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C F DAHLBERG

Overview
  • Total Patents
    12
About

C F DAHLBERG has a total of 12 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper, machines and civil engineering are LEAKE ARTHUR G, ELLIS GEORGE H and HULTQUIST VICTOR J.

Patent filings in countries

World map showing C F DAHLBERGs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing C F DAHLBERGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaw John K 9
#2 Munroe Treadway B 3

Latest patents

Publication Filing date Title
US1503549A Apparatus for cooking pulp-making fibers
US1479419A Method of preserving bagasse fibers and a bale thereof
US1503202A Method of preventing the natural deterioration of bagasse fibers
US1477288A Apparatus for varying the thickness of fiber layers
US1503605A Sound-deadening fiber board
US1500208A Process of and apparatus for making fiber boards
US1544042A Fiber board of felted interlaced fibers
US1532084A Board composed of interlaced fibers
US1500207A Fiber board having ornamental surfaces
US1532083A Process of and apparatus for making fiber boards
US1503211A Plaster board having hard and soft portions
US1501925A Bagasse fiber and process of producing the same