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Top 100 Key Players companies in Gas heater
by Most Patent Filings in the China in 2021

The Gas heater top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings Gas heater Key Players in the China. 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.
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.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

South Korea

Germany

United States

France

Denmark

United Kingdom

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Guangdong Macro Gas Appliance Co., Ltd.
Guangdong Sheng, China
Air purifier,Electronics,Heating system
Patent: 173
2
Guangdong Vanward New Electric Co., Ltd.
Guangdong Sheng, China
Smoke,Stove,Electronics,
...[+2]
Patent: 100
3
Midea Group Co. Ltd.
Jilin, China
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
Patent: 57
4
Shuangliang Eco-Energy Systems Co., Ltd.
Jiangsu Sheng, China
Air conditioning,Chiller,Conditioning equipment,
...[+2]
Patent: 26
5
Chinabest Home Appliance Co. Ltd.
Guangdong Sheng, China
Stove,Electronics,Electric stove,
...[+2]
Patent: 19
6
Huaneng Clean Energy Research Institute
Beijing Shi, China
Petroleum coke
Patent: 19
7
Ningbo Fotile Kitchenware Co. Ltd.
China
Electronics,Stove,Vacuum cleaner,
...[+2]
Patent: 17
8
Hunan Sundy Science & Technology Co., Ltd.
Hunan Sheng, China
Calorimeter,Mechanical engineering,Manufacturing engineering,
...[+1]
Patent: 13
9
Jiangsu Gardensun Furnace Co. Ltd.
Jiangsu Sheng, China
Electronics
Patent: 13
10
A. O. Smith (China) Water Heater Co., Ltd.
Jiangsu Sheng, China
Water treatment,Management system,Refrigeration
Patent: 12
11
Huadian Electric Power Research Institute Co., Ltd.
Zhejiang Sheng, China
Hydropower,Energy technology
Patent: 11
12
Taiwan Sakura Corp.
Taiwan Province, China
Stove,Water treatment,Electronics,
...[+2]
Patent: 9
13
Shanghai OTT Electrical Co. Ltd.
China
Patent: 9
14
China Petroleum & Chemical Corp.
Beijing Shi, China
Petrochemical,Petroleum,Enterprise software,
...[+2]
Patent: 8
15
Datang Environment Industry Group Co., Ltd.
Beijing Shi, China
Energy conservation,Environmental protection,Denitrification,
...[+2]
Patent: 8
16
Changzhou Wellife Furnace Co. Ltd.
Jiangsu Sheng, China
Patio,Automation,Manufacturing engineering,
...[+2]
Patent: 8
17
Xi'an Thermal Power Research Institute Co., Ltd.
Shaanxi Sheng, China
Patent: 8
18
Jomoo Kitchen & Bathroom Appliances Co. Ltd.
China
Patent: 8
19
State Grid Corp. of China
Beijing Shi, China
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 7
20
Guangdong Xiangji Electrical Appliance Co., Ltd.
Guangdong Sheng, China
Patent: 7
21
Ningbo APG Appliance & Technology Co., Ltd.
China
Patent: 7
22
Haier Group Corp.
Shandong Sheng, China
Electronics,Power transmission,Interior design,
...[+2]
Patent: 6
23
China National Petroleum Corp.
Beijing Shi, China
Natural gas,Petroleum industry,Renewable energy,
...[+2]
Patent: 6
24
Joyoung Co., Ltd.
Shandong Sheng, China
Electronics,Cooker,Microwave,
...[+2]
Patent: 6
25
China Petroleum Engineering & Construction Corp.
Beijing Shi, China
Petroleum industry,Construction engineering,Petroleum engineering,
...[+2]
Patent: 6
26
CNOOC Gas & Power Group Co., Ltd.
Beijing Shi, China
Patent: 6
27
Harbin Boiler Co., Ltd.
Heilongjiang Sheng, China
Boiler (power generation),Recovery boiler,Automation,
...[+2]
Patent: 6
28
Huaneng Group Technology Innovation Center
China
Patent: 6
29
Yantai Longyuan Heat-Exchange Equipment Co., Ltd.
Shandong Sheng, China
Thermal energy,Thermal,Automation,
...[+2]
Patent: 6
30
China National Offshore Oil Corp.
Beijing Shi, China
Natural gas,China sea,Petroleum industry,
...[+2]
Patent: 5
31
Guangdong Chant Group, Inc.
Guangdong Sheng, China
Petroleum industry,Biomass,Bioenergy,
...[+2]
Patent: 4
32
China Shenhua Energy Co., Ltd.
Beijing Shi, China
Coal,Coal mining,Electricity,
...[+2]
Patent: 4
33
Anhui Ankai Automobile Co., Ltd.
Anhui Sheng, China
Electric bus,Public transport,Monocoque,
...[+2]
Patent: 4
34
Glasstech, Inc.
Shanghai Shi, China
Glazing,Tempering,Metalworking,
...[+2]
Patent: 4
35
China Sinogy Electric Engineering Co., Ltd.
Shanghai Shi, China
Construction engineering,Project management
Patent: 4
36
Sichuan Golden-elephant Sincerity Chemical Co.Ltd.
Sichuan Sheng, China
Agriculture,Chemical engineering
Patent: 4
37
Hepu Energy Environmental Technology Co., Ltd.
Beijing Shi, China
Environmental technology
Patent: 4
38
Cixi Tianxing Electric Co. Ltd.
China
Patent: 4
39
Shanghai Rinnai Co., Ltd.
Shanghai Shi, China
Patent: 4
40
North China Electric Power Research Institute Co., Ltd.
Beijing Shi, China
Power transmission
Patent: 4
41
Nanjing Shengnuo Heat Pipe Co. Ltd.
Jiangsu Sheng, China
Heat pipe,Automation,Metal,
...[+2]
Patent: 4
42
BorgWarner Emissions Systems (Ningbo) Co., Ltd.
China
Automotive engineering
Patent: 4
43
Chongqing Haier Water Heater Co., Ltd.
Chongqing Shi, China
Patent: 4
44
Weichai Power Co., Ltd.
Shandong Sheng, China
Diesel engine,Spark plug,Gasoline,
...[+2]
Patent: 3
45
SINOPEC Engineering (Group) Co., Ltd.
Beijing Shi, China
Construction engineering,Chemical engineering,Oil well,
...[+2]
Patent: 3
46
China Huaneng Group Co., Ltd.
Beijing Shi, China
Power transmission,Hydropower,Environmental protection,
...[+2]
Patent: 3
47
Beijing Guodian Longyuan Environmental Engineering Co., Ltd.
Beijing Shi, China
Environmental protection,Flue-gas desulfurization,Air pollution,
...[+2]
Patent: 3
48
China ENFI Engineering Corp.
Beijing Shi, China
Construction engineering,Mining engineering,Light metal,
...[+2]
Patent: 3
49
Beijing Petrochemical Engineering Co., Ltd.
Beijing Shi, China
Petroleum engineering,Chemical engineering,Petrochemical
Patent: 3
50
Shenhua Beijing Guohua Power Co. Ltd.
Beijing Shi, China
Offshore wind power,Wind power,Power transmission
Patent: 3
51
Hangzhou Energy & Environmental Engineering Co. Ltd.
Zhejiang Sheng, China
Electronics,Environmental engineering
Patent: 3
52
Shanghai Donghua Environment Engineering Corp.
China
Patent: 3
53
Inner Mongolia Yitai Cto Co. Ltd.
China
Patent: 3
54
Southwest Research & Design Institute of Chemical Industry
Sichuan Sheng, China
Chemical industry,Chemical engineering
Patent: 3
55
Chemtex (Shanghai) Chemical Engineering Co., Ltd.
Shanghai Shi, China
Petrochemical,Construction engineering,Chemical engineering
Patent: 3
56
Tus Environmental Science & Technology Development Co., Ltd.
Hubei Sheng, China
Sewage treatment,Waste collection,Environmental consulting,
...[+2]
Patent: 2
57
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Electronics,Conditioners,Air conditioning,
...[+2]
Patent: 2
58
Huaneng Power International, Inc.
Beijing Shi, China
Electronics,Power transmission,Electricity,
...[+2]
Patent: 2
59
Sinopec Oilfield Service Corp.
Beijing Shi, China
Drilling engineering,Petroleum industry,Natural resource management,
...[+2]
Patent: 2
60
Vatti Corp. Ltd.
Guangdong Sheng, China
Solar energy,Microwave,Stove,
...[+2]
Patent: 2
61
Wuxi Huaguang Environment & Energy Group Co., Ltd.
Jiangsu Sheng, China
Industrial engineering,Boiler (power generation),Supercapacitor,
...[+2]
Patent: 2
62
Shandong Sunway Chemical Group Co., Ltd.
Shandong Sheng, China
Petrochemical,Chemical industry,Construction engineering,
...[+2]
Patent: 2
63
Wuxi Hongsheng Heat Exchanger Manufacturing Co., Ltd.
Jiangsu Sheng, China
Heat exchanger,Automotive engineering,Electronics,
...[+2]
Patent: 2
64
Hangzhou Zhongtai Cryogenic Technology Corp.
Zhejiang Sheng, China
Cryogenic technology,Chemical engineering,Electronics,
...[+2]
Patent: 2
65
Jiangsu Lanchuang Intelligent Technology Co., Ltd.
Jiangsu Sheng, China
Software,Enterprise software,Intelligent control,
...[+2]
Patent: 2
66
Kailong High Technology Co., Ltd.
Jiangsu Sheng, China
Selective catalytic reduction,Gasoline,Automotive engineering,
...[+2]
Patent: 2
67
Daqing Oilfield Co., Ltd.
Beijing Shi, China
Hexane,Petroleum industry
Patent: 2
68
Hunan Valin Xiangtan Iron & Steel Co., Ltd.
Hunan Sheng, China
Sintering,Steelmaking,Natural resource management,
...[+1]
Patent: 2
69
Shandong Hong'Ao Power Technology Co. Ltd.
Shandong Sheng, China
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 2
70
Baosteel Engineering & Technology Group Co. Ltd.
Shanghai Shi, China
Environmental engineering,Construction engineering
Patent: 2
71
North China Power Engineering Co. Ltd.
Beijing Shi, China
Solar power,Solar thermal energy,Parabolic trough,
...[+1]
Patent: 2
72
Guangxi Yuchai Machinery Group Co., Ltd.
China
Internal combustion engine,Automotive engineering,Diesel engine,
...[+1]
Patent: 2
73
Shenwu Technology Group Co., Ltd.
Chongqing Shi, China
Patent: 2
74
Ningbo China Stirling Engine Manufacturing Co., Ltd.
China
Patent: 2
75
Henan Xinlianxin Chemical Industry Group Co., Ltd.
China
Fertilizer,Agriculture,Chemical engineering
Patent: 2
76
Jiangsu Jinyang Energy & Environment Engineering Co., Ltd.
Jiangsu Sheng, China
Air preheater,Automation,Manufacturing engineering,
...[+2]
Patent: 2
77
Seven Universe Industrial Co., Ltd.
Taiwan Province, China
Universe,Automation,Industrial engineering,
...[+2]
Patent: 2
78
Suzhou Powergreen Emission Solution System Co. Ltd.
Jiangsu Sheng, China
Selective catalytic reduction,Automation,Manufacturing engineering,
...[+2]
Patent: 2
79
Shandong Qilu Petrochemical Engineering Co. Ltd.
Shandong Sheng, China
Petrochemical,Chemical engineering
Patent: 2
80
Kaifeng Air Separation Group Co. Ltd.
Henan Sheng, China
Patent: 2
81
Suzhou Youyuan Environmental Technology Co. Ltd.
Jiangsu Sheng, China
Environmental technology,Automation,Manufacturing engineering,
...[+2]
Patent: 2
82
China City Environment Protection Engineering Ltd. Co.
Hubei Sheng, China
Patent: 2
83
Beijing Yanhua Construction Engineering Co. Ltd.
Beijing Shi, China
Patent: 2
84
Research Institute of Nanjing Chemical Industry Group
Jiangsu Sheng, China
Patent: 2
85
Guangdong Dehe Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
86
Guangzhou Redsun Gas Appliances Co. Ltd.
China
Patent: 2
87
Guangzhou Devotion Domestic Boilers Manufacturing Co., Ltd.
Guangdong Sheng, China
Heating system,Product name,Refrigeration
Patent: 2
88
Zing Semiconductor Corp.
Shanghai Shi, China
Patent: 2
89
Hainan Handi Sunshine Petrochemical Co., Ltd.
China
Patent: 2
90
Shanghai Power Equipment Research Institute Co. Ltd.
China
Patent: 2
91
Shandong Guoshun Construction Group Co. Ltd.
China
Patent: 2
92
Ningbo Shuaikang Water Heater Co. Ltd.
China
Patent: 2
93
Tianjin Hongyuan Titanium Iron Co. Ltd.
China
Patent: 2
94
Nantong Meileda Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
95
Zhongshan Powtek Appliances Mfg Ltd.
China
Patent: 2
96
Zhuzhou Xinao Gas Co., Ltd.
China
Patent: 2
97
Zhongshan Xiangfeng Gas Appliance Ware Co. Ltd.
China
Patent: 2
98
Tianhua Institute of Chemical Machinery & Automation
Gansu Sheng, China
Automation
Patent: 2
99
Sinosteel Anshan Research Institute of Thermo-Energy Co. Ltd.
Liaoning Sheng, China
Coal,Coal product,Coke,
...[+1]
Patent: 2
100
Huatian Engineering & Technology Corp.
China
Patent: 2

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