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CROWN WILLAMETTE PAPER COMPANY

Overview
  • Total Patents
    14
About

CROWN WILLAMETTE PAPER COMPANY has a total of 14 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper, packaging and shipping and machines are SHOREWOOD PACKAGING CORP, ALBEMARLE PAPER MFG COMPANY and HARLOW M RUSSELL.

Patent filings in countries

World map showing CROWN WILLAMETTE PAPER COMPANYs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing CROWN WILLAMETTE PAPER COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barber William R 5
#2 Natwick Albert G 5
#3 James Duvall 4
#4 Phelps Maurice W 3
#5 Thomsen Alfred M 1
#6 Morden Charles W 1
#7 Shively James L 1
#8 Ostenson Henry E 1
#9 Edward Hanny John 1

Latest patents

Publication Filing date Title
US1989794A Padding strip for furniture and other articles
US1971625A Siftproof bottom in paper bags
US2028431A Method of compressing compressible material into a solid pack
US1988179A Opaque paper
US1988231A Copperized pear wrap paper
US1953686A Carbon black paper bag and package
US1947451A Copperized paper
US1947452A Resinate copperized paper
US1800215A Method and means for storing paper pulp coming from the wet machine
US1721043A Shopping bag
US1733219A Bottom-handled bag
US1690626A Machine for forming bag bottoms in bag tubes
US1582317A Method for economic disposal of waste sulphite liquor in the manufacture of sulphite pulp
US1547513A Method and means for impregnating alpha sheet of material with liquid