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Top 50 Key Players companies in Gas heater
by Most Patent Citation in the United States in 2020

The Gas heater top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Citation Gas heater Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.
#
Company Name
Region
Tech Topics
Total
1
patent citation: 81
2
patent citation: 79
3
patent citation: 73
4
Hearth,Fast-moving consumer goods,Radiator (engine cooling),
...[+2]
patent citation: 63
5
patent citation: 59
6
patent citation: 58
7
Shopping mall,Truck
patent citation: 51
8
patent citation: 41
9
patent citation: 40
10
patent citation: 40
11
Aerospace,National security,Missile,
...[+1]
patent citation: 37
12
patent citation: 34
13
patent citation: 29
14
patent citation: 28
15
Lifestyle business,Robot,Robotics,
...[+2]
patent citation: 27
16
patent citation: 27
17
patent citation: 25
18
patent citation: 24
19
patent citation: 24
20
patent citation: 24
21
Web design,Health care,Content marketing,
...[+2]
patent citation: 21
22
patent citation: 21
23
patent citation: 20
24
patent citation: 18
25
patent citation: 18
26
patent citation: 16
27
patent citation: 16
28
patent citation: 14
29
Carbotech, Inc.
patent citation: 14
30
patent citation: 13
31
patent citation: 12
32
Vacuum cleaner,Distributor,Fast-moving consumer goods
patent citation: 11
33
patent citation: 11
34
patent citation: 9
35
patent citation: 9
36
patent citation: 9
37
patent citation: 7
38
Aerospace,National security,Aerospace systems,
...[+2]
patent citation: 6
39
Missile,National security,Aerospace,
...[+2]
patent citation: 6
40
patent citation: 6
41
patent citation: 5
42
patent citation: 5
43
patent citation: 5
44
patent citation: 5
45
Aerospace,Laser,National security,
...[+2]
patent citation: 4
46
Medical equipment,Smoke,Health care,
...[+2]
patent citation: 4
47
patent citation: 4
48
patent citation: 3
49
patent citation: 3
50
patent citation: 2
Page generation time: Jun 21 2025