TREA

Gennady Grigorievich Derkach

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  • Moscow, RU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a gas generator of welded-brazed construction
    • Patent number 6,321,450
    • Issue date Nov 27, 2001
    • Otkrytoe Aktsionernoe Obschestvo Nauchnoproizvodstvennoe Obiedinenie “Energom...
    • Viktor Nikonorovich Semenov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Liquid-propellant rocket engine with turbine gas afterburning
    • Patent number 6,226,980
    • Issue date May 8, 2001
    • Otkrytoe Aktsionernoe Obschestvo “Nauchno” Proizvodstvennoe Obiedinenie Energ...
    • Boris Ivanovich Katorgin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method for producing a multilayer thin-walled bellows of stainless...
    • Patent number 6,222,148
    • Issue date Apr 24, 2001
    • Oykrutoe Aktsioneroe Obschestvo “Nauchno-Proizvodstvennoe Obiedinenie”Energom...
    • Viktor Nikonorovich Semenov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing multilayer thin-walled bellows
    • Patent number 6,202,281
    • Issue date Mar 20, 2001
    • Otkrytoe Aktsionernoe Obschestvo “Nauchno-Proizvodstvennoe Obiedinenie “Energ...
    • Viktor Nikonorovich Semenov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for making a welded joint
    • Patent number 6,180,918
    • Issue date Jan 30, 2001
    • Otkrytoe Aktsionernoe Obschestvo “Nauchno-Proizvodstvennoe Obiedinenie “Energ...
    • Viktor Nikonorovich Semenov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for making a welded joint
    • Patent number 6,180,919
    • Issue date Jan 30, 2001
    • Otkrytoe Aktsionernoe Obschestvo “Nauchno-Proizvodstvennoe Obiedinenie “Energ...
    • Viktor Nikonorovich Semenov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a welded-brazed combustion chamber
    • Patent number 6,107,596
    • Issue date Aug 22, 2000
    • Otkrytoe Aktsionernoe Obschestvo "Nauchno-Proizvodstvennoe Obiedinenie "Energ...
    • Viktor Nikonorovich Semenov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR