TREA

Sergei D. Ryabov

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  • St. Petersburg, RU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Powder filling utilizing vibrofluidization
    • Patent number 6,347,648
    • Issue date Feb 19, 2002
    • Xerox Corporation
    • Paul M. Wegman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Powder filling utilizing vibrofluidization
    • Patent number 6,196,278
    • Issue date Mar 6, 2001
    • Xerox Corporation
    • Paul M. Wegman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Oscillating valve for powders
    • Patent number 5,947,169
    • Issue date Sep 7, 1999
    • Xerox Corporation
    • Paul M. Wegman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vibratory filler for powders
    • Patent number 5,909,829
    • Issue date Jun 8, 1999
    • Xerox Corporation
    • Paul M. Wegman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL