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WILLIAM DOXFORD AND SONS LTD

Overview
  • Total Patents
    15
About

WILLIAM DOXFORD AND SONS LTD has a total of 15 patent applications. Its first patent ever was published in 1931. It filed its patents most often in Canada, Ireland and United States. Its main competitors in its focus markets engines, pumps and turbines are COMMANDIT GES FUER TIEFBOHRTEC, COZETTE RENE JEAN PAUL EMILE and LANOVA AKT GES.

Patent filings in countries

World map showing WILLIAM DOXFORD AND SONS LTDs patent filings in countries
# Country Total Patents
#1 Canada 9
#2 Ireland 3
#3 United States 3

Patent filings per year

Chart showing WILLIAM DOXFORD AND SONS LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Jackson Percy 6
#2 Purdie William H 6
#3 Percy Jackson 3
#4 Hamilton Purdie William 3
#5 Keller Karl Otto 2
#6 Purdie William Hamilton 1
#7 Gunn John G 1

Latest patents

Publication Filing date Title
US2760334A Fuel injection systems for internalcombustion engines
US2737162A Opposed piston two-stroke cycle internal combustion engines
US2754813A Fuel injection systems for internal combustion engines
IE16941L I.c. engine scavenging
IE16987L Crankshafts
IE12998L Opposed-piston parallel-crank engines
CA322073A Engine with opposed pistons
CA445241A Scavenge pump for internal combustion engines
CA522852A Fuel injection systems for internal combustion engines
CA534562A Fuel injection systems for internal combustion engines
CA521508A Fuel injection systems for internal combustion engines
CA332662A Fluid conducting means
CA539297A Two-stroke cycle internal combustion engines
CA521507A Internal combustion engines
CA526190A Opposed piston two-stroke cycle internal combustion engines