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GILBERT & BARKER MFG CO

Overview
  • Total Patents
    765
About

GILBERT & BARKER MFG CO has a total of 765 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, thermal processes and machines are WAYNE CO, NAT PUMPS CORP and TOKHEIM OIL TANK & PUMP CO.

Patent filings in countries

World map showing GILBERT & BARKER MFG COs patent filings in countries
# Country Total Patents
#1 United States 367
#2 Canada 183
#3 United Kingdom 88
#4 France 46
#5 Germany 38
#6 Switzerland 16
#7 Denmark 11
#8 Austria 6
#9 Spain 3
#10 Greece 3
#11 Ireland 3
#12 Australia 1

Patent filings per year

Chart showing GILBERT & BARKER MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Logan Joseph A 92
#2 De Lancey Warren H 64
#3 Grise Alfred L 59
#4 Davis John B 54
#5 Mesh Theodore J 50
#6 Tapp Harry F 30
#7 Rapisarda Edward D 28
#8 Spear Leolyn F 18
#9 Delancey Warren H 16
#10 Pacey John J 14

Latest patents

Publication Filing date Title
US4457401A Above-the-floor hydraulic lift
US4096383A Pulse-generating apparatus responsive to shaft rotation
US4122524A Sale computing and display package for gasoline-dispensing apparatus
US3938565A Fluid dispensing nozzle including trigger retaining mechanism
US3809866A Computing system
US3814934A Pulse generating apparatus responsive to shaft rotation
US3814146A Electronic dispensing nozzle
CA934344A Automatic trip fill nozzle
US3710831A Automatic trip fill nozzle
US3662924A Light-controlled fluid dispenser
US3693500A Fluid pressure controlled power unit
US3635591A Barge pump
US3603359A Automatic trip safety fill nozzle
US3553869A Illuminated sign
US3448843A Fluid dispenser having multiple signal generators
US3448895A Pre-set automatic dispensing system
US3220461A Motor, oil pump and oil burner in combination
DE1159301B Gas pump
US3182677A Mixing valve
US3220606A Remote counter and control therefor particularly adapted for liquid dispensing units