Register Or Diffuser Patents (Class D23/388)
Baseboard type (Class D23/389)
Circular (Class D23/390)
Arched or curved top (Class D23/391)
Adjustable louver or damper (Class D23/392)
  • Air register with filter element
    Patent number: 5792230
    Abstract: An air register with a filter element for filtering particulars from the air flowing from the ductwork into a room. The filter element is replaceable as necessary and is sandwiched within a recess in the register face plate by a pivotable retaining plate. The retaining plate lockingly engages the face plate to retain the filter across the openings of the register. The retaining member facilitates replacement of the filter without having to remove or disassemble the body of the register.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: August 11, 1998
    Assignee: Melard Manufacturing Corp.
    Inventors: Glenn David Moore, Magno Ouano
  • Multipurpose grille
    Patent number: D436162
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: January 9, 2001
    Inventor: Dany B{acute over (e)}rub{acute over (e)}
  • Heating register
    Patent number: D462757
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: September 10, 2002
    Inventor: Michael Pettit
  • Heat register
    Patent number: D315790
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: March 26, 1991
    Inventor: Juergen R. Koessler
  • Hood for vent mounting on window sill or frame
    Patent number: D321743
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: November 19, 1991
    Assignee: Brook Design Products Limited
    Inventors: Alan V. Logue, William Divers
  • Vent for mounting on window sill or frame
    Patent number: D321934
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: November 26, 1991
    Assignee: Brook Design Products Limited
    Inventors: Alan V. Logue, William Divers
  • Air diffuser
    Patent number: D325434
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: April 14, 1992
    Assignee: Continental Industries, Inc.
    Inventor: Thomas R. Dosmann
  • Grille for a floor register
    Patent number: D328344
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: July 28, 1992
    Assignee: Lois Ziebarth
    Inventor: Thomas Heidtke
  • Combined ceiling diffuser and air deflector pendulum for providing different air flow patterns for heating and cooling
    Patent number: D331102
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: November 17, 1992
    Assignee: Hart & Cooley, Inc.
    Inventor: Johan K. Rademaker
  • Grille for a floor register
    Patent number: D338060
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: August 3, 1993
    Assignee: Lois Ziebarth
    Inventor: O. B. Solie
  • Desk mountable air distribution unit to be attached to a hose
    Patent number: D343449
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: January 18, 1994
    Inventor: Peter A. D. Mill
  • Louvered vent for boats
    Patent number: D351903
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: October 25, 1994
    Assignee: Attwood Corporation
    Inventor: Warwick M. Whitley, II
  • Electronics cabinet venting louver door panel
    Patent number: D357732
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: April 25, 1995
    Assignee: EMC Corporation
    Inventors: Lee Spechts, Paul Tirrell
  • Decorative grille for a vent
    Patent number: D361378
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: August 15, 1995
    Assignee: Woodwinds Metal & Hardware Inc.
    Inventor: Micheal Mitchell
  • Register cover
    Patent number: D362059
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: September 5, 1995
    Inventor: William Wojcik
  • Heater grill
    Patent number: D374927
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: October 22, 1996
    Assignee: Chalair Electrik Inc.
    Inventor: John Chabot
  • Floor register
    Patent number: D376006
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: November 26, 1996
    Assignee: Ripponlea Australia Pty. Ltd.
    Inventor: Morris Smolarski
  • Floor register grille
    Patent number: D377083
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: December 31, 1996
    Assignee: Ripponlea Australia Pty. Ltd.
    Inventor: Morris Smolarski
  • Floor register
    Patent number: D378851
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: April 15, 1997
    Assignee: Ripponlea Australia Pty. Ltd.
    Inventor: Morris Smolarski
  • Floor register
    Patent number: D378852
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: April 15, 1997
    Assignee: Ripponlea Australia Pty. Ltd.
    Inventor: Morris Smolarski
  • Air diffuser for discharge ducts of air distribution systems
    Patent number: D379502
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: May 27, 1997
    Inventor: David J. Landau
  • Air diffuser guard
    Patent number: D387155
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: December 2, 1997
    Inventor: Mike T. Callas
  • Heat register
    Patent number: D393708
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: April 21, 1998
    Inventor: Masoud Assadi
  • Electric baseboard heater facade
    Patent number: D394695
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: May 26, 1998
    Inventor: Ghislain Blais
  • Supply air device
    Patent number: D399940
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: October 20, 1998
    Assignee: Air Innovation Sweden AB
    Inventor: Bernt Nystrom
  • Supply air device
    Patent number: D399941
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: October 20, 1998
    Assignee: Air Innovation Sweden AB
    Inventor: Bernt Nystrom
  • Register faceplate
    Patent number: D407480
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: March 30, 1999
    Assignee: Continental Industries, Inc.
    Inventors: David D. Leiter, Gerald D. Haynes
  • Air diffuser
    Patent number: D434488
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 28, 2000
    Inventor: Randall L. Smith
  • Slant top air diffuser
    Patent number: D434489
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: November 28, 2000
    Inventor: Randall L. Smith