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Top 20 Key Players companies in Catalytic converter
by Most Patent Citation in the United Kingdom in 2018

The Catalytic converter top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Catalytic converter Key Players in the United Kingdom. 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 citation: 1,054
2
patent citation: 204
3
patent citation: 137
4
patent citation: 114
5
patent citation: 113
6
patent citation: 109
7
patent citation: 80
8
patent citation: 63
9
Four-wheel drive,Automotive engineering,New Car Assessment Program,
...[+1]
patent citation: 56
10
patent citation: 42
11
patent citation: 38
12
patent citation: 36
13
patent citation: 31
14
patent citation: 31
15
patent citation: 26
16
Aerospace,Spacecraft,National security,
...[+1]
patent citation: 25
17
Hazardous waste,Waste treatment,Environmental consulting
patent citation: 24
18
patent citation: 21
19
Hospitality industry,Helium,Nitrogen,
...[+1]
patent citation: 21
20
patent citation: 13
Page generation time: Aug 11 2025