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Top 100 Key Players companies in NOx
by Highest Patent Value in the United States in 2019

The NOx top 100 is Discovery PatSnap’ annual ranking of the top 100 Highest Patent Value NOx Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, 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.
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Company Name
Region
Tech Topics
Total
1
Avg patent value: 5.99 M
2
Avg patent value: 5.66 M
3
Avg patent value: 4.41 M
4
Avg patent value: 4.03 M
5
Avg patent value: 3.55 M
6
Military logistics,Public transport,Communications system,
...[+2]
Avg patent value: 3.23 M
7
Logistics center,Parcel delivery,Military logistics,
...[+2]
Avg patent value: 3.23 M
8
Avg patent value: 3.18 M
9
Avg patent value: 3.17 M
10
Avg patent value: 3.09 M
11
Cisco Catalyst,Test engineer,Automation,
...[+2]
Avg patent value: 3.07 M
12
Avg patent value: 2.86 M
13
Avg patent value: 2.70 M
14
Avg patent value: 2.44 M
15
Avg patent value: 2.35 M
16
Avg patent value: 2.32 M
17
Avg patent value: 2.30 M
18
Control system,Motor oil,Cisco Catalyst,
...[+2]
Avg patent value: 2.23 M
19
Avg patent value: 2.15 M
20
Avg patent value: 2.14 M
21
Avg patent value: 2.14 M
22
Avg patent value: 2.06 M
23
Avg patent value: 1.99 M
24
Avg patent value: 1.78 M
25
Avg patent value: 1.77 M
26
Avg patent value: 1.74 M
27
Proteomics,Medicine,Pharmacy and Therapeutics,
...[+2]
Avg patent value: 1.73 M
28
Avg patent value: 1.57 M
29
Avg patent value: 1.54 M
30
Avg patent value: 1.47 M
31
Avg patent value: 1.46 M
32
Avg patent value: 1.31 M
33
Avg patent value: 1.29 M
34
Avg patent value: 1.22 M
35
Avg patent value: 1.17 M
36
Avg patent value: 1.16 M
37
Automotive engineering,New Car Assessment Program,Automotive systems,
...[+2]
Avg patent value: 1.15 M
38
Ceramic art,Chemical engineering,Metallurgy,
...[+2]
Avg patent value: 1.14 M
39
Avg patent value: 1.13 M
40
Avg patent value: 1.11 M
41
Avg patent value: 1.10 M
42
Avg patent value: 1.09 M
43
Avg patent value: 952,800
44
Avg patent value: 950,000
45
Avg patent value: 948,000
46
Avg patent value: 920,000
47
Avg patent value: 920,000
48
Avg patent value: 888,200
49
Avg patent value: 822,500
50
Avg patent value: 814,114
51
Avg patent value: 796,600
52
Avg patent value: 775,500
53
Avg patent value: 580,000
54
Avg patent value: 576,500
55
Avg patent value: 575,000
56
Avg patent value: 574,181
57
Avg patent value: 562,833
58
Avg patent value: 560,562
59
Avg patent value: 540,000
60
Avg patent value: 531,275
61
Avg patent value: 492,000
62
Avg patent value: 490,000
63
Avg patent value: 480,000
64
Avg patent value: 460,000
65
Avg patent value: 430,000
66
Avg patent value: 404,833
67
Avg patent value: 363,833
68
Avg patent value: 345,000
69
Working capital,Pathology,Companion diagnostic,
...[+2]
Avg patent value: 345,000
70
Avg patent value: 339,666
71
Avg patent value: 337,000
72
Avg patent value: 336,666
73
Avg patent value: 321,462
74
Avg patent value: 284,000
75
Avg patent value: 280,000
76
Avg patent value: 270,000
77
Avg patent value: 270,000
78
Avg patent value: 264,909
79
Savannah River Site,Nuclear material,Polarizer,
...[+2]
Avg patent value: 240,000
80
Avg patent value: 239,000
81
Avg patent value: 230,000
82
Avg patent value: 229,000
83
Avg patent value: 221,000
84
Avg patent value: 220,000
85
Shopping mall,Truck
Avg patent value: 219,331
86
Avg patent value: 180,000
87
Avg patent value: 160,000
88
Aerospace,Electronics,Market research,
...[+2]
Avg patent value: 157,500
89
Avg patent value: 150,000
90
Avg patent value: 134,700
91
Avg patent value: 130,000
92
Avg patent value: 100,000
93
Shopping mall
Avg patent value: 100,000
94
Avg patent value: 99,000
95
Avg patent value: 95,000
96
Avg patent value: 93,000
97
Avg patent value: 86,000
98
Avg patent value: 85,000
99
Avg patent value: 85,000
100
Avg patent value: 85,000
Page generation time: Jun 21 2025