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BENNINGHOFF WILLIAM L

Overview
  • Total Patents
    15
About

BENNINGHOFF WILLIAM L has a total of 15 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools and machines are TURCHAN MANUEL C, RICKERT SHAFER COMPANY and GOMERUE ESTABLISHMENT.

Patent filings in countries

World map showing BENNINGHOFF WILLIAM Ls patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 6

Patent filings per year

Chart showing BENNINGHOFF WILLIAM Ls patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Benninghoff William L 15

Latest patents

Publication Filing date Title
US3082446A Taper thread cutting die head with radially removable wedge elements for controllingthe chasers
US2932041A Floating chuck
US2306798A Cutting tool
US2246237A Apparatus for cutting threads
US2184136A Apparatus for cutting threads
US2054029A Machine for cutting threads
US2067626A Pipe threading machine
US2054028A Machine for cutting threads
US2067593A Tool for cutting threads
CA405070A Taper thread cutting apparatus
CA613872A Floating chuck
CA393838A Taper thread cutting machine
CA391175A Thread cutting machine
CA409087A Pipe thread cutting apparatus
CA410156A Cutting tool