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Top 20 Fast-growings companies in Catalytic converter
by Most Patent Filing In 5 Years in the Germany in 2021

The Catalytic converter top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 5 Years Catalytic converter Fast-growings 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.
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Company Name
Region
Tech Topics
Total
1
Patent: 207
2
Patent: 144
3
Patent: 128
4
Patent: 80
5
Patent: 36
6
Patent: 35
7
Patent: 33
8
Patent: 33
9
Environmental innovation,Automotive engineering,Fleet management,
...[+2]
Patent: 31
10
Sales management,Product design,Automotive engineering,
...[+2]
Patent: 23
11
Patent: 10
12
Patent: 7
13
Patent: 6
14
Patent: 6
15
Solar energy,Market research,Applied research,
...[+2]
Patent: 6
16
Patent: 5
17
Patent: 4
18
Patent: 4
19
Patent: 3
20
Patent: 3
Page generation time: Aug 11 2025