TREA

Ralph F. Divirgilio

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  • Holden, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling mill oil film bearing
    • Patent number 7,857,522
    • Issue date Dec 28, 2010
    • Siemens Industry, Inc.
    • Peter N. Osgood
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Neck seal
    • Patent number 4,586,720
    • Issue date May 6, 1986
    • Morgan Construction Company
    • Thomas E. Simmons
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Double jointed coolant seal
    • Patent number 4,585,236
    • Issue date Apr 29, 1986
    • Morgan Construction Company
    • Thomas E. Simmons
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Coolant seal for rolling mill oil film bearing
    • Patent number 4,455,856
    • Issue date Jun 26, 1984
    • Morgan Construction Company
    • Lowell S. Salter
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROLLING MILL OIL FILM BEARING SLEEVE WITH FILLED KEYWAY
    • Publication number 20080207420
    • Publication date Aug 28, 2008
    • Ralph DiVirgilio
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ROLLING MILL OIL FILM BEARING
    • Publication number 20080181541
    • Publication date Jul 31, 2008
    • Peter N. Osgood
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...