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HEYL & PATTERSON

Overview
  • Total Patents
    113
About

HEYL & PATTERSON has a total of 113 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets packaging and shipping, chemical engineering and transport are SCANIAINVENTOR AB, ALBA DAVID and ATG ALLG TRANSPORTANLAGEN GMBH.

Patent filings in countries

World map showing HEYL & PATTERSONs patent filings in countries
# Country Total Patents
#1 United States 90
#2 Canada 6
#3 Germany 5
#4 United Kingdom 5
#5 Australia 2
#6 Belgium 2
#7 France 2
#8 Austria 1

Patent filings per year

Chart showing HEYL & PATTERSONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Acklin Alfred M 13
#2 Robb Lewis J 12
#3 Patterson William J 11
#4 Rose Bennie A 10
#5 Bickley Ross M 8
#6 Mulholland Vergil 7
#7 Brown Raymond E 6
#8 Criner Harry E 4
#9 Lofink Gerard V 4
#10 Mason Elliott J 4

Latest patents

Publication Filing date Title
US5152233A Method of devolatilizing earth solids and mobile truck for carrying out the method
US4690603A Car dumping apparatus
CA1061644A Railway car positioning apparatus
US4080904A Railway car positioning apparatus
US4028228A Process and apparatus for cleaning very fine ore
US3987735A Railway car spotting system
US3805713A Disposal of ash from coal preparation plant tailings
US3781734A Magnetic device for connecting hauling lines to a barge
US3779395A Clamshell bucket unloader with rope operated trolley
CA949389A Railroad car positioner
CA931928A Apparatus for crushing large lumps of coal and the like
US3695185A Railroad car positioner
US3084796A Magnetic heavy medium treatment process and apparatus
GB965706A Froth flotation process and apparatus
US3048272A Froth flotation process
US2995259A Unloader
US2973877A Unloader
GB890802A Unloader
GB851769A Controlling material handling apparatus
US2896935A Car dumper