Donald R. Spriggs

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Schenectady, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Reinforced multilayer filament reinforced ring structure
- Patent number 5,312,695
- Issue date May 17, 1994
- General Electric Company
- Paul A. Siemers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High strength structure assembly and method of making the same
- Patent number 5,262,220
- Issue date Nov 16, 1993
- Chem-tronics, Inc.
- Donald R. Spriggs
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Reinforced multilayer filament reinforced ring structure
- Patent number 5,253,794
- Issue date Oct 19, 1993
- General Electric Company
- Paul A. Siemers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Silicon carbide fiber-reinforced titanium base composites of improv...
- Patent number 4,978,585
- Issue date Dec 18, 1990
- General Electric Company
- Ann M. Ritter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solid particle erosion resistant coating utilizing titanium carbide
- Patent number 4,704,336
- Issue date Nov 3, 1987
- General Electric Company
- Donald R. Spriggs
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Solid particle erosion resistant coating utilizing titanium carbide...
- Patent number 4,615,734
- Issue date Oct 7, 1986
- General Electric Company
- Donald R. Spriggs
- B22 - CASTING POWDER METALLURGY