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DEMPSTER BROTHERS INC

Overview
  • Total Patents
    167
About

DEMPSTER BROTHERS INC has a total of 167 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets transport, environmental technology and packaging and shipping are MARZANO ALEC KENRIC, ROTHALIT GMBH and DEMPSTER BROTHERS.

Patent filings in countries

World map showing DEMPSTER BROTHERS INCs patent filings in countries
# Country Total Patents
#1 United States 104
#2 United Kingdom 33
#3 Switzerland 11
#4 Germany 9
#5 France 4
#6 Austria 3
#7 Canada 1
#8 Denmark 1
#9 Spain 1

Patent filings per year

Chart showing DEMPSTER BROTHERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Herpich William A 44
#2 Dempster George R 42
#3 Jones Harry W 28
#4 Wender Neil F 12
#5 Voorhees Steven C 8
#6 French Henry C 8
#7 Of Georgia Trust Company 6
#8 Toppins Charles R 6
#9 Dempster James W 6
#10 Cooley Charles R 5

Latest patents

Publication Filing date Title
US3786946A Refuse collection vehicles
US3696951A Refuse collection vehicles
US3613569A Stationary packer assemblies
US3559830A Collection units
US3554120A Stationary packer assemblies
US3507410A Stationary packer assemblies
US3454175A Apparatus for loading and unloading containers
US3342358A Container dumping devices
US3272150A Freight transportation system
GB1119183A Apparatus for loading and unloading containers onto and from vehicles
ES312941A1 Transportation equipment for deposits. (Machine-translation by Google Translate, not legally binding)
US3283932A Apparatus for handling containers
US3310188A Container handling apparatus
US3254875A Transporting equipment
US3229622A Stationary packer assemblies
GB979915A Apparatus for transferring containers to and from vehicles
US3175718A Apparatus for handling containers
US3195942A Containers
US3214046A Container handling mechanism
US3122250A Container handling apparatus