Stepan P. Shamenko

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Dnepropetrovsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Thread-rolling tool
- Patent number 4,498,322
- Issue date Feb 12, 1985
- Gennady A. Toropov
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for forming on workpiece resilient thread having closed heli...
- Patent number 4,491,002
- Issue date Jan 1, 1985
- Gennady A. Toropov
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and tool for making elastic thread having closed helical cav...
- Patent number 4,426,870
- Issue date Jan 24, 1984
- Dnepropetrovsky Gorny Institut Imeni Artema
- Gennady A. Toropov
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tap for pressing elastic thread profiles
- Patent number 4,409,698
- Issue date Oct 18, 1983
- Gennady A. Toropov
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR