Vent, Ductwork, Or Element Thereof Patents (Class D23/393)
Stovepipe (Class D23/394)
  • Portion of ductwork
    Patent number: D529598
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: October 3, 2006
    Assignee: Langdon Incorporated
    Inventors: Michael N. Sandman, Joseph P. Sandman
  • Gasket
    Patent number: D534253
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: December 26, 2006
    Assignee: Langdon Incorporated
    Inventors: Michael N. Sandman, Joseph P. Sandman
  • Air flow controller for an air vent
    Patent number: D536436
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: February 6, 2007
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Roof vent
    Patent number: D536778
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: February 13, 2007
    Inventor: Carolina O'Hagin
  • Ventilation apparatus
    Patent number: D536779
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: February 13, 2007
    Assignee: Stego-Holding GmbH
    Inventors: Ulrich Lerche, Robert Dent
  • Ventilation apparatus
    Patent number: D536780
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: February 13, 2007
    Assignee: Stego-Holding GmbH
    Inventors: Ulrich Lerche, Robert Dent
  • Plastic air vent block
    Patent number: D537519
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: February 27, 2007
    Assignee: Lakewood Concrete Construction, Inc.
    Inventor: Daniel Sigillo
  • Air flow controller for an air vent
    Patent number: D537520
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: February 27, 2007
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Duct boot with straight and elbow inlets
    Patent number: D537934
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: March 6, 2007
    Inventor: Dale J. Crook
  • Poke through
    Patent number: D541405
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: April 24, 2007
    Assignee: SGC Technologies, L.L.C.
    Inventor: Darryl L. Snyder
  • Custom vent visor
    Patent number: D546935
    Type: Grant
    Filed: August 2, 2005
    Date of Patent: July 17, 2007
    Inventor: Brian G. Arrowood
  • Tapered composition vent
    Patent number: D549316
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: August 21, 2007
    Inventors: Harry T. O'Hagin, Carolina O'Hagin
  • Vent cover
    Patent number: D550346
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: September 4, 2007
    Inventor: Robert J. Ness
  • Duct hanger
    Patent number: D550831
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: September 11, 2007
    Inventor: Matthew S. Rausch
  • Vent cap
    Patent number: D552725
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: October 9, 2007
    Assignee: Simpson Dura-Vent Company, Inc.
    Inventors: John R. Jacklich, Eric Adair
  • Direct vent cap
    Patent number: D552726
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: October 9, 2007
    Assignee: Simpson Dura-Vent Company, Inc.
    Inventors: John R. Jacklich, Eric Adair
  • Vent cover
    Patent number: D554749
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: November 6, 2007
    Inventor: Robert J. Ness
  • Flat tile vent
    Patent number: D555237
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: November 13, 2007
    Inventor: Harry T. O'Hagin
  • Drip pan
    Patent number: D555780
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: November 20, 2007
    Inventor: John Wanninger
  • Roof vent
    Patent number: D556314
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: November 27, 2007
    Inventors: William B. Daniels, II, Gregory S. Daniels
  • Crawlspace periscope air vent
    Patent number: D556315
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: November 27, 2007
    Inventors: James S Jackson, William G. Sykes
  • Trunk line take-off
    Patent number: D558325
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: December 25, 2007
    Assignee: Dura-Tite Systems, LLC
    Inventor: James A. Karnes
  • Flexible duct
    Patent number: D566826
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: April 15, 2008
    Assignee: G.L.V. International (1995)Ltd;
    Inventors: Graeme Liebson, Robert Cohen
  • Air-conditioning duct with fan
    Patent number: D569962
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: May 27, 2008
    Assignee: Daikin Industries Ltd.
    Inventors: Toshiyuki Nishio, Junji Nakamura, Manabu Katou, Kaichi Tsuji, Yuuichi Murai, Kouichirou Seki, Kentarou Niki, Dai Satou, Yumi Ohta, Hiroko Kashimoto, Masahiko Chouji
  • Integral ductwork takeoff
    Patent number: D571908
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: June 24, 2008
    Assignee: Sheet Metal Connectors, Inc.
    Inventor: James R. Myers
  • Off-peak intake vent
    Patent number: D574947
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 12, 2008
    Assignee: Air Vent, Inc.
    Inventors: Phillip R. Grisham, Robert Bradley Holland
  • Fan duct for air conditioner
    Patent number: D576721
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: September 9, 2008
    Assignee: Daikin Industries Ltd.
    Inventors: Toshiyuki Nishio, Junji Nakamura, Manabu Katou, Kaichi Tsuji, Yuuichi Murai, Kouichirou Seki, Kentarou Niki, Dai Satou, Yumi Ohta, Hiroko Kashimoto, Masahiko Chouji
  • Fan duct for air conditioner
    Patent number: D576722
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: September 9, 2008
    Assignee: Daikin Industries Ltd.
    Inventors: Toshiyuki Nishio, Junji Nakamura, Manabu Katou, Kaichi Tsuji, Yuuichi Murai, Kouichirou Seki, Kentarou Niki, Dai Satou, Yumi Ohta, Hiroko Kashimoto, Masahiko Chouji
  • Flood vent
    Patent number: D576723
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 9, 2008
    Inventor: John J. Achen
  • Elbow for flexible duct
    Patent number: D580543
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: November 11, 2008
    Inventor: Dale J. Crook
  • Baffle vent with transverse ribs for use in roof ventilation
    Patent number: D581511
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: November 25, 2008
    Assignee: Brentwood Industries, Inc
    Inventors: David B. Rosten, David J. Bonanni, Richard Pirino
  • Flood vent without flange
    Patent number: D582029
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: December 2, 2008
    Inventor: John J. Achen
  • Fan duct for air conditioner
    Patent number: D586454
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: February 10, 2009
    Assignee: Daikin Industries Ltd.
    Inventors: Toshiyuki Nishio, Junji Nakamura, Manabu Katou, Kaichi Tsuji, Yuuichi Murai, Kouichirou Seki, Kentarou Niki, Dai Satou, Yumi Ohta, Hiroko Kashimoto, Masahiko Chouji
  • Vent cap device
    Patent number: D590933
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: April 21, 2009
    Assignee: MCP Industries, Inc.
    Inventors: Christopher Vansell, Fred Collins, Richard Getze
  • Vent cap
    Patent number: D594964
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: June 23, 2009
    Assignee: Panasonic Corporation
    Inventors: Hiroshi Miyake, Nobuyuki Mase
  • Soffit vent
    Patent number: D600791
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: September 22, 2009
    Assignee: Graceland Properties, LLC
    Inventor: Joseph H. Wyman
  • Dust collection adapter with blast gate
    Patent number: D604828
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: November 24, 2009
    Assignee: Rockler Comapnies, Inc.
    Inventors: Steven Krohmer, Daniel Banasik
  • Roof pipe boot
    Patent number: D606186
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: December 15, 2009
    Inventor: Ryan W. Routh
  • Crawl space recessed vent cover
    Patent number: D607098
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: December 29, 2009
    Inventor: William G. Sykes
  • Air vent
    Patent number: D607555
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: January 5, 2010
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Duct joint
    Patent number: D612925
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: March 30, 2010
    Assignee: Noritz Corporation
    Inventors: Shuji Kameyama, Masato Doyama
  • Drying apparatus for mounting on a heat vent
    Patent number: D616537
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: May 25, 2010
    Inventor: Laura Gosko-Sadowski
  • Vented soffit panel
    Patent number: D617442
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: June 8, 2010
    Inventor: Gerald E. Grages
  • Round burner with shutters
    Patent number: D617890
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: June 15, 2010
    Assignee: Esmart Group Pty Limited
    Inventor: Stephane Thomas
  • Vent pipe using ultraviolet light for purification of discharge gases
    Patent number: D618784
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: June 29, 2010
    Inventor: Roy E. Underwood
  • Air vent
    Patent number: D621925
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: August 17, 2010
    Assignee: The Boeing Company
    Inventors: Harold Glenn Erickson, Paul T. Bridgeman, Bryan Arnold Branscome, Fernando Erasmo Pedroza, Tina Marie Lanfear
  • Poke through
    Patent number: D623285
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 7, 2010
    Assignee: SGC Technologies, L.L.C.
    Inventor: Darryl L. Snyder
  • Poke through
    Patent number: D623730
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 14, 2010
    Assignee: SGC Technologies, L.L.C.
    Inventor: Darryl L. Snyder
  • Poke through
    Patent number: D623731
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: September 14, 2010
    Assignee: SGC Technologies, L.L.C.
    Inventor: Darryl L. Snyder
  • Vent
    Patent number: D626644
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: November 2, 2010
    Assignee: Broan-Nutone LLC
    Inventors: Corey Scott Jacak, Kenneth J. Jonas, Robert G. Penlesky