TREA

Robert O. Ruff

Follow

Person

  • Cincinnati, OH, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Door frame for metal buildings
    • Patent number 6,405,506
    • Issue date Jun 18, 2002
    • Ingersoll-Rand Company
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Wall construction
    • Patent number 6,148,572
    • Issue date Nov 21, 2000
    • Ingersoll-Rand Company
    • Robert O. Ruff
    • E04 - BUILDING
  • Information Patent Grant

    Wall construction
    • Patent number 6,079,181
    • Issue date Jun 27, 2000
    • Ingersoll-Rand Company
    • Robert O. Ruff
    • E04 - BUILDING
  • Information Patent Grant

    Door frame installing fixture
    • Patent number 5,704,171
    • Issue date Jan 6, 1998
    • Ingersoll-Rand Co.
    • Robert O. Ruff
    • E04 - BUILDING
  • Information Patent Grant

    Anchor for metal door frame
    • Patent number 5,669,198
    • Issue date Sep 23, 1997
    • Ingersoll-Rand Company
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Pre-finished metal door frame
    • Patent number 5,619,823
    • Issue date Apr 15, 1997
    • Ingersoll-Rand Co.
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Metal frame assembly
    • Patent number 5,581,953
    • Issue date Dec 10, 1996
    • Ingersoll-Rand
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door window glass and frame assembly
    • Patent number 5,323,579
    • Issue date Jun 28, 1994
    • Masco Industries, Inc.
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Hinge preparation assembly for a steel door
    • Patent number 4,547,930
    • Issue date Oct 22, 1985
    • American Standard Inc.
    • Donald L. King
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Weather sealing assembly for doors
    • Patent number 4,255,902
    • Issue date Mar 17, 1981
    • American Standard Inc.
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Blank filler plate for lock edge cut-out
    • Patent number 4,213,317
    • Issue date Jul 22, 1980
    • American Standard Inc.
    • Robert O. Ruff
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Door frame for metal buildings
    • Publication number 20010001918
    • Publication date May 31, 2001
    • Robert O. Ruff
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS