Learn more

PEARSON RICHARD LTD

Overview
  • Total Patents
    47
About

PEARSON RICHARD LTD has a total of 47 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United Kingdom, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets agriculture, chemical engineering and civil engineering are SCHUMACHER GMBH GEB, PLOEGER AGRO B V and REUTHER JOHN.

Patent filings per year

Chart showing PEARSON RICHARD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weston David Booth 18
#2 Coulam John Patrick 13
#3 Weston David 9
#4 Needham Timothy 4
#5 Pearson Roger 3
#6 Welp Johannes 3
#7 Bosworth Phillip 3
#8 Nunn Michael Roy 2
#9 Tomlinson Kenneth George 2
#10 Grimme Franz Jr 2

Latest patents

Publication Filing date Title
GB0522799D0 Row crop harvesting apparatus
GB0224004D0 Method and apparatus for harvesting rowcrop vegetables and the like
WO03026384A1 An agricultural separator
GB0221526D0 A crop elevator
GB0220541D0 A device for separating materials
GB0204327D0 An agricultural separator
GB0123166D0 An agricultural separator
GB0122604D0 Apparatus for breaking up clods
GB9920742D0 Separating device
AU4522599A Potato harvester
EP1011305A1 Agricultural separating device and agricultural separator
GB9702040D0 Agriculture separator
GB9610732D0 Agricultural separating device
GB9607826D0 Agricultural separating device and agricultural separator
GB9418344D0 A device for separating materials
GB9215146D0 A star wheel and a separator incorporating a star wheel
EP0410808A2 A lifting conveyor, and an agricultural separator incorporating a lifting conveyor
EP0410807A1 Agricultural separator
GB9011192D0 A star wheel and a star wheel assembly for an agricultural machine
GB8917296D0 Large stone and boulder separating device