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GRAND SPECIALTIES COMPANY

Overview
  • Total Patents
    42
About

GRAND SPECIALTIES COMPANY has a total of 42 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, packaging and shipping and machines are ANTON SCHROEDER, GRIFFITH WILLIAM H and UNIVERSAL TOOL & STAMPING COMP.

Patent filings in countries

World map showing GRAND SPECIALTIES COMPANYs patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 4
#3 United Kingdom 4
#4 Germany 2
#5 France 2

Patent filings per year

Chart showing GRAND SPECIALTIES COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopfeld Fred P 21
#2 Sasgen Michael J 9
#3 Sasgen Anthony M 6
#4 Louis Simonsen 1
#5 Hopfeld Fred Peter 1
#6 Sasgen Michal J 1

Latest patents

Publication Filing date Title
US3360078A Lifts
US3306479A Drum tilting apparatus
US3191788A Load tilting mechanism for industrial truck
US3216599A Lift truck with a detachable mast assembly, and a propelling and elevating control system
US3052323A Lift truck
US3085656A Lift truck constructed from detachably connected parts
US3044647A Manipulator apparatus
US3098587A Pump apparatus
US2905347A Drum handling lift truck
US2849085A Die tables
US2948363A Telescoping elevators
US2708048A Handling equipment for barrels or the like
US2885961A Lifting and stacking trucks
US2709015A Lifting and stacking trucks
US2656864A Straight beam clamp with adjustable self-locking jaw
US2595458A Draftsman's and mechanic's instrument
GB640022A Improvements in or relating to vises
GB631281A Improvements in or relating to vises
US2461687A Welder's clamp
US2546906A Screw-actuated vise having releasable nut for quickly opening or closing the jaws