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Top 100 Key Players companies in Catalytic converter
by Most Patent Filings in the world in 2018

The Catalytic converter top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings Catalytic converter Key Players in the world. 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.
A catalytic converter is an exhaust emission control device that reduces toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction). Catalytic converters are usually used with internal combustion engines fueled by either gasoline or diesel—including lean-burn engines as well as kerosene heaters and stoves.
#
Company Name
Region
Tech Topics
Total
1
Patent: 1,087
2
Patent: 1,026
3
Shopping mall,Truck
Patent: 1,026
4
Patent: 700
5
Patent: 669
6
Patent: 669
7
Denmark
Patent: 571
8
Patent: 517
9
Patent: 452
10
Patent: 377
11
Patent: 366
12
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 350
13
Patent: 286
14
Patent: 251
15
Madrid, Spain
Patent: 251
16
Patent: 241
17
Patent: 233
18
Patent: 216
19
Patent: 216
20
Patent: 207
21
Sales management,Product design,Automotive engineering,
...[+2]
Patent: 207
22
Patent: 197
23
Patent: 165
24
Patent: 160
25
Patent: 157
26
Patent: 155
27
Customer expectation,Automotive engineering,Public transport,
...[+2]
Patent: 152
28
Patent: 144
29
Patent: 129
30
Patent: 122
31
Patent: 112
32
Adhesive,Electronics,Writing paper,
...[+2]
Patent: 104
33
Patent: 100
34
Patent: 100
35
Patent: 99
36
Patent: 99
37
Patent: 95
38
Patent: 92
39
Patent: 89
40
Environmental innovation,Automotive engineering,Fleet management,
...[+2]
Patent: 87
41
Patent: 87
42
Patent: 81
43
DUBLIN, Ireland
Patent: 79
44
Patent: 79
45
Patent: 75
46
Patent: 71
47
Patent: 68
48
Patent: 65
49
Materials science,Performance efficiency,Manufacturing process,
...[+1]
Patent: 62
50
Patent: 61
51
Patent: 61
52
Patent: 59
53
Patent: 55
54
Ceramic art,Fiber,Automotive engineering,
...[+2]
Patent: 55
55
Patent: 52
56
Patent: 51
57
Patent: 50
58
Patent: 50
59
Patent: 48
60
NW, DE
Patent: 48
61
Patent: 45
62
Patent: 45
63
Patent: 44
64
Patent: 44
65
Patent: 44
66
FR
Patent: 44
67
Patent: 43
68
Patent: 40
69
Patent: 40
70
Patent: 39
71
Patent: 39
72
Patent: 39
73
Patent: 38
74
Patent: 38
75
Patent: 37
76
Patent: 36
77
Patent: 36
78
Patent: 36
79
Patent: 35
80
Patent: 33
81
Patent: 32
82
Patent: 32
83
Patent: 32
84
Patent: 31
85
Patent: 30
86
Patent: 29
87
Patent: 29
88
Patent: 29
89
Patent: 29
90
Patent: 28
91
Patent: 27
92
Patent: 27
93
Patent: 27
94
Four-wheel drive,Automotive engineering,New Car Assessment Program,
...[+1]
Patent: 27
95
Patent: 27
96
Patent: 27
97
Patent: 26
98
Electronics,Central Site,Food service,
...[+2]
Patent: 26
99
Patent: 26
100
Norway
Patent: 26
Page generation time: Aug 11 2025