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BALLARD CHARLES U

Overview
  • Total Patents
    11
About

BALLARD CHARLES U has a total of 11 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, mechanical elements and transport are GORDON CARROLL G, SANDALL PRECISION CO LTD and IN LHC.

Patent filings in countries

World map showing BALLARD CHARLES Us patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing BALLARD CHARLES Us patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ballard Charles U 11

Latest patents

Publication Filing date Title
US3299637A Fluid system venting and filling
US3258923A Hydraulic power transmission
US3180464A Throttle lock and release
US2693811A Temperature compensator for closed hydraulic systems
US2676374A Hook attachment for tape measure end loops
US2705969A Temperature compensator for a closed hydraulic system
US2546055A Compensator
US2287960A Hydraulic steering and control appliance
US2192175A Hydraulic steering and control device
CA420007A Hydraulic steering and control apparatus
CA555120A Temperature compensator for a closed hydraulic system