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LETOURNEAU ROBERT G

Overview
  • Total Patents
    36
About

LETOURNEAU ROBERT G has a total of 36 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, civil engineering and packaging and shipping are LETOURNEAU INC, HARNISCHFEGER IND INC and BROKK AB.

Patent filings in countries

World map showing LETOURNEAU ROBERT Gs patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 7

Patent filings per year

Chart showing LETOURNEAU ROBERT Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Letourneau Robert G 36
#2 Roe Charles C 1

Latest patents

Publication Filing date Title
US3307279A Multi-purpose work vehicles
US3183609A Earth working scraper having power means disposed between front and rear load carrying bowls
US3194414A Stabilizer apparatus
US3231114A Earthworking machine
US3230646A Multiple telescoping bucket type excavator
US3231303A Rotatable grapple
US3161437A Operating mechanism for dump vehicle
US3161072A Control arrangements and mechanisms for pivotable devices
US3194356A Latch devices for electromagnetic brake mechanism
US3170173A Vehicle operator's station
US3184089A Fork lift type material handling machine with a laterally adjustable frame
US3131493A Power shovel machine
US3102219A Motor control system for electrically powered vehicles
US3088537A Vehicle operator's station
US3183804A Earth compacting machine
US3093780A Electric motor control system
US3054160A Shuttle cars
US3089726A Grapple
US3183676A Mobile sea platform
US3011467A Mobile sea platform