Learn more

DEMPSTER GEORGE R

Overview
  • Total Patents
    58
About

DEMPSTER GEORGE R has a total of 58 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, packaging and shipping and machines are YUHUAN TOP SUN MACHINERY TOOL, MIDDLEGATE MARKETING LTD and JOHN BRIDGE.

Patent filings in countries

World map showing DEMPSTER GEORGE Rs patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 28

Patent filings per year

Chart showing DEMPSTER GEORGE Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dempster George R 58
#2 Herpich William A 4
#3 Morgan Arthur H 2

Latest patents

Publication Filing date Title
US2942751A Containers
US2915331A Containers
US2942743A Automatic hooks
US2869740A Transporting equipment
US2978139A Leakproof sump-type containers
US2722325A Excavating machine
US2737674A Street sweeper
US2702721A Container for transporting and dumping devices
US2599618A Bottom dumping container
US2600739A Loader of the dipper type
US2633259A Transporting and dumping equipment
US2606676A Transporting equipment for vehicles
US2445106A Automatic hook
US2464441A Container
US2451721A Transporting and dumping equipment
US2437806A Transporting equipment
US2404830A Automatic hook
US2387500A Transporting and dumping equipment
US2369722A Transporting and dumping equipment
US2302666A Transporting and dumping device