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SCHAEFER EQUIP

Overview
  • Total Patents
    52
  • GoodIP Patent Rank
    239,003
About

SCHAEFER EQUIP has a total of 52 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machine tools and machines are NAT BRAKE COMPANY INC, UNION RAILWAY EQUIPMENT COMPAN and KLASING CAR BRAKE COMPANY.

Patent filings in countries

World map showing SCHAEFER EQUIPs patent filings in countries
# Country Total Patents
#1 United States 30
#2 Canada 22

Patent filings per year

Chart showing SCHAEFER EQUIPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cale Roland E 29
#2 Frederic Schaefer 4
#3 Schaefer Frederic 3
#4 Oscar Otterson 3
#5 Sladek Achilles L 2
#6 Mclean Ralph M 2
#7 Cale Ronald E 2
#8 Otterson Oscar 2
#9 Peach Walter J 1
#10 Burke Michael K 1

Latest patents

Publication Filing date Title
US2016023673A1 Universal brake beam strut
CA1105399A Railway car brake-rod jaw and method of making it
US4274277A Method of making railway car brake-rod jaw
CA1109009A Railway car brake beam lever mounting
US4204419A Brake-rod jaw with twisted forks
US4196642A Railway car brake-rod jaw
US4159187A Five piece brake lever connection
US4194599A Railway car brake beam lever mounting
CA1040008A Reversible foot for railway hopper car inclined braces
US4015697A Railway car brake rigging linkage
US4016691A Reversible foot for railway hopper car inclined braces
US3863525A Method of making a forging die
US3735626A Upsetting dies
US3569695A Railroad car axle bearing overheat indicator
US3463525A Securing safety equipment to railroad cars by means of a blind hook bolt
US3421470A Jib hook magazine
US3423112A Railroad car brake dead lever link anchor
US3492950A Railroad car sliding sill guide
US3441301A Railroad car brake dead lever link anchor
US3388891A Swivel block