Learn more

WOODARD WILLIAM E

Overview
  • Total Patents
    148
About

WOODARD WILLIAM E has a total of 148 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport, engines, pumps and turbines and machines are SHANNON ELLWOOD M, BLUNT JAMES G and MARIS JAMES C.

Patent filings in countries

World map showing WOODARD WILLIAM Es patent filings in countries
# Country Total Patents
#1 Canada 75
#2 United States 73

Patent filings per year

Chart showing WOODARD WILLIAM Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Woodard William E 148
#2 Riegel Samuel S 5
#3 Snyder Herbert W 3
#4 George Tandy Lewis 1
#5 Tandy L George 1

Latest patents

Publication Filing date Title
US2275277A Locomotive power reverse gear equipment
US2234613A Engine valve gear
US2234614A Valve motion mechanism for fluid pressure engines
US2255303A Locomotive engine
US2183327A Locomotive
US2138053A Valve motion mechanism for locomotive engines
US2198429A Direct indicating locomotive reverse gear
US2174675A Vehicle and particularly railway rolling stock
US2136405A Valve motion mechanism
US2116295A Railway vehicle
US1991239A Locomotive
US1993983A Transmission and control of power in locomotives and the like
US2020756A Railway vehicle running gear
US1932432A Locomotive driving and spring rigging construction
US1838725A Locomotive
US1868340A Railway vehicle supporting structure
US1803987A Locomotive driving connection
US1805125A Locomotive construction
US1819856A Locomotive driving box and bearing therefor
US1707339A Truck-centering mechanism