Learn more

DOXFORD WILLIAM & SONS LTD

Overview
  • Total Patents
    78
About

DOXFORD WILLIAM & SONS LTD has a total of 78 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are RIKEN KINZOKU KOGYO KK, GANZ & COMP EISENGIESSEREI UND and WURTELE ALLAN R.

Patent filings in countries

World map showing DOXFORD WILLIAM & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 28
#2 France 12
#3 Germany 9
#4 United States 8
#5 Spain 7
#6 Ireland 5
#7 Austria 4
#8 Denmark 4
#9 Norway 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hamilton Purdie William 4
#2 Otto Keller Karl 4
#3 Jackson Percy 3
#4 Purdie William Hamilton 2
#5 Percy Jackson 1
#6 Taylor Ernest 1
#7 Hoseason W 1
#8 Jackson P 1

Latest patents

Publication Filing date Title
GB728453A Improvements in or relating to multi-cylinder reversing internal-combustion engines
GB735344A Improvements for reducing the effects of explosions in crank cases of internal combustion engines
FR1057006A Injection device for internal combustion engines
FR1054430A Improvements to fuel injection devices in internal combustion engines
FR1056343A Enhancements to two-stroke, opposed piston internal combustion engines
FR1056344A Fuel injection device for internal combustion engine
GB736299A An improved fuel pump system for internal combustion engines
US2769302A Means for supplying combustion air to internal combustion engines
GB716241A Improvements in or relating to fuel injection systems for internal combustion engines
GB710496A Improvements in fuel injection systems for internal combustion engines
GB736585A Improvements in or relating to opposed piston two-stroke internal combustion engines
GB710533A Improvements in fuel injection systems for internal combustion engines
GB710497A Improvements in fuel injection systems for internal combustion engines
GB711904A Improvements in or relating to the supply of scavenging and combustion air to internal combustion engines
GB736581A Improvements in or relating to the supply of scavenge and combustion air to two-stroke cycle internal combustion engines
GB704233A Improvements in or relating to internal combustion engines embodying compression operated fuel injection pumps
GB704234A Improvements relating to fuel injection systems in internal combustion engines
GB680643A Improvements in or relating to the reduction of corrosion in liquid-cooled internal combustion engines
GB680560A Improvements in or relating to the reduction of corrosion in liquid-cooled internal combustion engines
GB686837A Improvements in or relating to internal combustion engines using high viscosity oil fuel