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MIDLAND STEEL PROD CO

Overview
  • Total Patents
    235
About

MIDLAND STEEL PROD CO has a total of 235 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, machine tools and transport are MAMERY GABY, NACAM and KOPPY CORP.

Patent filings in countries

World map showing MIDLAND STEEL PROD COs patent filings in countries

Patent filings per year

Chart showing MIDLAND STEEL PROD COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Sneed 45
#2 Ernest Riemenschneider 24
#3 Einar Almdale 15
#4 Smith William E 14
#5 Maddock Robert H 14
#6 Almond John R 14
#7 Kuiper Gerhard C R 11
#8 Begg Russell S 10
#9 Sneed John 6
#10 Wallace Robert H 6

Latest patents

Publication Filing date Title
US5885522A Method and apparatus for heat treating and straightening structural members
CA1171914A Method and apparatus for heat treating structural members
CA1108970A Method of induction heat treating, quenching and tempering of structural members
US4142923A Method of induction heat treating, quenching and tempering, of structural members
US2883997A Relay valves
US2682929A Hydraulic steering booster for vehicles
US2782028A Door operating system
US2670247A Relay valve for vacuum brake systems
US2728587A Automobile frame box-section side rail
US2486125A Spacing means for cargo units
US2466497A Automatic welding machine
US2467517A Power unit for hydraulic brakes
US2529533A Solenoid plunger mechanism
US2485252A Door operating fluid motor system
US2515029A Valve
US2467516A Method of electrically welding box sections
US2402254A Fifth wheel mounting
US2655042A Gear shifting mechanism
US2389938A Electrode holder
US2376943A Electrode holder