Alexandr Ivanovich Danilov

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Leningrad, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of plasma multiarc welding by permanently burning direct-cur...
- Patent number 4,119,828
- Issue date Oct 10, 1978
- Vsesojuzny Nauchno-Issledovatelsky Proektno-Konstruktorsky i Tekhnologichesky...
- David Grigorievich Bykhovsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for DC reverse polarity plasma-arc working of...
- Patent number 4,058,698
- Issue date Nov 15, 1977
- David Grigorievich Bykhovsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR