How many patents does
Perkins Engines Company have?
patents
918
families
245
granted
197
applications
721
GB
256
EP
175
US
173
WO
129
CN
125
JP
10
KR
3
RoW
47
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Perkins Engines Company
Top ten assignees appearing on patents
2018
| perkins engines company | 96 |
Perkins Engines Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| emissions cleaning module | 59 | 2012 |
| regeneration assist calibration | 18 | 2009 |
| a propulsion system | 12 | 2013 |
| method and apparatus for controlling the starting of an internal combustion engine | 10 | 2012 |
| method and apparatus for controlling the starting of a forced induction internal combust… 🛈 | 10 | 2012 |
| turbocharger brake | 10 | 2009 |
| method and apparatus for exhaust gas aftertreatment device warming | 9 | 2013 |
| method of controlling operation of an exhaust fluid treatment apparatus | 9 | 2012 |
| method of controlling fuel to be injected within a combustion engine | 9 | 2012 |
| fault detection and correction in valve assemblies | 9 | 2011 |