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POWER JETS RES & DEV LTD

Overview
  • Total Patents
    1,975
About

POWER JETS RES & DEV LTD has a total of 1,975 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets engines, pumps and turbines, transport and environmental technology are ROLLS ROYCE, PRICE NATHAN C and ARMSTRONG SIDDELEY MOTORS LTD.

Patent filings in countries

World map showing POWER JETS RES & DEV LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 603
#2 France 360
#3 United States 320
#4 Canada 273
#5 Switzerland 228
#6 Germany 128
#7 Denmark 51
#8 Belgium 8
#9 Ireland 3
#10 Netherlands 1

Patent filings per year

Chart showing POWER JETS RES & DEV LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Limited Power Jets Research De 166
#2 Davidson Ivor Macaulay 48
#3 Hodge James 34
#4 Howell Alun Raymond 26
#5 Barnes John Anthony 24
#6 Perry Sydney William Henry 24
#7 Brown James 24
#8 Macaulay Davidson Ivor 23
#9 Grey John Constantine 21
#10 Feilden Geoffrey Bertram Rober 19

Latest patents

Publication Filing date Title
GB1144262A Improvements in or relating to pressure exchangers
GB1125472A Improvements in or relating to a pressure exchanger
US3348618A Helicopter rotor
GB1092246A Improvements in or relating to pressure exchangers
GB1099289A Improvements in or relating to a rotor
IE29221L Pressure exchanger
GB1152741A Aircraft Power Plant.
GB1077365A Improvements in or relating to pressure exchanger cell rings
GB1077942A Improvements in or relating to rotors
GB1065280A Device for sensing changes in density of a gas
GB1064503A Improvements in or relating to pressure exchanger cell rings
US3371407A Method of producing a composite metallic material billet
GB1097725A Fuel injector
GB1144904A Improvements in reinforced heat resistant metallic articles
GB1083267A Flap systems for aircraft
GB1073470A Fluid ducts
GB1046019A Improvements in or relating to a machine having a rotor
GB1077735A Coatings for metallic materials
GB1058577A Improvements in or relating to pressure exchanger cell rings
GB1039669A Improvements in or relating to pressure exchanger cell rings