Top 100 Key Players companies in Liquefied natural gas by Highest Patent Value in the China in 2021 – Discovery

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The Liquefied natural gas top 100 is Discovery PatSnap’ annual ranking of the top 100 Highest Patent Value Liquefied natural gas 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.

Liquefied natural gas (LNG) is natural gas (predominantly methane, CH₄, with some mixture of ethane, C₂H₆) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume of natural gas in the gaseous state (at standard conditions for temperature and pressure). It is odorless, colorless, non-toxic and non-corrosive. Hazards include flammability after vaporization into a gaseous state, freezing and asphyxia. The liquefaction process involves removal of certain components, such as dust, acid gases, helium, water, and heavy hydrocarbons, which could cause difficulty downstream. The natural gas is then condensed into a liquid at close to atmospheric pressure by cooling it to approximately −162 °C (−260 °F); maximum transport pressure is set at around 25 kPa (4 psi).

1	Total Co. Ltd.	China	Industrial engineering	Avg patent value: 965,900
2	Research Institute of Nanjing Chemical Industry Group	Jiangsu Sheng, China		Avg patent value: 248,750
3	Ningbo BaoSi Energy Equipment Co., Ltd.	Zhejiang Sheng, China	Screw,Manufacturing engineering,Precious metal, ...[+2]	Avg patent value: 180,000
4	Xindi Energy Engineering Technology Co. Ltd.	Hebei Sheng, China	Energy engineering,Construction engineering,Natural gas	Avg patent value: 168,954
5	Liaohe Petroleum Exploration Bureau Co., Ltd.	Liaoning Sheng, China	Petroleum,Petroleum product,Petroleum industry	Avg patent value: 160,000
6	HuaDian Heavy Industries Co., Ltd.	Beijing Shi, China	Manufacturing engineering,Energy management,Coal, ...[+2]	Avg patent value: 150,000
7	Changzheng Engineering Co. Ltd.	Beijing Shi, China	Chemical engineering,Coal gasifier,Construction engineering, ...[+2]	Avg patent value: 150,000
8	China Energy Investment Corp., Ltd.	Beijing Shi, China	Coal,Coal liquefaction,Renewable energy, ...[+2]	Avg patent value: 140,000
9	Shandong Taishan Steel Group Co. Ltd.	Shandong Sheng, China	Mining engineering,Natural resource management,Metal, ...[+1]	Avg patent value: 140,000
10	National Institute of Clean & Low Carbon Energy	China		Avg patent value: 140,000
11	Wuhan Marine Machinery Plant Co., Ltd.	Hubei Sheng, China	Shipbuilding,Mechanical engineering,Manufacturing engineering	Avg patent value: 140,000
12	Baoshan Iron & Steel Co., Ltd.	Shanghai Shi, China	Carbon steel,Irone,Mining engineering, ...[+2]	Avg patent value: 122,000
13	Suzhou Jufeng Electrical Insulation System Co., Ltd.	Jiangsu Sheng, China	Insulation system,Electronics	Avg patent value: 120,000
14	Anhui Ankai Automobile Co., Ltd.	Anhui Sheng, China	Electric bus,Public transport,Monocoque, ...[+2]	Avg patent value: 110,000
15	Daqing Oilfield Construction Group Co., Ltd.	Heilongjiang Sheng, China	Petroleum engineering,Petroleum industry	Avg patent value: 110,000
16	Daqing Petroleum Administration Bureau	Heilongjiang Sheng, China		Avg patent value: 110,000
17	Shandong Sunway Chemical Group Co., Ltd.	Shandong Sheng, China	Petrochemical,Chemical industry,Construction engineering, ...[+2]	Avg patent value: 103,500
18	Beijing Supercontrol Bright Petroleum Technology Co. Ltd.	China		Avg patent value: 99,000
19	China Petroleum Pipeline Bureau Co. Ltd.	Hebei Sheng, China	Petroleum,Petroleum industry,Natural resource management, ...[+2]	Avg patent value: 93,000
20	China Petroleum Pipeline Machinery Manufacturing Co. Ltd.	China		Avg patent value: 93,000
21	Qingdao Lianxin Catalytic Materials Co. Ltd.	Shandong Sheng, China	Petrochemical,Chemical engineering,Nanotechnology, ...[+2]	Avg patent value: 89,333
22	Sichuan Jinxing Clean Energy Equipment Co. Ltd.	Gansu Sheng, China	Piston,National security,Aerospace, ...[+2]	Avg patent value: 88,000
23	China Petroleum Engineering Co. Ltd.	China	Petroleum engineering,Construction engineering	Avg patent value: 86,700
24	Zhejiang Zheneng Gas Co. Ltd.	Zhejiang Sheng, China		Avg patent value: 86,700
25	PanGang Group Chengdu Steel & Vanadium Co. Ltd.	Sichuan Sheng, China	Vanadium,Ferroalloy,Mining engineering, ...[+2]	Avg patent value: 84,000
26	Cnooc Research Institute Co. Ltd.	Beijing Shi, China		Avg patent value: 83,700
27	Shanghai Electric Holding Group Co., Ltd.	Shanghai Shi, China	Power transmission,Turbine,Wind power, ...[+2]	Avg patent value: 83,000
28	Hengyu Group Hydraulic Fluid Technology Hebei Co., Ltd.	Hebei Sheng, China	Hydraulic fluid,Product group	Avg patent value: 82,000
29	SINOPEC Shanghai Engineering Co., Ltd.	Shanghai Shi, China		Avg patent value: 79,000
30	Shenwu Technology Group Co., Ltd.	Chongqing Shi, China		Avg patent value: 78,000
31	Southwest Research & Design Institute of Chemical Industry	Sichuan Sheng, China	Chemical industry,Chemical engineering	Avg patent value: 77,623
32	Henan Shunda New Energy Technology Co., Ltd.	Henan Sheng, China		Avg patent value: 77,500
33	China Petroleum & Chemical Corp.	Beijing Shi, China	Petrochemical,Petroleum,Enterprise software, ...[+2]	Avg patent value: 76,296
34	Chongqing Innoeation Measure Equipment Joint-Stock Co., Ltd.	Chongqing Shi, China	Natural gas,Computer hardware,Electronics	Avg patent value: 76,171
35	Xuzhou Heavy Machinery Co., Ltd.	Jiangsu Sheng, China	Truck,Mechanical engineering,Manufacturing engineering	Avg patent value: 76,000
36	Tianjin TEDA Binhai Clean Energy Group Co., Ltd.	Tianjin Shi, China	Natural gas,Petroleum industry,Liquefied petroleum gas, ...[+1]	Avg patent value: 76,000
37	Hangzhou Zhongtai Cryogenic Technology Corp.	Zhejiang Sheng, China	Cryogenic technology,Chemical engineering,Electronics, ...[+2]	Avg patent value: 73,500
38	Sinosteel Anshan Research Institute of Thermo-Energy Co. Ltd.	Liaoning Sheng, China	Coal,Coal product,Coke, ...[+1]	Avg patent value: 71,750
39	Henan Mingtai Al. Industrial Co., Ltd.	Henan Sheng, China	Aluminium foil,Aluminium alloy,Precious metal, ...[+2]	Avg patent value: 71,000
40	Shanghai Qiyao Screw Machinery Co., Ltd.	China		Avg patent value: 71,000
41	Anhui Jianghuai Automobile Group Corp. Ltd.	Anhui Sheng, China	Chassis,Automotive engineering,Truck, ...[+2]	Avg patent value: 67,000
42	Shanghai Fei'ao Gas Equipment Co., Ltd.	China	Natural gas	Avg patent value: 66,000
43	Sedin Engineering Co., Ltd.	Shanxi Sheng, China		Avg patent value: 64,846
44	PetroChina Co., Ltd.	Beijing Shi, China	Natural gas,Petroleum,Lubricant, ...[+2]	Avg patent value: 62,210
45	Shanghai Baosteel Gases Co., Ltd.	Shanghai Shi, China	Mining engineering,Natural resource management,Industrial gas, ...[+2]	Avg patent value: 61,000
46	Beijing Encryo Engineering Co., Ltd.	Beijing Shi, China	Natural-gas processing,Petroleum industry,Natural gas	Avg patent value: 59,300
47	Chongqing Zaisheng Technology Co., Ltd.	Chongqing Shi, China	Glass fiber,Manufacturing engineering,Microfiber, ...[+1]	Avg patent value: 59,000
48	Hefei General Machinery Research Institute Co. Ltd.	Hebei Sheng, China	Petroleum industry,Natural resource management	Avg patent value: 56,040
49	Shanghai Gas Group Co. Ltd.	Shanghai Shi, China	Natural gas,Petroleum industry,Manufactured gas, ...[+1]	Avg patent value: 53,000
50	Shaanxi Heimao Coking Co., Ltd.	Shaanxi Sheng, China	Coal,Coal tar,Petroleum industry, ...[+2]	Avg patent value: 52,200
51	GS Enginering & Construction	China		Avg patent value: 52,000
52	Shenzhen Fugui Precision Industry Co., Ltd.	Guangdong Sheng, China		Avg patent value: 51,000
53	Zhangjiagang Furui Special Equipment Co., Ltd.	Jiangsu Sheng, China	Petroleum industry,Pressure vessel,Refrigeration, ...[+2]	Avg patent value: 50,935
54	CNOOC Oil & Petrochemicals Co., Ltd.	Beijing Shi, China	Petrochemical,Chemical engineering,Ethylene, ...[+2]	Avg patent value: 49,725
55	Jereh Oil & Gas Engineering Corp.	China		Avg patent value: 47,771
56	SINOPEC Engineering (Group) Co., Ltd.	Beijing Shi, China	Construction engineering,Chemical engineering,Oil well, ...[+2]	Avg patent value: 47,133
57	China TianChen Engineering Corp.	China	Information technology consulting	Avg patent value: 45,650
58	Wuhuan Engineering Co. Ltd.	Hubei Sheng, China	Chemical industry,Construction engineering,Fertilizer, ...[+2]	Avg patent value: 45,437
59	Xi'an Railway Transportation Equipment Co. Ltd.	Shaanxi Sheng, China	Mechanical engineering,Manufacturing engineering	Avg patent value: 45,300
60	China National Offshore Oil Corp.	Beijing Shi, China	Natural gas,China sea,Petroleum industry, ...[+2]	Avg patent value: 44,945
61	China Huanqiu Contracting & Engineering Corp.	Beijing Shi, China	Construction management,Petroleum industry	Avg patent value: 44,632
62	Shanghai Hansail Marine & Offshore Design Co. Ltd.	Shanghai Shi, China		Avg patent value: 42,100
63	China Academy of Launch Vehicle Technology	Beijing Shi, China	Aerospace,National security,Space launch, ...[+2]	Avg patent value: 41,500
64	Shanghai Waigaoqiao Shipbuilding Co., Ltd.	Shanghai Shi, China	Shipbuilding,Manufacturing engineering,Mechanical engineering, ...[+2]	Avg patent value: 41,133
65	Sinopec Engineering, Inc.	Beijing Shi, China	Petrochemical,Construction engineering	Avg patent value: 40,900
66	Sichuan Kebike Oil & Gas Engineering Co., Ltd.	China		Avg patent value: 39,857
67	Shenzhen Gas Corp. Ltd.	Guangdong Sheng, China	LNG storage tank,Liquefied petroleum gas,Petroleum industry, ...[+1]	Avg patent value: 38,518
68	Sinopec Luoyang (Guangzhou) Engineering Co., Ltd.	China		Avg patent value: 37,625
69	China National Petroleum Corp.	Beijing Shi, China	Natural gas,Petroleum industry,Renewable energy, ...[+2]	Avg patent value: 37,278
70	Beijing Gas Group Co., Ltd.	Beijing Shi, China	Technology transfer,Petroleum industry,Natural gas	Avg patent value: 36,550
71	Shanghai Dongda Polyurethane Co., Ltd.	Shanghai Shi, China		Avg patent value: 35,700
72	Qiqihar Railway Rolling Stock Co. Ltd.	Zhejiang Sheng, China	Mechanical engineering,Manufacturing engineering	Avg patent value: 34,000
73	PaxOcean Engineering Zhoushan Co. Ltd.	Zhejiang Sheng, China		Avg patent value: 32,000
74	Chongqing Xinyu Pressure Vessel Manufacture Co. Ltd.	China		Avg patent value: 31,200
75	Zhejiang Huxin Stainless Steel Manufacturing Co. Ltd.	China		Avg patent value: 30,500
76	Aerosun Corp.	Jiangsu Sheng, China	Truck,Reinforced thermoplastic pipe,Automotive engineering, ...[+2]	Avg patent value: 30,000
77	Beijing Tianhai Industry Co., Ltd.	Beijing Shi, China	Manufacturing engineering,Industrial engineering,Automation, ...[+2]	Avg patent value: 29,900
78	Offshore Oil Engineering (Qingdao) Co., Ltd.	Shandong Sheng, China	Petroleum industry,Natural resource management	Avg patent value: 29,046
79	Dongfeng Commercial Vehicles Co., Ltd.	Hubei Sheng, China	Truck,Automotive engineering	Avg patent value: 28,300
80	CSR Ziyang Locomotive Co. Ltd.	Sichuan Sheng, China	Crankshaft	Avg patent value: 28,100
81	Taiwan Advance Bio-Pharmaceutical, Inc.	Taiwan Province, China	Medicine,Drug,Polyclonal antibodies, ...[+2]	Avg patent value: 28,000
82	Lianyungang Port Group Co. Ltd.	Jiangsu Sheng, China	Coal,Coke,Pier	Avg patent value: 28,000
83	Houpu Clean Energy Group Co., Ltd.	Sichuan Sheng, China	Fuel dispenser,Petroleum industry,Natural gas, ...[+2]	Avg patent value: 27,996
84	Nantong CIMC Energy Equipment Co., Ltd.	Jiangsu Sheng, China	Liquid tank,Automation,Metal, ...[+2]	Avg patent value: 27,650
85	Offshore Oil Engineering Co., Ltd.	Tianjin Shi, China	Subsea,Petroleum industry	Avg patent value: 27,448
86	Shijiazhuang Enric Gas Equipment Co., Ltd.	China	Pressure vessel,Automation,Metal, ...[+2]	Avg patent value: 26,860
87	Wison (Nantong) Heavy Industry Co., Ltd.	Jiangsu Sheng, China	Heavy industry,Mechanical engineering,Manufacturing engineering	Avg patent value: 26,780
88	Ningbo MingXin Chemical Machinery Co. Ltd.	Zhejiang Sheng, China	Automation,Mechanical engineering,Manufacturing engineering, ...[+1]	Avg patent value: 26,616
89	Wuxi China Resources Gas Co., Ltd.	China		Avg patent value: 26,266
90	Shandong Nollvetec Lightweight Equipment Co., Ltd.	Shandong Sheng, China	Mining engineering,Precious metal	Avg patent value: 26,200
91	Suzhou Jinhong Gas Co., Ltd.	Jiangsu Sheng, China	Industrial gas,Chemical engineering,Acetylene, ...[+2]	Avg patent value: 26,000
92	Shanghai Gas Engineering Design & Research Co., Ltd.	Shanghai Shi, China	Construction engineering	Avg patent value: 26,000
93	Beijing Institute of Space Launch Technology	Beijing Shi, China	Space launch,Aerospace,National security, ...[+1]	Avg patent value: 25,750
94	SINOPEC Fushun Research Institute of Petroleum & Petrochemic	China		Avg patent value: 25,725
95	Wison Engineering Ltd.	Shanghai Shi, China	Construction management,Petrochemical,Pharmaceutical engineering, ...[+1]	Avg patent value: 25,650
96	CNOOC Gas & Power Group Co., Ltd.	Beijing Shi, China		Avg patent value: 25,450
97	Dalian Deep Blue Pump Co., Ltd.	Zhejiang Sheng, China	Centrifugal pump,Casting,Machining, ...[+2]	Avg patent value: 24,700
98	Hudong-Zhonghua Shipbuilding Group Co., Ltd.	Shanghai Shi, China	Shipbuilding,Shipyard,Manufacturing engineering, ...[+2]	Avg patent value: 23,596
99	Zhejiang Sanhua Intelligent Controls Co., Ltd.	Zhejiang Sheng, China	Automotive engineering,Electronics,Oil pump, ...[+2]	Avg patent value: 23,000
100	Weichai Westport New Energy Power Co. Ltd.	China		Avg patent value: 22,533