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WILLIAMS ROBERT L

Overview
  • Total Patents
    14
About

WILLIAMS ROBERT L has a total of 14 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, mechanical elements and chemical engineering are MEANS IND INC, SULZER EUROFLAMM GERMANY GMBH and TWIN DISC CLUTCH CO.

Patent filings in countries

World map showing WILLIAMS ROBERT Ls patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 3

Patent filings per year

Chart showing WILLIAMS ROBERT Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams Robert L 14
#2 Whitton Matthew D 2
#3 Deras Daniel 1
#4 Dunham George 1
#5 Moorman Steven P 1
#6 Norris Carl L 1
#7 Mitts Kurt 1
#8 Corner Howard E 1
#9 Garrett James R 1

Latest patents

Publication Filing date Title
US2013332038A1 Real time compensation of changing friction characteristics of a clutch in a transmission
US2013018556A1 System and method for adaptive transmission clutch torque control
US7694606B1 Ergonomic wheelchair handle
US4561188A Grade and slope attitude gyroscopic driven indicator for heavy earth moving equipment
US4455704A Toothbrush and tongue cleaner
US3917045A Drug dispensing apparatus
US3901767A Distillation mechanism and system
US3342240A Tubeless tire repair means
US3259066A Fuel feeding systems
US1801761A Auxiliary bumper and tire-rack brace
CA156819A Emulsifier
US981731A Furnace-forming die.
CA897798A Method and apparatus for distributing drugs and the like