Learn more

LLOYD L FELKER

Overview
  • Total Patents
    24
About

LLOYD L FELKER has a total of 24 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, transport and machine tools are COLBY E BRUCE, O & W COMPANY and UNIROYAL SA.

Patent filings in countries

World map showing LLOYD L FELKERs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 7

Patent filings per year

Chart showing LLOYD L FELKERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Crooker David E 21
#2 Frary Evan A 3
#3 Heintz Jr James C 1
#4 Felker Raymond L 1
#5 Heintz James C Jr 1

Latest patents

Publication Filing date Title
US2848744A Apparatus for and method of forming tire treads
US2756460A Tire tread molds
US2777498A Skid resisting tire treads
US2819751A Tire tread
US2720906A Traction coils for vehicle tires
US2696864A Directional traction device
US2663094A Device for demonstrating the action of snow and ice tires and the method of making the same
US2770013A Stud holders for use in tire molds
US2643698A Machine for forming continuous wire coils
US2643688A Device for corrugating wire
US2540045A Nonskid rubber traction member
US2540044A Nonskid rubber traction member
US2644984A Apparatus for manufacturing tire treads
US2540043A Ventilated tire
US2557946A Nonskid rubber sole construction
US2619678A Method of and apparatus for the manufacture of nonskid tire treads
US2557945A Snow and ice tire
CA520946A Machines for forming continuous wire coils
CA486631A Snow and ice tires
CA520947A Method of and apparatus for the manufacture of non-skid tire treads