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F M ASPIN ENGINES LTD

Overview
  • Total Patents
    16
About

F M ASPIN ENGINES LTD has a total of 16 patent applications. Its first patent ever was published in 1956. It filed its patents most often in France, United Kingdom and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are HOPKINS PHILLIP R, MELDOLESI RICCARDO and BLACKBURN ANTHONY EDGAR.

Patent filings in countries

World map showing F M ASPIN ENGINES LTDs patent filings in countries
# Country Total Patents
#1 France 6
#2 United Kingdom 3
#3 Canada 2
#4 Germany 2
#5 United States 2
#6 Belgium 1

Patent filings per year

Chart showing F M ASPIN ENGINES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aspin Frank Metcalf 10
#2 Aspin Frank M 2
#3 Metcalf Aspin Frank 2

Latest patents

Publication Filing date Title
DE1141490B Internal combustion engine with a conical rotary valve
US2947295A Internal combustion engines
US2926639A Rotary valves for internal combustion engines
GB872216A Improvements in or relating to rotary valve internal combustion engines
GB864453A Improvements in or relating to internal combustion engines
GB859366A Improvements in or relating to rotary valves for internal combustion engines
CA597431A Rotary valves for internal combustion engines
CA610950A Internal combustion engines