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NAT CASTINGS CO

Overview
  • Total Patents
    206
About

NAT CASTINGS CO has a total of 206 patent applications. Its first patent ever was published in 1954. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets transport, packaging and shipping and machines are NAT MALLEABLE & STEEL CASTINGS, STANDARD COUPLER CO and MCKEEN THOMAS L.

Patent filings in countries

World map showing NAT CASTINGS COs patent filings in countries

Patent filings per year

Chart showing NAT CASTINGS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Metzger William J 32
#2 Wyrough David J 15
#3 Donald Willison 14
#4 Willison Donald 11
#5 Zanow Andrey L 8
#6 Metzger William Joseph 6
#7 Shafer James A 6
#8 Depenti Kenneth L 6
#9 De Penti Kenneth L 5
#10 Norton Charles E 5

Latest patents

Publication Filing date Title
US3190458A Heavy duty buffing device
ES296472A1 Shooting equipment for railway vehicles (Machine-translation by Google Translate, not legally binding)
GB1029368A Railway coupler aligning apparatus
US3191983A Self-leveling cargo container spreader
US3185317A Compensating draft gear
US3157289A Car coupler
US3206039A Car coupler
US3173552A Hydraulic draft rigging
GB954539A Cargo container
US3197037A Railway coupler aligning apparatus
US3178047A Pipe conveying device
US3172591A Machine for conveying a continuous line of pipe
GB963413A Railway vehicle coupler
US3182508A Golf drive metering apparatus
US3205108A Method and apparatus for making wound tubular articles of varying cross-section
US3164266A Car coupler
GB934841A Improvements in or relating to railway bogie trucks
ES271699A1 A coupling device for wagons (Machine-translation by Google Translate, not legally binding)
GB931473A Car coupler
US3140671A Cargo tie-down apparatus