Learn more

EVANS EDWIN R

Overview
  • Total Patents
    75
About

EVANS EDWIN R has a total of 75 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, transport and machines are DBA, IRASCHKO JOHANN and GIRLING LTD.

Patent filings in countries

World map showing EVANS EDWIN Rs patent filings in countries
# Country Total Patents
#1 United States 64
#2 Canada 11

Patent filings per year

Chart showing EVANS EDWIN Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Evans Edwin R 75
#2 Rockwell Edward A 3
#3 Matsumoto Makoto 1
#4 Evans John H W 1
#5 Tichenor Carl M 1

Latest patents

Publication Filing date Title
CA2068178A1 Heat stable fluorosilicone rubber compositions
CA2068135A1 Low shrinkage fluorosilicone heat cured rubber compositions
US4585848A Fluorosilicone rubber composition, process and polymer
US2999565A Disk brake
US2325596A Disk brake
US2214900A Brake mechanism
US2054796A Return spring construction for motor vehicle power units
US2097873A Reaction type power brake unit
US2216771A Automatic clutch
US2044901A Freewheeling device with automatic control
US2218379A Clutch device
US1946526A Brake
US2006633A Construction for vehicle brakes
US1970904A Brake linkage
US1964112A Brake construction
US2006634A Emergency slack take-up device
US1936191A Cable operated brake
US1924114A Method of making brake shoes
US1947905A Brake linkage
US1927632A Brake linkage