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Top 50 Key Players companies in Catalytic converter
by Most Patent Filings in the Germany in 2021

The Catalytic converter top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filings Catalytic converter Key Players in the Germany. 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
Patent: 1,026
2
Patent: 669
3
Patent: 377
4
Patent: 366
5
Patent: 251
6
Patent: 241
7
Patent: 233
8
Sales management,Product design,Automotive engineering,
...[+2]
Patent: 207
9
Patent: 122
10
Patent: 99
11
Patent: 99
12
Environmental innovation,Automotive engineering,Fleet management,
...[+2]
Patent: 87
13
Patent: 65
14
Patent: 43
15
Patent: 38
16
Patent: 36
17
Patent: 32
18
Patent: 31
19
Patent: 30
20
Patent: 27
21
Patent: 22
22
Patent: 21
23
Patent: 19
24
Patent: 18
25
Patent: 16
26
Degussa AG
Patent: 16
27
Gasoline,Environmental consulting,Electronic control system,
...[+2]
Patent: 15
28
Patent: 14
29
Patent: 13
30
Patent: 13
31
Patent: 12
32
Patent: 11
33
Patent: 10
34
Patent: 10
35
Patent: 9
36
Patent: 8
37
Patent: 8
38
Patent: 7
39
Patent: 7
40
Patent: 7
41
Patent: 7
42
Patent: 7
43
Patent: 6
44
Patent: 6
45
Patent: 6
46
Patent: 6
47
Patent: 6
48
Patent: 5
49
LINDA AG
Patent: 5
50
Medicine,Chemical engineering,Transfer Agreement,
...[+1]
Patent: 5
Page generation time: Aug 11 2025