Learn more

SHREFFLER ELWYNE O

Overview
  • Total Patents
    16
About

SHREFFLER ELWYNE O has a total of 16 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and mechanical elements are RUSSEL MOTOR AXLE COMPANY, PANAGOPOULOS DIMITRIOS and WHITNEY MOTOR WAGON COMPANY.

Patent filings in countries

World map showing SHREFFLER ELWYNE Os patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 2

Patent filings per year

Chart showing SHREFFLER ELWYNE Os patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shreffler Elwyne O 16
#2 Lesage Aaron D 7

Latest patents

Publication Filing date Title
US3140891A Rocker panel and body sill moulding
US2820284A Spring spreading tool
US2854231A Adjustable member for coil springs
US2256059A Clutch control construction
US2230340A Adjusting means for knee action mechanisms
US2237507A Silencer for gear shift levers and rods
US2233086A Speedometer coupling
US2201838A Clutch attachment
US2147178A Front brake plate and radius arm tension spring
US2197321A Brake mechanism
US1903556A Vacuum controlled clutch and brake operating mechanism
US1966768A Vacuum controlled clutch and brake operating mechanism
US1828451A Automobile fender
US1720098A Rotary internal-combustion engine
CA306036A Automobile fender
CA384919A Front brake plate and spring