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LEACH JOHN M

Overview
  • Total Patents
    66
About

LEACH JOHN M has a total of 66 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 packaging and shipping, machines and transport are KEITH INVEST L L C, MTS MASCHINENBAU GMBH and RUSTERHOLZ OTTO.

Patent filings in countries

World map showing LEACH JOHN Ms patent filings in countries
# Country Total Patents
#1 United States 46
#2 Canada 14
#3 Germany 5
#4 Switzerland 1

Patent filings per year

Chart showing LEACH JOHN Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leach John M 61
#2 Paul Leo 1
#3 M Leach John 1
#4 Krammer Robert 1
#5 John M Leach 1

Latest patents

Publication Filing date Title
US4524862A Screw-jack type accumulation conveyor
US4513857A Conveyor linkage
US4257519A Frictionless entry and release sprocket
US4212385A Article accumulation conveyor
US4204593A Article accumulation conveyor
US4172519A Article accumulation conveyor
US3678862A Overhead accumulation conveyors
US3627103A Case palletizers
US3647048A Overhead conveyor trolley plates
US3627595A Enclosed track overhead cable conveyors
US3589503A Material handling conveyors
US3589497A means for spacing articles on a conveyor
US3589496A Article accumulation conveyors
US3537568A Article handling conveyors
US3537569A Article handling conveyors
US3549002A Article conveyors
US3451527A Article handling conveyors
US3481449A Conveying systems
US3342307A Material handling conveyors
DE1277747B Loading point for bulk goods in successive transport containers of a conveyor train