Top 100 Key Players companies in Catalytic converter by Most Patent Citation in the United States in 2021 – Discovery

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The Catalytic converter top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Catalytic converter 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.

1	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	patent citation: 5,657
2	General Motors Co.	Michigan, United States	Sport utility vehicle,Public transport,Enterprise software, ...[+2]	patent citation: 3,360
3	Volkswagen Group of America, Inc.	Michigan, United States	Truck,Automotive engineering,Automotive industry	patent citation: 3,276
4	3M Co.	Minnesota, United States	Adhesive,Electronics,Writing paper, ...[+2]	patent citation: 2,518
5	Corning, Inc.	New York, United States	Telecommunications,Computer hardware,Electronics, ...[+2]	patent citation: 2,358
6	Delphi Technology, Inc.	Massachusetts, United States	Software,Business intelligence,Systems design, ...[+2]	patent citation: 1,168
7	Unifrax I LLC	New York, United States	Ceramic art,Fiber,Automotive engineering, ...[+2]	patent citation: 952
8	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	patent citation: 836
9	W.R. Grace & Co.	United States	Coating,Computer hardware,Petrochemical, ...[+2]	patent citation: 792
10	Ford Motor Co.	Michigan, United States	Truck,Public transport,Automotive engineering, ...[+2]	patent citation: 695
11	Donaldson Co., Inc.	Minnesota, United States	Filtration,Filter (aquarium),Industrial engineering, ...[+2]	patent citation: 573
12	Continental Automotive Systems, Inc.	Michigan, United States	Automotive engineering,New Car Assessment Program,Automotive systems, ...[+2]	patent citation: 516
13	FCA US LLC	Michigan, United States	Automotive engineering,Spark plug,Turbocharger, ...[+2]	patent citation: 495
14	Caterpillar, Inc.	Illinois, United States	Turbine,Construction engineering,Mechanical engineering, ...[+2]	patent citation: 486
15	Tenneco, Inc.	Illinois, United States	Powertrain,Automotive engineering,Catalytic converter, ...[+2]	patent citation: 416
16	GEO2 Technologies, Inc.	Massachusetts, United States	Microstructure,Biotechnology	patent citation: 416
17	SDCmaterials, Inc.	Arizona, United States	Materials science,Performance efficiency,Manufacturing process, ...[+1]	patent citation: 379
18	Tenneco Automotive Operating Co., Inc.	Illinois, United States	Steering system,Mechanical engineering,Cutlery, ...[+1]	patent citation: 305
19	Litex, Inc.	Michigan, United States	Low-rise,Metal	patent citation: 279
20	CDTi Advanced Materials, Inc.	California, United States	Automotive engineering,Cisco Catalyst,Exhaust emission, ...[+2]	patent citation: 277
21	Briggs & Stratton Corp.	Wisconsin, United States	Robotic lawn mower,Gasoline,Turbine, ...[+2]	patent citation: 260
22	ACS Technologies, Inc.	Alabama, United States	Calculator	patent citation: 248
23	TurboChef Technologies, Inc.	Texas, United States	Electronics,Central Site,Food service, ...[+2]	patent citation: 247
24	Tennessee Gas Pipeline Co. LLC	Texas, United States	Natural gas,Petroleum industry,Natural resource management	patent citation: 246
25	Exxon Mobil Corp.	Texas, United States	Petroleum,Petroleum industry,Chemical engineering, ...[+2]	patent citation: 225
26	Mobil Corp.	Texas, United States	Petroleum industry,Petroleum,Natural gas	patent citation: 225
27	Visteon Global Technologies, Inc.	Michigan, United States	Automotive engineering	patent citation: 220
28	Johns Manville Corp.	Colorado, United States	Interior design,Construction engineering,Waterproofing, ...[+2]	patent citation: 199
29	Catalytic Solutions, Inc.	California, United States	Control system,Motor oil,Cisco Catalyst, ...[+2]	patent citation: 195
30	Energy & Environmental Research Corp.	California, United States	Nitrogen oxide	patent citation: 172
31	AlliedSignal, Inc.	Indiana, United States	Aerospace,Automotive engineering,Aerospace systems, ...[+2]	patent citation: 165
32	Amoco Corp.	Illinois, United States	Kerosene,Petroleum industry,Gasoline, ...[+2]	patent citation: 163
33	Benteler Automotive Corp.	Michigan, United States	Chassis,Gudgeon pin,Carburetor, ...[+2]	patent citation: 163
34	Automotive Components Holdings LLC	Michigan, United States	Automotive engineering	patent citation: 161
35	Tula Technology, Inc.	California, United States	Digital signal processing,Internal combustion engine,Automotive engineering, ...[+2]	patent citation: 154
36	Enersyst Development Center, LLC	Texas, United States	Food industry	patent citation: 153
37	BorgWarner, Inc.	Michigan, United States	Electric vehicle,Automotive engineering,Gasoline, ...[+2]	patent citation: 150
38	Ethyl Corp.	Virginia, United States	Industrial engineering,Gasoline,Industrial gas, ...[+2]	patent citation: 141
39	Lockheed Martin Corp.	United States	National security,Aerospace,Network security, ...[+2]	patent citation: 135
40	Cummins, Inc.	Indiana, United States	Electric vehicle,Natural gas,Petroleum industry, ...[+2]	patent citation: 134
41	Northrop Grumman Systems Corp.	Virginia, United States	National security,Aerospace,Military technology, ...[+1]	patent citation: 121
42	United Technologies	Connecticut, United States	Aerospace,Public transport,Building automation, ...[+2]	patent citation: 114
43	United-Tech, Inc.	Oklahoma, United States	Yeast,Telecommunications,Chemical treatment, ...[+2]	patent citation: 114
44	EMS Engineered Materials Solutions LLC	Massachusetts, United States	Material system	patent citation: 114
45	Lyondell Chemical Technology LP	Texas, United States	Chemical engineering	patent citation: 111
46	MECS, Inc.	Missouri, United States	Sulfuric acid,Air conditioning,Wet gas, ...[+2]	patent citation: 109
47	Texaco Development Corp.	Texas, United States		patent citation: 108
48	Tecogen, Inc.	Massachusetts, United States	Air conditioning,Industrial engineering,Mechanical engineering, ...[+2]	patent citation: 107
49	Shell Oil Co.	Texas, United States	Petrochemical,Nanomaterials,Chemical engineering, ...[+2]	patent citation: 105
50	International Fuel Cells LLC	Connecticut, United States		patent citation: 104
51	Solo Energy Corp.	California, United States		patent citation: 100
52	ESW Technologies, Inc.	Delaware, United States	Automotive engineering	patent citation: 98
53	STEAG Energy Services LLC	North Carolina, United States	Power transmission,Solar power,Transmission system, ...[+2]	patent citation: 97
54	BASF Catalysts LLC	New Jersey, United States	Polyolefin,Mica,Metal, ...[+2]	patent citation: 96
55	DaimlerChrysler Co. LLC	Michigan, United States	Automotive engineering,Truck,Chassis	patent citation: 92
56	Innovative Hearth Products LLC	California, United States	Stove,Hearth,Fireplace, ...[+2]	patent citation: 91
57	Hess Engineering, Inc.	Michigan, United States		patent citation: 91
58	The Dow Chemical Co.	Michigan, United States	Coating,Agriculture,Chemical engineering, ...[+2]	patent citation: 87
59	Lennox Hearth Products LLC	Tennessee, United States	Manufacturing engineering,Automation,Mechanical engineering, ...[+2]	patent citation: 85
60	Precision Combustion, Inc.	Connecticut, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 74
61	Rosemount, Inc.	Minnesota, United States	Computer hardware,Electronics,Pressure sensor, ...[+2]	patent citation: 72
62	Envirotest Corp.	Connecticut, United States	Vehicle inspection,Database services,Remote sensing, ...[+1]	patent citation: 71
63	Electrolux Corp.	United States	Electronics	patent citation: 70
64	BRP US, Inc.	Wisconsin, United States	Atazanavir,Tide clock,Tell-tale, ...[+1]	patent citation: 69
65	Cummins Filtration, Inc.	Tennessee, United States	Filtration,Computer hardware,Electronics, ...[+2]	patent citation: 68
66	BORLA Performance Industries, Inc.	California, United States	Muffler,Automotive engineering,Catalytic converter, ...[+2]	patent citation: 66
67	SPX Corp.	North Carolina, United States	HVAC,Computer hardware,Industrial engineering, ...[+2]	patent citation: 65
68	ABB Automation, Inc.	United States	Automation,Manufacturing engineering,Mechanical engineering, ...[+2]	patent citation: 64
69	Miratech Group LLC	Oklahoma, United States	Natural gas,Petroleum industry,Reciprocating engine, ...[+2]	patent citation: 63
70	Carrier Corp.	Indiana, United States	Refrigeration,Air conditioning,Mechanical engineering, ...[+2]	patent citation: 62
71	Cormetech, Inc.	North Carolina, United States	Cisco Catalyst,Test engineer,Automation, ...[+2]	patent citation: 62
72	Motorola, Inc.	Illinois, United States	Telecommunications,Mobile phone,Broadband, ...[+2]	patent citation: 61
73	Virginia Tech Foundation, Inc.	Virginia, United States	Asset management,Impact investing	patent citation: 60
74	Standard Oil Co.	Ohio, United States	Natural gas,Petroleum industry,Hydrocarbon, ...[+2]	patent citation: 60
75	Corhart Refractories Corp.	United States	Terracotta,Refractory,Refrigeration, ...[+2]	patent citation: 59
76	Lifesize Communications, Inc.	Texas, United States	Software,Telecommunications,Online charging system, ...[+2]	patent citation: 58
77	Hoeganaes Corp.	Michigan, United States	Metal,3D printing,Metal powder, ...[+2]	patent citation: 58
78	SuperTurbo Technologies, Inc.	Colorado, United States	Engine efficiency,Automotive engineering,Search engine, ...[+2]	patent citation: 58
79	thyssenkrupp Industrial Solutions AG	Wisconsin, United States	Industrial engineering,Mechanical engineering,Value added, ...[+2]	patent citation: 57
80	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	patent citation: 54
81	Indmar Products Co., Inc.	New Jersey, United States	Gasoline,Manufacturing engineering,Mechanical engineering, ...[+2]	patent citation: 52
82	Illinois Tool Works, Inc.	Illinois, United States	Adhesive,Consumables,Industrial engineering, ...[+2]	patent citation: 51
83	Chevron Corp.	California, United States	Lubricant,Petroleum,Petroleum industry, ...[+2]	patent citation: 48
84	Chevron U.S.A., Inc.	California, United States	Gasoline,Petroleum industry,Petroleum, ...[+2]	patent citation: 48
85	Stirling Power, Inc.	Michigan, United States	Manufacturing engineering,Mechanical engineering,External combustion engine, ...[+2]	patent citation: 47
86	Lynntech, Inc.	Texas, United States	Infusion pump,Syringe,Lithium battery, ...[+2]	patent citation: 46
87	ACS Industries, Inc.	Rhode Island, United States	Automotive engineering,Abrasive,Diamond, ...[+2]	patent citation: 44
88	Saturn Corp.	Tennessee, United States	Automotive engineering,Chassis	patent citation: 44
89	Fibertech, Inc.	Indiana, United States	Pallet,Plastics engineering,Bulk material handling, ...[+2]	patent citation: 44
90	Fluor Corp.	Texas, United States	Construction engineering,Project management,Civil engineering, ...[+2]	patent citation: 43
91	BP Amoco Corp.	Texas, United States	Petroleum industry,Natural gas,Petroleum	patent citation: 41
92	OCV Intellectual Capital LLC	Ohio, United States	Intellectual capital,Building material	patent citation: 41
93	Texas Instruments Incorporated	Texas, United States	Semiconductor,Digital signal processing,Electronic component, ...[+2]	patent citation: 40
94	Chrysler Group LLC	Washington, United States		patent citation: 40
95	Exxon Research & Engineering Co.	United States		patent citation: 38
96	Vconverter Corp.	Michigan, United States	Exhaust emission,Construction engineering,Muffler	patent citation: 37
97	Catalytic Combustion Corp.	Wisconsin, United States	Environmental consulting,Catalytic combustion,Stationary engine, ...[+2]	patent citation: 37
98	Rhodia Electronics & Catalysis, Inc.	United States	Electronics,Electronic component,Computer hardware	patent citation: 37
99	Outboard Marine Corp.	Illinois, United States	Electronics,Switchgear,Electric motor, ...[+2]	patent citation: 35
100	VTR LS Management LLC	Kentucky, United States		patent citation: 35