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ROY S SANFORD

Overview
  • Total Patents
    29
About

ROY S SANFORD has a total of 29 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Germany and Canada. Its main competitors in its focus markets mechanical elements, transport and machines are MERITOR HEAVY VEHICLE BRAKING SYSTEMS (UK) LTD, BENDIX SPICER FOUNDATION BRAKE and GAOYOU JINGZHENG MACHINERY MFG CO LTD.

Patent filings in countries

World map showing ROY S SANFORDs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Germany 5
#3 Canada 1

Patent filings per year

Chart showing ROY S SANFORDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eames James O 13
#2 Sanford Roy S 11
#3 Owen Eames James 5
#4 Casler Roger H 4
#5 Eaton Wilfred A 3
#6 Eamens James Owen 1
#7 Sedergren Erling D 1

Latest patents

Publication Filing date Title
US3007556A Liquid cooled frictional mechanism
US3040845A Liquid-cooled frictional mechanism
US2980220A Liquid cooled frictional mechanism
DE1268453B Brake drum cooled by means of a fluid circuit
US3007555A Liquid-cooled frictional mechanism
DE1206223B Fluid-cooled brake drum
US2986238A Frictional mechanism
US3007554A Liquid-cooled frictional mechanism
US2982377A Liquid cooled frictional mechanism
US3055458A Liquid cooled frictional mechanism
US2942699A Fluid pressure brake mechanism
DE1221502B Hydraulically operated disc friction brake, especially for vehicles
US2934178A Liquid cooled brake mechanism
US2986239A Liquid cooled brake shoe for vehicles
US2930456A Liquid cooled brake system
US2934382A Hydraulic control system
US2925891A Damping mechanism
US2966966A Brake mechanism
DE1133995B Disc brakes, especially for motor vehicles and aircraft
US2880823A Brake mechanism