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WELLS FRANK O

Overview
  • Total Patents
    15
About

WELLS FRANK O has a total of 15 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and measurement are GEOMETRIC TOOL CO, GOMERUE ESTABLISHMENT and GEOMETRIC TOOL COMPANY.

Patent filings in countries

World map showing WELLS FRANK Os patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 2

Patent filings per year

Chart showing WELLS FRANK Os patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines
#3 Measurement
#4 Transport

Top inventors

# Name Total Patents
#1 Wells Frank O 15
#2 Judge Franklin 1

Latest patents

Publication Filing date Title
US1893688A Method of making thread cutting dies
US1952190A Limit gauge
US1661280A Nonskid device
US1804662A Die blanks and method of making dies
US1595438A Thread-cutting die
US1576166A Hexagonal die
US1478414A Stay-bolt tap
US1488770A Die holder
US1447700A Tap for cutting threads
US1165822A Thread-cutting tool.
US1165821A Thread-cutting tool.
US1090180A Calipering-gage for screw-threads.
US734784A Micrometer-gage.
CA298803A Method of making dies
CA291744A Thread cutting die