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Top 50 Fast-growings companies in NOx
by Most Patent Filing In 5 Years in the United States in 2018

The NOx top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years NOx Fast-growings in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
In atmospheric chemistry, NO x is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide (NO 2 ). These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.
#
Company Name
Region
Tech Topics
Total
1
BASF Corp.
Nutrition,Chemical engineering,Aerospace,
...[+2]
Patent: 198
2
ClearSign Technologies Corp.
Petroleum industry,Chemical reaction,Combustion system,
...[+2]
Patent: 33
3
Cummins, Inc.
Electric vehicle,Natural gas,Petroleum industry,
...[+2]
Patent: 20
4
General Electric Co.
Energy management,Turbine,Electronics,
...[+2]
Patent: 17
5
thyssenkrupp Industrial Solutions AG
Industrial engineering,Mechanical engineering,Value added,
...[+2]
Patent: 15
6
Robert Bosch Corp.
Shopping mall,Truck
Patent: 14
7
Exxon Research & Engineering Co.
Patent: 12
8
Caterpillar, Inc.
Turbine,Construction engineering,Mechanical engineering,
...[+2]
Patent: 10
9
Praxair S.T. Technology, Inc.
Information technology consulting,Systems design,Coating,
...[+2]
Patent: 10
10
International Engine Intellectual Property Co. LLC
Intellectual property,Automotive engineering
Patent: 9
11
Selas Heat Technology Co. LLC
Refractory,Automation,Manufacturing engineering,
...[+2]
Patent: 8
12
John Zink Co. LLC
Control equipment,Hydronics,Combustion system,
...[+2]
Patent: 8
13
Zeeco, Inc.
Fuel gas,Air pollution
Patent: 8
14
District of Columbia Water & Sewer Authority
Sewerage,Sanitation,Waste management,
...[+2]
Patent: 7
15
Faurecia Emissions Control Technologies USA LLC
Automotive engineering
Patent: 7
16
Corning, Inc.
Telecommunications,Computer hardware,Electronics,
...[+2]
Patent: 6
17
Kerdea Technologies, Inc.
Small engine,Computer hardware,Electronics
Patent: 6
18
Shell Oil Co.
Petrochemical,Nanomaterials,Chemical engineering,
...[+2]
Patent: 6
19
Ascend Performance Materials Operations LLC
Synthetic rubber,Chemical engineering,Lyocell,
...[+2]
Patent: 6
20
Tronox LLC
Titanium dioxide,Chemical engineering,Pigment
Patent: 5
21
Toyota Motor Engineering & Manufacturing North America, Inc.
Automotive engineering,Production engineering,Production control,
...[+2]
Patent: 5
22
Omniox, Inc.
Proteomics,Medicine,Pharmacy and Therapeutics,
...[+2]
Patent: 5
23
WM Intellectual Property Holdings LLC
Intellectual property,Waste treatment,Combustor,
...[+2]
Patent: 5
24
Cannon Technologies, Inc.
Electric utility,Software-defined data center,Information technology consulting,
...[+2]
Patent: 4
25
Watlow Electric Manufacturing Co.
Semiconductor,Electric heating,Electronics,
...[+2]
Patent: 4
26
PQ Corp.
Synthetic rubber,Chemical engineering,Silicate,
...[+2]
Patent: 4
27
Vitro Flat Glass LLC
Glazing,Construction engineering,Flat glass
Patent: 4
28
Tenneco Automotive Operating Co., Inc.
Steering system,Mechanical engineering,Cutlery,
...[+1]
Patent: 4
29
Analog Devices, Inc.
Semiconductor,Electronics,Digital signal processing,
...[+2]
Patent: 3
30
CDTi Advanced Materials, Inc.
Automotive engineering,Cisco Catalyst,Exhaust emission,
...[+2]
Patent: 3
31
Beckett Gas, Inc.
Hearth,Radiator (engine cooling),Heating system,
...[+1]
Patent: 3
32
Continental Automotive Systems, Inc.
Automotive engineering,New Car Assessment Program,Automotive systems,
...[+2]
Patent: 3
33
Cummins Intellectual Property, Inc.
Mechanical engineering,Manufacturing engineering,Internal combustion engine,
...[+1]
Patent: 3
34
Applied Materials, Inc.
Semiconductor,Electronics,Chemical-mechanical planarization,
...[+2]
Patent: 3
35
SeaChange Group LLC
Chemical engineering
Patent: 3
36
Eastern Virginia Medical School
Drug repositioning,Medical school,Drug discovery,
...[+2]
Patent: 3
37
Fuel Tech, Inc.
Air pollution,Chemical energy,Petroleum industry,
...[+2]
Patent: 3
38
PACCAR, Inc.
Truck,Automotive engineering,Public transport,
...[+2]
Patent: 3
39
Shell-USA, Inc.
Patent: 3
40
8 Rivers Capital LLC
Space launch,Petroleum industry,Wireless,
...[+2]
Patent: 3
41
Northwestern University
Health care,Performance studies,Media studies,
...[+2]
Patent: 3
42
Goodman Manufacturing Co. LP
Air conditioning,Heat pump,Automation,
...[+2]
Patent: 2
43
Wisconsin Alumni Research Foundation
Medical imaging,Beneficial use,Embryonic stem cell,
...[+2]
Patent: 2
44
Northeastern University
Graduate degree,Fidaxomicin,Ceftaroline fosamil,
...[+2]
Patent: 2
45
The University of California, San Francisco
Nursing,Health care,Association (object-oriented programming),
...[+2]
Patent: 2
46
Saint-Gobain Ceramics & Plastics, Inc.
Ceramic art,Chemical engineering,Metallurgy,
...[+2]
Patent: 2
47
Regents of the University of California
Working capital,Pathology,Companion diagnostic,
...[+2]
Patent: 2
48
Iredell LLC
Real estate development
Patent: 2
49
Messer Industries USA, Inc.
Industrial gas,Chemical engineering
Patent: 2
50
Honeywell International, Inc.
Aerospace,Electronics,Market research,
...[+2]
Patent: 2
Page generation time: Jun 20 2025