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NAT CASTINGS INC

Overview
  • Total Patents
    27
About

NAT CASTINGS INC has a total of 27 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets transport and machines are SYMINGTON GOULD CORP, GEORGE HARRISON SHEFFIELD and ANDREEV ALEKSANDR ALEKSANDROVICH.

Patent filings in countries

World map showing NAT CASTINGS INCs patent filings in countries

Patent filings per year

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

Focus industries

# Industry
#1 Transport
#2 Machines

Top inventors

# Name Total Patents
#1 Weber Hans B 16
#2 Long Jack R 9
#3 Becker Stephen W 3
#4 Long Jack 2
#5 Hanula Richard M 2
#6 Smith Douglas W 1
#7 Chi Edward 1
#8 Kulieke Jr Fred C 1
#9 Beatty Scott A 1
#10 Haas Andreas M 1

Latest patents

Publication Filing date Title
US5954212A Lightweight knuckle for a railroad car coupler
US5632208A Multi-axle railroad car truck
US5593051A Slackless cushioning device for railroad cars
US5524552A Single axle truck for large railroad cars
US5507400A Slackless drawbar or coupler with swivel mounting
US5463964A Rocker seat connection
US5239932A Force dampening mechanism of a railroad car truck
US5327837A Bolster of a railroad car truck with varying cross-sectional shape to provide less torsional rigidity at ends
US5226369A Sideframe for a railroad car truck
US5241913A Reinforced bolster for a railroad car truck
AU655966B2 Stabilized swing-motion truck for railway cars
US5131548A Slackless, resilient drawbar system for a railway car
US5139161A Automatic actuator for coupler knuckle-assembly of a railway passenger car
US5027716A Stabilized swing-motion truck for railway cars
US4867071A Truck-mounted articulated connector for railway cars
US4766819A Saddle frame for passive steering single-axle truck for a railway freight car
US4744308A Combined center plate/center filler for railway freight cars
US4645085A Method of enhancing rigidity in a railway car coupler knuckle
CA1270794A Biased pin retainer block for a rotary coupling system