Assignee
PERKINS ENGINES LTD
GB·8 granted patents·195 citations·filing 1975–1978
Top patents by PatentIndex Score
8 records- 0192US4214443AMarine engine manifoldPERKINS ENGINES LTD·Filed 1978·Granted Jul 29, 1980·61 cites·5 claims
- 0290US4187678AMarine engine manifoldPERKINS ENGINES LTD·Filed 1977·Granted Feb 12, 1980·46 cites·4 claims
- 0385US4010718AReciprocating piston engines having piston oil coolingPERKINS ENGINES LTD·Filed 1975·Granted Mar 8, 1977·49 cites·6 claims
- 0458USD259489SCombined induction and exhaust manifold for an internal combustion enginePERKINS ENGINES LTD·Filed 1978·Granted Jun 9, 1981·7 cites·1 claims
- 0554US4140096APistons for internal combustion enginesPERKINS ENGINES LTD·Filed 1977·Granted Feb 20, 1979·15 cites·8 claims
- 0649US4137887APistons for internal combustion enginesPERKINS ENGINES LTD·Filed 1977·Granted Feb 6, 1979·10 cites·7 claims
- 0731US4026562ASealsPERKINS ENGINES LTD·Filed 1975·Granted May 31, 1977·6 cites·8 claims
- 0830USD250026SCombined induction and exhaust manifold for an internal combustion enginePERKINS ENGINES LTD·Filed 1976·Granted Oct 24, 1978·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →