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ENGINEERING RES & APPLIC LTD

Overview
  • Total Patents
    61
About

ENGINEERING RES & APPLIC LTD has a total of 61 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets engines, pumps and turbines, transport and machines are PRODRIVE HOLDINGS LTD, GENDAI JIDOSHA KK and PERCY RILEY.

Patent filings in countries

World map showing ENGINEERING RES & APPLIC LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 United States 16
#3 France 15
#4 Canada 10
#5 Germany 3

Patent filings per year

Chart showing ENGINEERING RES & APPLIC LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hodkin David 14
#2 David Hodkin 7
#3 Hodkin Richard Keith 4
#4 Keith Hodkin Richard 3
#5 O'Neill Cormac Garrett 3
#6 Anderson Bernard William 2
#7 Radford William E A 2
#8 Henry Syson Richard 1
#9 O'Neill Cormac Garret 1
#10 Tubb Reginald J 1

Latest patents

Publication Filing date Title
US3105478A Apparatus for the controlling of the supply of fuel and air to internal combustion engines
US3054603A Carburettors
GB896976A Methods of and apparatus for controlling the supply of fuel and air to internal combustion engines
GB903983A Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear
GB889982A Carburettor for internal combustion engines
US2959163A Internal combustion engines
US2946322A Internal combustion engines
US2944534A Internal combustion engines
US3003371A Drilling and/or tapping apparatus
GB902037A Improvements in or relating to machine tools
GB858595A Improvements in or relating to internal combustion engines
GB858593A Improvements in or relating to internal combustion engines
GB857869A Vehicle levelling system
GB865952A Improvements in or relating to fluid pressure operated apparatus
GB873636A Improvements in or relating to drilling apparatus
DE1093140B Hydraulic valve lash adjuster
US2880710A Self adjusting tappets
DE1139758B Electric control and gear shifting device for a change gear in motor vehicles
US2881625A Control apparatus for variable ratio power transmission means
US2922312A Control apparatus for variable ratio power transmission means