Buford J. Schramm

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Tempe, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Hubless, hingeless and bearingless helicopter rotor system
- Patent number 4,616,977
- Issue date Oct 14, 1986
- Buford J. Schramm
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Barrel type engine with plural two-cycle cylinders and pressurized...
- Patent number 4,497,284
- Issue date Feb 5, 1985
- Buford J. Schramm
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hubless, hingeless and bearingless helicopter rotor system
- Patent number 4,403,918
- Issue date Sep 13, 1983
- Buford J. Schramm
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Internal combustion engine
- Patent number D252148
- Issue date Jun 19, 1979
- Buford J. Schramm
- D15 - Machines not elsewhere specified
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Saw
- Patent number D251054
- Issue date Feb 13, 1979
- Buford J. Schramm
- D08 - Tools and hardware
Information Patent Grant
Process for making a composite cylinder head assembly
- Patent number 4,003,422
- Issue date Jan 18, 1977
- Buford J. Schramm
- B22 - CASTING POWDER METALLURGY
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Piston engine powered rotary drive with mount and fuel container
- Patent number 3,990,523
- Issue date Nov 9, 1976
- Buford J. Schramm
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR