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RALPH RAGAN

Overview
  • Total Patents
    11
About

RALPH RAGAN has a total of 11 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets textiles and paper, engines, pumps and turbines and mechanical elements are BROWN SPIN WRIGHT COMPANY, HOWARD AND BULLOUGH LIMITED and AMBLER SUPERDRAFT LTD.

Patent filings in countries

World map showing RALPH RAGANs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 2
#3 France 1

Patent filings per year

Chart showing RALPH RAGANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ralph Ragan 8
#2 Ragan Ralph 1

Latest patents

Publication Filing date Title
US2995004A Spinning and twisting ring
GB717546A Textile spinning, twisting and like apparatus
GB708683A Textile spinning and twisting apparatus
US2596172A Spinning, twisting, and like apparatus
US2610461A Spinning, twisting, and like apparatus
US1989112A Variable speed friction drive
US1887326A Heddle frame for looms
US1818429A Oil purifying system for internal combustion engines
US1827039A Fan regulating device
US1732911A Valve mechanism for internal-combustion engines