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PORTER DREAPER WILLIAM

Overview
  • Total Patents
    12
About

PORTER DREAPER WILLIAM has a total of 12 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper, chemical engineering and materials and metallurgy are FUJIAN BILLON POLYMERIZATION FIBER TECHNOLOGY IND CO LTD, YIXING RUNDE TEXTILE MFG CO LTD and WILLIAM PORTER DREAPER.

Patent filings in countries

World map showing PORTER DREAPER WILLIAMs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing PORTER DREAPER WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Porter Dreaper William 12

Latest patents

Publication Filing date Title
US1680598A Alloy and its uses
US1583534A Manufacture of artificial silk and like materials from viscose solutions
US1489199A Spinning and twisting of strands of artificial silk and other yarns or threads
US1437341A Manufacture of artificial filaments and the like
US1437340A Process and apparatus for the manufacture of artificial silk or the like
US1515556A Manufacture of artificial silk and the like
US1418136A Manufacture of artificial threads or filaments
US1418135A Manufacture of viscose solutions