patent citation: 52
63
Phoenix Controls Corp.
Massachusetts, United States
Airflow,Efficient energy use,Product design,
...[+2]
patent citation: 50
64
SMC Electrical Products, Inc.
West Virginia, United States
Starter,Electronics
patent citation: 50
65
White Consolidated Industries, Inc.
Ohio, United States
Electronics
patent citation: 47
66
Marathon Oil Co.
Texas, United States
Natural gas,Petroleum industry,Drilling fluid,
...[+2]
patent citation: 47
67
Johnson Controls Technology Co.
Wisconsin, United States
patent citation: 47
68
Linear International
United States
patent citation: 47
69
Precise Power Corp.
United States
Electronics
patent citation: 46
70
Ebara International Corp.
Nevada, United States
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 46
71
International Business Machines Corp.
New York, United States
Software,Computer hardware,Enterprise software,
...[+2]
patent citation: 45
72
Kone, Inc.
Illinois, United States
Elevator,Doors
patent citation: 45
73
Yaskawa America, Inc.
Illinois, United States
Computer hardware,Electrical equipment,Technical support,
...[+2]
patent citation: 45
74
Unitrode Corp.
New Hampshire, United States
Semiconductor,Power management,Electronic component
patent citation: 45
75
Lucid USA, Inc.
California, United States
patent citation: 45
76
NEI Corp.
New Jersey, United States
Coating,Nanotechnology,Synthetic rubber,
...[+2]
patent citation: 40
77
Marshall Industries
California, United States
Electronic component,Electronics,Peripheral,
...[+2]
patent citation: 39
78
Visteon Global Technologies, Inc.
Michigan, United States
Automotive engineering
patent citation: 39
79
Litton Industries, Inc.
California, United States
Electronics,Radio wave,Vacuum tube
patent citation: 36
80
ITT Automotive Electrical Systems, Inc.
New York, United States
Electronics
patent citation: 36
81
Chicago Bridge & Iron Co.
Illinois, United States
Supply chain management,Geothermal energy,Construction engineering,
...[+2]
patent citation: 35
82
Robbins & Myers, Inc.
Texas, United States
Pharmaceutical market,Tunnel boring machine,Chemical engineering,
...[+2]
patent citation: 34
83
Harlan Global Manufacturing LLC
Kansas, United States
Tractor,Automotive engineering,Truck
patent citation: 33
84
Eastman Kodak Co.
New York, United States
3D printing,Photography,Digital media,
...[+2]
patent citation: 32
85
Exxon Mobil Corp.
Texas, United States
Petroleum,Petroleum industry,Chemical engineering,
...[+2]
patent citation: 31
86
Mobil Corp.
Texas, United States
Petroleum industry,Petroleum,Natural gas
patent citation: 31
87
Kearney & Trecker Corp.
Wisconsin, United States
patent citation: 31
88
Briggs & Stratton Corp.
Wisconsin, United States
Robotic lawn mower,Gasoline,Turbine,
...[+2]
patent citation: 30
89
JPE, Inc.
Michigan, United States
Automotive engineering,Public transport,Truck,
...[+2]
patent citation: 30
90
Power Distribution, Inc.
Virginia, United States
Electrical equipment,Mechanical engineering,Power distribution unit,
...[+2]
patent citation: 29
91
Dial Manufacturing, Inc.
Arizona, United States
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 29
92
NuWave LLC
Illinois, United States
Stove,Electronics
patent citation: 29
93
Ingersoll-Rand Co.
North Carolina, United States
Automation,Mechanical engineering,Manufacturing engineering,
...[+2]
patent citation: 28
94
Clayton Industries
California, United States
Boiler (power generation),Superheated steam,Steam generation,
...[+2]
patent citation: 27
95
Textron, Inc.
Rhode Island, United States
Industrial engineering,Aerospace,Aviation,
...[+2]
patent citation: 26
96
ISG Technology, Inc.
Kansas, United States
Information technology consulting,Systems design,Radiology information systems,
...[+2]
patent citation: 25
97
Vapor
New York, United States
Electronic cigarette,Cannabis,Product design,
...[+2]
patent citation: 25
98
Lockheed Martin Energy Systems, Inc.
North Carolina, United States
patent citation: 25
99
Actemium Cegelec Corp.
Pennsylvania, United States
patent citation: 25
100
The Black & Decker Corp.
United States
Power tool,Computer hardware,Warehouse,
...[+2]
patent citation: 24

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