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JOHN MCMULLEN

Overview
  • Total Patents
    24
About

JOHN MCMULLEN has a total of 24 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States. Its main competitors in its focus markets transport, mechanical elements and machines are ILLINOIS RAILWAY EQUIPMENT CO, CREMEAN WILLIAM F and PRIES HERMAN.

Patent filings in countries

World map showing JOHN MCMULLENs patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing JOHN MCMULLENs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 John Mcmullen 24
#2 Mcmullen John F 2
#3 Gallagher John T 2
#4 Swartwood Claude N 1
#5 Mcmullen Vincent J 1

Latest patents

Publication Filing date Title
US2694473A Brake construction
US2525613A Journal bearing structure
US2407091A Adjustable lading brace for railway cars
US2393117A Slack adjuster
US2446779A Railway journal box lid
US2345141A Combined washer and cotter pin spreader
US2166918A Portable bulkhead
US2178693A Automobile securing device
US1970610A Load bracing means for railway cars and other transport
US1814519A Running board anchor for railway cars
US1846889A Shipping automobiles
US1856106A Shipping automobiles
US1751013A Cotter-pin spreader
US1727835A Safety brake-beam support for railway trucks
US1641983A Car-brake device
US1667560A Device for taking up brake chain slack
US1638125A Hopper-car door
US1639264A Wall structure for railway cars
US1694134A Door opening and closing mechanism
US1556290A Nonskid vehicle wheel