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ROY M WOLVIN

Overview
  • Total Patents
    33
About

ROY M WOLVIN has a total of 33 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States. Its main competitors in its focus markets transport, medical technology and thermal processes are PAVIA NICOLA, MCCONWAY AND TORLEY COMPANY and FAIVELEY TRANSP SCHWAB AG.

Patent filings in countries

World map showing ROY M WOLVINs patent filings in countries
# Country Total Patents
#1 United States 33

Patent filings per year

Chart showing ROY M WOLVINs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Medical technology
#3 Thermal processes

Focus technologies

# Technology
#1 Couplings
#2 Fluid heaters
#3 Syringes

Top inventors

# Name Total Patents
#1 Joseph Robinson 33

Latest patents

Publication Filing date Title
US2277184A Automatic train pipe connector
US2261183A Automatic train pipe connector
US2261182A Automatic train pipe connector head
US2271661A Automatic train pipe connector
US2201203A Automatic train pipe connector and car coupler slack control means
US2229902A Automatic train pipe connector and car coupler slack control means
US2188922A Automatic train pipe connector
US2122439A Automatic train pipe coupling head
US2138884A Automatic train pipe connecter
US2094672A Automatic train pipe connecter
US2141196A Automatic train pipe connecter
US2072905A Automatic train pipe connecter
US2138883A Automatic train pipe connecter
US1961110A Coupling mechanism of automatic teain pipe connecters
US1956878A Automatic train pipe coupling head
US1981004A Automatic train pipe coupling
US1970980A Automatic train pipe coupling
US1959499A Automatic train pipe connecter
US1944193A Automatic train pipe connecter
US1956047A Automatic train pipe connecter