Assignee
PERKINS LTD
GB·11 granted patents·228 citations·filing 1993–1997
Top patents by PatentIndex Score
11 records- 0174US5647306AAssembly of auxiliary apparatus for an internal combustion enginePERKINS LTD·Filed 1995·Granted Jul 15, 1997·35 cites·18 claims
- 0273US5878731AMethod and an apparatus for cleaning internal combustion engine crankcase blow-by-gas and an internal combustion engine including said apparatusPERKINS LTD·Filed 1996·Granted Mar 9, 1999·31 cites·24 claims
- 0370US5809962AMethod for producing a piston for an internal combustion engine and a piston produced by the methodPERKINS LTD·Filed 1997·Granted Sep 22, 1998·29 cites·23 claims
- 0469US5636550ANo-backlash gearing mechanismPERKINS LTD·Filed 1994·Granted Jun 10, 1997·29 cites·18 claims
- 0568US5553583ARocker arm lubrication arrangementPERKINS LTD·Filed 1995·Granted Sep 10, 1996·27 cites·21 claims
- 0659US5595215AImprovements in or relating to fluid-flow control valvesPERKINS LTD·Filed 1993·Granted Jan 21, 1997·21 cites·16 claims
- 0756US5819808AMethod for reducing stress at a junction of high pressure fluid flow passages in a body and a junction formed therebyPERKINS LTD·Filed 1995·Granted Oct 13, 1998·15 cites·14 claims
- 0847US5819588AMethod and a device for setting backlash between gears in a gear trainPERKINS LTD·Filed 1996·Granted Oct 13, 1998·11 cites·27 claims
- 0942US5501197AFuel injection apparatusPERKINS LTD·Filed 1994·Granted Mar 26, 1996·13 cites·22 claims
- 1041US5644280AMethod of operating a two-coil solenoid valvePERKINS LTD·Filed 1994·Granted Jul 1, 1997·11 cites·17 claims
- 1134US5533475AEngine and gear drive combinationPERKINS LTD·Filed 1993·Granted Jul 9, 1996·6 cites·29 claims
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