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ROTTLER CLARENCE T

Overview
  • Total Patents
    16
About

ROTTLER CLARENCE T has a total of 16 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and measurement are STORM MFG CO INC, LEE LUTHER E and BARNES DRILL COMPANY.

Patent filings in countries

World map showing ROTTLER CLARENCE Ts patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 1

Patent filings per year

Chart showing ROTTLER CLARENCE Ts patent filings per year from 1900 to 2020

Focus industries

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

Top inventors

# Name Total Patents
#1 Rottler Clarence T 16

Latest patents

Publication Filing date Title
US2402778A Micrometer
US2217772A Pilot stem
US2234710A Valve seating tool
US2122072A Automatic feed for boring bars
US2011875A Boring bar drive means
US2040273A Portable boring machine and boring bar therefor
US2034488A Anchoring device for cylinder boring machines
US1997183A Sharpening tool
US1873330A Cylinder hone
US1839775A Piston refinishing machine
US1899359A Means for holding a cutter head while its cutters are being sharpened
US1661505A Grinding and finishing machine
US1614691A Boring machine
US1618782A Means for holding blades in cutter heads
US1522145A Cutter head
CA249032A Reboring tool