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MURPHY WALTER P

Overview
  • Total Patents
    102
About

MURPHY WALTER P has a total of 102 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, environmental technology and mechanical elements are UNION METAL PROD CO, METROPOLITAN AMALGAMATED RAILW and GUST TALBOT & CIE M B H.

Patent filings in countries

World map showing MURPHY WALTER Ps patent filings in countries
# Country Total Patents
#1 United States 89
#2 Canada 13

Patent filings per year

Chart showing MURPHY WALTER Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Murphy Walter P 101
#2 Sisson Vinton E 1

Latest patents

Publication Filing date Title
US2214474A Refrigerator
US2142798A Refrigerator car floor
US2142797A Refrigerator car floor
US1773403A Railway-car construction
US1398645A Vertically-reinforced sheet-metal car end
US1398644A Corrugated-sheet-metal car end
US1425210A Hopper-car door
US1422881A Corrugated-sheet-metal car end
US1519217A Car roof
US1456705A Corrugated-sheet-metal car end
US1591990A Car-end construction
US1432887A Cast-metal door for railway cars of the dumping type
US1635191A Sheet-metal car door
US1512233A Box-car door
US1415463A Centering device for car couplings
US1377783A Hopper-car
US1410710A Metal end structure for railway cars
US1398643A Corrugated sheet-metal car end
US1441739A Railway car
US1404469A Railway car