Learn more

KIRKSTALL FORGE LTD

Overview
  • Total Patents
    31
About

KIRKSTALL FORGE LTD has a total of 31 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport, mechanical elements and measurement are MAGYAR VAGON ES GEPGYAR, GKN AXLES and KESSLER & CO GMBH & CO KG.

Patent filings in countries

World map showing KIRKSTALL FORGE LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 22
#2 Canada 4
#3 United States 3
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing KIRKSTALL FORGE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cowell Frederick Raymond 4
#2 Raymond Cowell Frederick 3
#3 Angus Aylwin Ernest 1
#4 Wilson Ronald Holdsworth 1

Latest patents

Publication Filing date Title
GB624970A Improvements in axles for motor road vehicles
GB597550A Improvements in spring suspensions for motor road vehicles
GB585144A A new or improved spring suspension for motor road vehicles
GB580894A Improvements in driving wheel hub reduction gears for motor vehicles
GB574103A Improvements in internally expanding brakes
GB566331A Improvements in transmission gearing for trolley buses
GB565992A Improvements in axles for motor road vehicles
GB564707A Improvements in axlebeds for road vehicles
US2348960A Internally expanding brake
GB552980A Improvements in or relating to hydraulic presses
GB550349A Improvements in internally expanding brakes
GB550348A Improvements in internally expanding brakes
US2271815A Internally expanding brake
GB542112A Improvements in internally expanding brakes
GB534378A Improvements in axles for motor road vehicles
GB517465A Improvements in axles for motor road vehicles
GB449643A Improvements in and relating to suspension mechanism for motor road vehicles
GB407465A Improvements in or relating to axles for motor vehicles
GB401835A Improvements in or relating to suspension mechanism for motor road vehicles
GB397957A Improvements in or relating to suspension mechanism for motor road vehicles