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COLLETT CHARLES H

Overview
  • Total Patents
    17
About

COLLETT CHARLES H has a total of 17 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets civil engineering, machines and engines, pumps and turbines are THERESA J WILLIAMS, HAMPTON IP HOLDINGS CO LLC and REED EARL A.

Patent filings in countries

World map showing COLLETT CHARLES Hs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 5
#3 Germany 1

Patent filings per year

Chart showing COLLETT CHARLES Hs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Collett Charles H 17
#2 Thompson Albert R 1
#3 Ayres Millman M 1

Latest patents

Publication Filing date Title
CA963455A Self-locking snap-on collar for oil well operations
US3652138A Self-locking snap-on collar for oil well operations
US3528499A Plastic floating drill pipe and sucker rod protector
US3490526A Integral guide for sucker rods
US3484141A Oil well protector
US3094360A Split protector for well pipe
US3094018A Applicator tool for pipe protectors
US3019063A Protector for well pipe
US3004335A Tool for installing well pipe protector
US3051532A Well pipe protector
US2211881A Kelly bar bushing
US2158406A Liner setter
CA658286A Golf club iron head protector
CA666239A Well pipe protector
CA662062A Well pipe protectors
CA896976A Integral guide for sucker rods