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PERKINS ENGINES LTD

Overview
  • Total Patents
    175
About

PERKINS ENGINES LTD has a total of 175 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are MELCHIOR JEAN, WITZKY JULIUS E and HARRY RALPH RICARDO.

Patent filings in countries

World map showing PERKINS ENGINES LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sparrow Alan Wycliffe 11
#2 Stewart William Findlay 5
#3 Stewart W 5
#4 Dunn Stephen J 4
#5 Sparrow Alan W 3
#6 Kane James Anthony 3
#7 Spiers John 3
#8 Joseph Hayward William 3
#9 Chamberlain Noel Christopher 3
#10 Wycliffe Sparrow Alan 3

Latest patents

Publication Filing date Title
GB2039604A Internal combustion engine covers
GB2035448A Pistons for internal combustion engines
US4214443A Marine engine manifold
US4137887A Pistons for internal combustion engines
GB1556177A Pistons for internal combustion engines
GB1553584A Inlet and exhaust manifold assembly for an internal combustion engine
GB1560792A Pistons for internal combustion engines
US4026562A Seals
GB1488512A Engine cooling system
GB1508611A Piston for internal combustion engines
GB1508312A Seals
DE2432990A1 PISTONS FOR COMBUSTION ENGINES
GB1478013A Double injector pre-combustion chamber internal combustion engine
GB1501387A Piston
GB1474946A Seals
GB1475181A Reciprocating engine having piston oil cooling
DE2344062A1 Dynamic insulating material - of heat-setting sheet or strips with embedded electrical conductor
FR2197957A1 Dynamic insulating material - of heat-setting sheet or strips with embedded electrical conductor
GB1478293A Piston having a re-entrant bowl type combustion chamber for an internal combustion engine
DE2332966A1 INCLINED CHANNEL BURNER INSERT AND DIESEL ENGINE EQUIPPED WITH IT