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DONKIN AND COMPANY LTD

Overview
  • Total Patents
    16
About

DONKIN AND COMPANY LTD has a total of 16 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets mechanical elements, transport and engines, pumps and turbines are BLAND HENRY, PREC DISPENSING SYSTEMS LTD and CHECKPOINT FLUIDIC SYSTEMS INTERNATIONAL LTD.

Patent filings in countries

World map showing DONKIN AND COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 France 1
#3 United States 1

Patent filings per year

Chart showing DONKIN AND COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Frederick Thomas 3
#2 Paulin William Spencer 3
#3 John Monson 1
#4 Victor Mckinnon John 1
#5 Monson John 1
#6 Mckinnon John Victor 1

Latest patents

Publication Filing date Title
US3191621A Hydraulically-operated valves
GB932824A Improvements in or relating to baling presses
GB950328A Improvements in or relating to baling presses
GB950329A Improvements in or relating to baling presses
GB925487A Hydraulically-operated valves
GB851362A Improvements in and relating to hand hydraulic steering gear for ships
GB807175A Improvements in or relating to hydraulic steering gear for ships
GB760863A An improved hydraulic steering gear for ships
GB779253A Improvements in and relating to hydraulic pumps and motors
GB763095A Improvements in and relating to hydraulic pumps and motors
GB703547A Improvements in and relating to hydraulic steering gear for ships
GB663104A Improvements in or relating to hydraulic machines usable as pumps or optionally either as pumps or motors
GB650725A Improvements in or connected with hydraulic control apparatus
GB634843A Improvements in or relating to hydraulic control mechanisms
GB629585A Improvements in or relating to hydraulic pumps and motors