Boris L. Grabchev

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Kiev, SU

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Patents Grantslast 30 patents

Information Patent Grant
Resistance flash butt welding process monitor
- Patent number 4,484,057
- Issue date Nov 20, 1984
- Institut Elektrosvarki Imeni E.O. Patona Akademii Nauk Ukrainskoi SSR
- Nikolai V. Podola
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welder for continuous resistance flash-butt welding
- Patent number 4,415,793
- Issue date Nov 15, 1983
- AN USSR Institut Elektrosvarki imeni E.O. Patona
- Nikolai V. Podola
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Machine for continuous flash butt welding
- Patent number 4,296,305
- Issue date Oct 20, 1981
- Viktor S. Lifshits
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR