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PERKINS LTD

Overview
  • Total Patents
    97
About

PERKINS LTD has a total of 97 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United Kingdom, United States and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are CLOUDSLEY JOHN LESLIE, MASHIINTERUMITSUKUSU SOC ET and SEMT.

Patent filings per year

Chart showing PERKINS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Deane Daniel 26
#2 Stamford John 7
#3 Pateman Richard 6
#4 Karimi Esmail Razzagh 5
#5 Wallace Ian Fraser 5
#6 Wilson Colin John 4
#7 Wallace Ian F 3
#8 Jones Derek 3
#9 Renshaw John 3
#10 Bedkowski Maciej 3

Latest patents

Publication Filing date Title
GB9727421D0 Apparatus and method for connecting a fuel pressure tube to a fuel injector of an internal combustion engine
AU4312897A A piston for an internal combustion engine having a re-entrant type com bustion bowl
GB9717970D0 A method and an apparatus for cleaning internal combustion engine crankcase breather (blow-by) gas and an internal combustion engine including said apparatus
GB9717973D0 A method and an apparatus for cleaning internal combustion engine crankcase breather (blow-by) gas and an internal combustion engine including said apparatus
GB9717593D0 An internal combustion engine having an increased lubricating oil capacity and/or an increased gradiability
GB9713045D0 A rotary shaft sealing system
GB9713047D0 Torsional vibration damper with attached thin walled pulley.
GB9708511D0 A pumping element for a fuel delivery system for an internal combustion engine
GB9704452D0 A method for producing a precision cylindrical valve member for a fluid flow valve apparatus
GB9702244D0 A cooling system for an internal combustion engine
GB9702028D0 Inlet manifold for an internal combustion engine
GB9626096D0 A piston for an internal combustion engine having a re-entrant type combustion bowl
GB9613730D0 An electro-magnetically operated valve
GB9605838D0 A method for producing a piston for an internal combustion engine and a piston produced by the method
GB9520149D0 A method and a device for setting backlash between gears in a gear train
GB9511804D0 Cooling and oil separation for engine blow-by gases
GB9508693D0 An internal combustion engine including a fuel vaporising chamber
GB9503628D0 Accumulator i.c.engine fuel injection system
GB9500692D0 A method of reducing nitrogen oxides in an exhaust gas and an engine including means to implement said method
GB9425414D0 Stress reduction at a high pressure fluid passage junction