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Patents for Joseph H. Hoern
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
1,772,082Aug. 05, 1930J.H. HoernDevice for Assembling and Holding Piston Rings for Machining Operationsmetalworking machine mechanisms
1,783,121Nov. 25, 1930J.H. HoernPiston Ring Burr Removing Devicesurface grinders
1,900,112Mar. 07, 1933J.H. HoernGrinding machinecylindrical grinders
1,910,767May 23, 1933J.H. HoernMethod of making tappetsgas and gasoline engines
1,925,384Sep. 05, 1933J.H. HoernRing Resawing Machinemetalcutting circular saws
2,240,440Apr. 29, 1941J.H. HoernApparatus for Honing Internal Screw Threadshoning machines
2,259,640Oct. 21, 1941J.H. HoernThread Forming Apparatusmetal threading machines
2,265,561Dec. 09, 1941J.H. HoernMethod of Making Valve Tappetsinternal combustion engines
2,359,477Oct. 03, 1944J.H. HoernMethod of Making Hollow Head Valvesinternal combustion engine valves
2,367,398Jan. 16, 1945J.H. HoernThread Rolling Apparatusmetal threading machines
2,456,060Dec. 14, 1948C.G. Pardee, J.H. HoernRotor Grindercylindrical grinders
2,540,520Feb. 06, 1951J.H. HoernMachinehorizontal drilling machines
2,633,777Apr. 07, 1953J.H. HoernIndexing mechanism for station type machinesvertical boring mills
2,641,146Jun. 09, 1953C.E. DiltsBoring and Turning Machineboring and turning machines
2,659,961Nov. 24, 1953C.E. DiltsTurning and Boring Machineboring and turning machines
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