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AMSTED IND INC

Overview
  • Total Patents
    2,736
About

AMSTED IND INC has a total of 2,736 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets transport, materials and metallurgy and machines are STRATO INC, WASHBURN EDWIN C and BUSH SAMUEL P.

Patent filings per year

Chart showing AMSTED IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kaufhold Horst T 152
#2 Altherr Russell G 99
#3 Hawthorne V Terrey 92
#4 Spencer Charles P 89
#5 Kaim John W 80
#6 Moehling Charles 64
#7 Mulcahy Harry W 63
#8 Pitchford Terry L 59
#9 Wronkiewicz Robert D 51
#10 Toussaint Brian A 46

Latest patents

Publication Filing date Title
WO2010053491A1 Turbocharger compressor housing and method
US2009222217A1 Method of calculating environment risk of a chemical in soil
US2007233400A1 Method of calculating environmental risk of a chemical
CN1836805A Method for casting article possessing modified casting head layout
EA006695B1 Method for casting objects with an improved riser arrangement
BRPI0500412A method of fusing a railroad wheel and an object and coating ascension channel openings in a graphite mold
ZA200500858B A method for casting objects with an improved riser arrangement.
CA2494036A1 A method for casting objects with an improved riser arrangement
US2005241794A1 Method for casting objects with an improved hub core assembly
MXPA04003036A Spring seat for a railway truck sideframe and method of making the same.
US6956307B2 Soft magnetic composite powder metal cores
US6932144B2 Method for casting objects with an improved riser arrangement
CA2384221A1 Method of making copper infiltrated ferrous metal products
US6719502B2 Boring riser holes in a graphite mold
US6629595B2 Conveyor system
CA2350013A1 Slackless railway couplet with buff gear
US6506337B2 Molten metal ladle transport arrangement
US6783610B2 Railway wheel alloy
AU1973601A Dead lever lug
US6425334B1 Friction shoe for freight car truck