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UNITCAST CORP

Overview
  • Total Patents
    68
About

UNITCAST CORP has a total of 68 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and packaging and shipping are DESPATCH SHOPS INC, MAGOR CAR CORP and CLINTON C MURPHY.

Patent filings in countries

World map showing UNITCAST CORPs patent filings in countries
# Country Total Patents
#1 United States 40
#2 Canada 28

Patent filings per year

Chart showing UNITCAST CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Floehr Walter L 40
#2 Goodwin Ernest G 8
#3 Orville Ingram 7
#4 Ingram Orville 5
#5 Gibson William J 4
#6 Cyrus Hankins 3
#7 Wine William E 3
#8 Hankins Cyrus 2
#9 Shils Lee H 1
#10 Aller Edmund R 1

Latest patents

Publication Filing date Title
US3433201A Weight-steered water sled
US3347174A Ore car double slide gate assembly
US3310005A Railway hopper discharge gate actuating gearing mechanism
US3316857A Motor actuated closure mechanism for railway hopper cars
US3204578A Slide gate assembly
US3242878A Shallow hopper car
US3316859A Hopper door operating and latching assembly
US3256836A Hopper doors operating assembly
US3240166A Railway hopper car door locking mechanism
US3245359A Gear train discharge gate operating mechanism
US3240165A Railway hopper car door locking mechanism
US3238898A Railway hopper car door locking mechanism
US3157132A Hopper door pivot and latch assembly
US3187685A Hopper door locking mechanism
US3224382A Sliding gate sealing means assemblies
US3127853A Closure operating shaft locking mechanism
US3139042A Hopper door locking mechanism
US3022536A Torsion spring assembly
US3089435A Sliding hopper gate assembly
US3021798A Sliding hopper gate operating mechanism