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DEMPSTER BROTHERS

Overview
  • Total Patents
    100
About

DEMPSTER BROTHERS has a total of 100 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Canada, France and Belgium. Its main competitors in its focus markets transport and environmental technology are ROTHALIT GMBH, SCHONROCK EDWIN A and DEMPSTER BROTHERS INC.

Patent filings in countries

World map showing DEMPSTER BROTHERSs patent filings in countries
# Country Total Patents
#1 Canada 82
#2 France 8
#3 Belgium 5
#4 United Kingdom 3
#5 Netherlands 2

Patent filings per year

Chart showing DEMPSTER BROTHERSs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Dempster George R 33
#2 Herpich William A 29
#3 Jones Harry W 28
#4 Wender Neil F 11
#5 Dempster James W 6
#6 Voorhees Steven C 5
#7 Dempster John S 4
#8 French Henry C 4
#9 Harvey Samuel E 4
#10 Herpich W A 4

Latest patents

Publication Filing date Title
GB1057335A Transporting equipment for containers
CA643506A Material dumping equipment
CA790426A Apparatus for handling containers
CA636294A Transporting equipment
CA753966A Container handling equipment
CA637404A Transporting and dumping equipment
CA645340A Material handling devices
CA740686A Compaction apparatus
CA589287A Automatic hooks
CA746352A Front end loaders
CA573292A Container
CA790425A Container handling apparatus
CA570735A Sump-type containers for transporting and dumping equipment
CA489402A Compression door for baling presses
CA639260A Transporting and dumping equipment
CA685205A Front end loaders
CA560641A Locking devices for transporting equipment
CA701239A Vehicle body loading and unloading mechanism
CA825510A Transporting equipment for containers
CA627641A Lift truck hoisting and dumping equipment