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Top 100 Fast-growings companies in Catalytic converter
by Most Patent Filing In 5 Years in the world in 2021

The Catalytic converter top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 5 Years Catalytic converter Fast-growings in the world. 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.
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
Shopping mall,Truck
Patent: 207
2
Patent: 207
3
Patent: 144
4
Patent: 144
5
Patent: 128
6
Denmark
Patent: 96
7
Patent: 80
8
Customer expectation,Automotive engineering,Public transport,
...[+2]
Patent: 71
9
Patent: 71
10
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 44
11
Patent: 40
12
Patent: 38
13
Patent: 38
14
Patent: 36
15
Patent: 35
16
Steiermark, Austria
Patent: 35
17
Patent: 34
18
Vicenza, Italy
Patent: 34
19
Patent: 33
20
Patent: 33
21
Environmental innovation,Automotive engineering,Fleet management,
...[+2]
Patent: 31
22
Patent: 29
23
Patent: 27
24
Patent: 24
25
Patent: 24
26
Sales management,Product design,Automotive engineering,
...[+2]
Patent: 23
27
Patent: 23
28
Patent: 19
29
Stockholm, Sweden
Patent: 16
30
Patent: 14
31
Patent: 14
32
Patent: 14
33
Patent: 13
34
Patent: 13
35
Patent: 12
36
Patent: 12
37
Patent: 12
38
Turnover,Automotive engineering,Truck,
...[+2]
Patent: 11
39
Patent: 11
40
Patent: 10
41
Patent: 10
42
Patent: 9
43
Patent: 8
44
Patent: 8
45
Automotive catalyst,Cisco Catalyst
Patent: 8
46
Patent: 8
47
Patent: 7
48
Patent: 7
49
Patent: 7
50
Switzerland
Patent: 7
51
Västra Götaland, Sweden
Patent: 7
52
NW, DE
Patent: 7
53
Four-wheel drive,Automotive engineering,New Car Assessment Program,
...[+1]
Patent: 6
54
Patent: 6
55
Patent: 6
56
Patent: 6
57
Patent: 6
58
Patent: 6
59
Patent: 6
60
Patent: 6
61
Tirol, Austria
Patent: 6
62
Patent: 6
63
Solar energy,Market research,Applied research,
...[+2]
Patent: 6
64
Patent: 6
65
Patent: 6
66
Patent: 6
67
Patent: 6
68
Patent: 6
69
Patent: 5
70
Patent: 5
71
Patent: 5
72
Patent: 5
73
Patent: 5
74
Patent: 5
75
Patent: 5
76
Patent: 5
77
Patent: 4
78
Hordaland, Norway
Patent: 4
79
Patent: 4
80
Patent: 4
81
Patent: 4
82
Skåne, Sweden
Patent: 4
83
Patent: 4
84
Patent: 4
85
Patent: 4
86
Patent: 4
87
Product category
Patent: 4
88
Patent: 4
89
Patent: 4
90
Patent: 4
91
Patent: 4
92
Patent: 4
93
Patent: 4
94
Patent: 4
95
Patent: 4
96
Patent: 3
97
Patent: 3
98
Patent: 3
99
Patent: 3
100
Patent: 3
Page generation time: Aug 11 2025