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WALDORF PAPER PRODUCTS CO

Overview
  • Total Patents
    38
About

WALDORF PAPER PRODUCTS CO has a total of 38 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets packaging and shipping, machines and textiles and paper are BERTHAULT FRANCOIS, FLUID BAG AB OY and BISCHOF UND KLEIN GMBH & CO KG.

Patent filings in countries

World map showing WALDORF PAPER PRODUCTS COs patent filings in countries
# Country Total Patents
#1 United States 32
#2 France 3
#3 United Kingdom 2
#4 Canada 1

Patent filings per year

Chart showing WALDORF PAPER PRODUCTS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zastrow Harold G 6
#2 Hennessey Russell J 5
#3 Dunning Robert M 4
#4 Nelson Iver L 3
#5 Reynolds Guyer 3
#6 Locke Frank W 3
#7 Halladin Karl F 2
#8 Tolaas William M 2
#9 Cupo William J 2
#10 Dahle Vincent S 1

Latest patents

Publication Filing date Title
US3433456A Dispenser valves
US3111253A Combination package
US3107470A Method and apparatus for packaging wieners and the like
US3049279A Egg cases
US3027063A Diagonal creased cartons
US3054505A Multi-article carton
US3029934A Combined carton and article holder
US3058644A Carton connecting members
US3027061A Angular containers
US3088647A Packing pads
US3049278A Can containing carton
US2988260A Paint trays
US3084845A Sift proof cartons
US3169081A Carton coating apparatus
US3018938A Product encircling band
US3014578A Tape roll holder
US3001640A Article attaching device
US2953245A Ribbon spool holder
US2936069A Can carriers
US2912103A Can carriers