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FONTAINE JOHN P K

Overview
  • Total Patents
    16
About

FONTAINE JOHN P K has a total of 16 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets transport and machines are EDWARDS HARPER MCNEW & CO, FONTAINE FIFTH WHEEL CO and VISTEON AUTOMOTIVE SYSTEMS INC.

Patent filings in countries

World map showing FONTAINE JOHN P Ks patent filings in countries

Patent filings per year

Chart showing FONTAINE JOHN P Ks patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Machines

Top inventors

# Name Total Patents
#1 Fontaine John P K 14
#2 Benson William D 3
#3 Brumby Arnoldus S 1
#4 Heslip John C 1
#5 Norman Noah M 1

Latest patents

Publication Filing date Title
WO9944878A1 Automatic tolerance reducing greaseless fifth wheel using a wedge and jaw locking system that eliminates squirting
MX9603726A Lock and release mechanism for fifth wheel.
US4140328A Adjustment and release mechanism for wedge locking mechanisms of fifth wheels
US3630545A Fifth wheel with improved wedge and jaw operating lever
US3606384A Slide mount for fifth wheels
US2726878A Tractor fifth wheel construction for trailer coupling
US2661960A Pivotally mounted fifth wheel plate
US2687224A Dump truck body
US2440152A Trailer coupling mechanism
CA772522A Fifth wheel
CA561196A Trailer coupler