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KEYSTONE CONSOLIDATED IND INC

Overview
  • Total Patents
    126
About

KEYSTONE CONSOLIDATED IND INC has a total of 126 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, civil engineering and mechanical elements are NAT LOCK CO, ADAMS RITE MFG COMPANY and MUELLER CARL AUGUST.

Patent filings in countries

World map showing KEYSTONE CONSOLIDATED IND INCs patent filings in countries
# Country Total Patents
#1 United States 94
#2 Canada 17
#3 United Kingdom 6
#4 Germany 4
#5 Australia 2
#6 Belgium 2
#7 France 1

Patent filings per year

Chart showing KEYSTONE CONSOLIDATED IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Orr John L 10
#2 Dauenbaugh Robert L 7
#3 Walters Russell W 7
#4 Anderson Ralph F 6
#5 Glass Dwight W 6
#6 Orr J 6
#7 Moore Melvin E 4
#8 Coe William H 4
#9 Budd Tom A 4
#10 Johnson Eric A Iii 4

Latest patents

Publication Filing date Title
US4580423A Garage door lock mechanism
US4435966A Motorcycle saddle bag lock
US4440459A Rotatable shelf hardware
US4391319A Apparatus for introducing elements into molten metal streams and casting in inert atmosphere
US4342403A Box and lid construction
US4309135A Concrete anchor
US4333628A Perforated board display bracket assembly
US4306431A Chest safety lock
US4256032A Improved strap guide system
US4228733A Package strapping device with pallet sensing means
US4233828A Changeable combination, axial pin tumbler lock with single interface
US4201427A Sewing machine positioner device
US4186952A Turn button latch
US4177724A Strap tensioning device
US4157274A Package strapping device with floating heat tongue
US4148454A Bracket assembly
US4124262A Hardware for pivoting cabinet shelf
US4155972A Multiple-shot method of molding plastic products
US4099397A Snap-in cylinder for disc and pin tumbler cam locks
US4109950A Door opener and latch