Exhaust Type Patents (Class D23/371)
Range or oven (Class D23/372)
Roof or chimney (Class D23/373)
  • Exhaust fan
    Patent number: D444869
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: July 10, 2001
    Inventor: Chung Lun Yip
  • Exhaust switching unit
    Patent number: D445886
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: July 31, 2001
    Assignee: CKD Corporation
    Inventors: Yoji Mori, Hiroshi Kino, Yuji Matsuoka, Akira Murakumo, Hiroshi Kagohashi
  • Fume extractor
    Patent number: D448839
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: October 2, 2001
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Artem Mishin, Michael Carlomagno
  • Ceiling recessed type ventilating fan
    Patent number: D457232
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: May 14, 2002
    Assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Seiko Co., Ltd
    Inventor: Hitoshi Miura
  • Exhaust fan housing
    Patent number: D292312
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: October 13, 1987
    Inventor: Dirk Van Ee
  • Fume hood
    Patent number: D293464
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: December 29, 1987
    Assignee: St. Charles Manufacturing Co.
    Inventors: G. Thomas Saunders, William E. Baitinger
  • Ventilated work station
    Patent number: D296712
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: July 12, 1988
    Assignee: B.V. Clean Air Technieke
    Inventor: Rudi Bianchetti
  • Axial fan
    Patent number: D297761
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: September 20, 1988
    Inventor: Manabu Shiraki
  • Radon exhaust vent cap
    Patent number: D309181
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: July 10, 1990
    Inventor: Ronald F. Simon
  • Airbrush spray booth
    Patent number: D311576
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: October 23, 1990
    Assignee: Simair Graphics Equipments Limited
    Inventor: Simon J. Everingham
  • Nozzle for commode deoderizer
    Patent number: D316143
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: April 9, 1991
    Inventor: Jan D. Lipps
  • Vent cap cover
    Patent number: D320267
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: September 24, 1991
    Inventor: Allen C. Thomas
  • Louvered vent cap cover
    Patent number: D320847
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: October 15, 1991
    Inventor: Robert Lanigan
  • Dual fan filtered portable spray booth for use by graphic artists
    Patent number: D323707
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: February 4, 1992
    Assignee: Safety Island Products Inc.
    Inventor: Joseph Fay
  • Fan filtering portable spray booth or similar article for use by graphic artists
    Patent number: D325078
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: March 31, 1992
    Assignee: Safety Island Products Inc
    Inventor: Joseph Fay
  • Articulated exhausting arm unit
    Patent number: D327122
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: June 16, 1992
    Assignee: J.H. Products
    Inventor: Ambjorn Holmgren
  • Ventilator
    Patent number: D329086
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: September 1, 1992
    Inventor: Germain Courchesne
  • Vent cap cover
    Patent number: D330415
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: October 20, 1992
    Inventor: Allen C. Thomas
  • Extraction hood for use in an extraction system to exhaust fumes from a work station
    Patent number: D332305
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: January 5, 1993
    Assignee: AB Ph. Nederman & Co.
    Inventor: Hakan R. Karlsson
  • Toilet ventilator
    Patent number: D337818
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: July 27, 1993
    Inventor: Talmadge Rutherford
  • Fume hood
    Patent number: D346437
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: April 26, 1994
    Assignee: Kewaunee Scientific Corporation
    Inventors: Rudolph Poblete, Kurt Rindoks
  • Filter hood
    Patent number: D349158
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: July 26, 1994
    Assignee: Standex International Corporation
    Inventor: Leonard R. Lieblein
  • Roof-mounted smoke exhaust for use in removing cigarette smoke from the interior of an automobile
    Patent number: D349763
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: August 16, 1994
    Inventor: Dean R. Cromer
  • Commode deodorizing unit
    Patent number: D350186
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: August 30, 1994
    Inventor: Clifford M. Cook
  • Toilet tank ventilating cover
    Patent number: D351463
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: October 11, 1994
    Inventor: David W. McCormick
  • Fume hood with a split sash
    Patent number: D360682
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: July 25, 1995
    Assignee: Labconco Corporation
    Inventors: Kevin C. Gilkison, Paul H. Morphy, Duane S. Tener, James F. Corn
  • Dryer vent for half block foundation opening
    Patent number: D371828
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: July 16, 1996
    Inventor: Johnny B. Priest
  • Combined lens and grill cover for a bathroom exhaust fan with integral light fixture
    Patent number: D372775
    Type: Grant
    Filed: June 24, 1995
    Date of Patent: August 13, 1996
    Assignee: NuTone Inc.
    Inventor: Norman F. Schuler
  • Combined turbine exhaust vent and vent hatch cover
    Patent number: D380044
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: June 17, 1997
    Inventor: Stewart Tobias
  • Range hood
    Patent number: D380823
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: July 8, 1997
    Assignee: Broan Mfg. Co., Inc.
    Inventor: Ralph M. LaZar
  • Ventilating fan
    Patent number: D387859
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: December 16, 1997
    Assignees: Matsushita Seiko Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Minoru Ukai, Eiji Sueta
  • Range hood
    Patent number: D390648
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: February 10, 1998
    Assignee: VentAHood Company, a limited partnership of State of Texas
    Inventor: Miles Woodall, III
  • Exhaust vent cover
    Patent number: D390948
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: February 17, 1998
    Assignee: Deflecto Corporation
    Inventor: Stephen T. Meyer
  • Ventilating fan
    Patent number: D394101
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: May 5, 1998
    Assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Seiko Co., Ltd.
    Inventors: Kyo Hayashi, Hitoshi Miura
  • Ventilator hood
    Patent number: D396277
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: July 21, 1998
    Inventors: James M. Wallace, Michael R. Rayburn
  • Hooded exhaust vent
    Patent number: D397431
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: August 25, 1998
    Assignee: Deflecto Corporation
    Inventor: Stephen T. Meyer
  • Combined toilet seat air vent and exhaust system
    Patent number: D402747
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: December 15, 1998
    Inventors: Robert Yeatts, Jr., Robert Yeatts, Sr.
  • Ventilating fan
    Patent number: D404122
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: January 12, 1999
    Assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Seiko Co., Ltd.
    Inventors: Kyo Hayashi, Hitoshi Miura
  • Ventilating fan
    Patent number: D409741
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: May 11, 1999
    Assignee: Goldmaster Development Limited
    Inventor: Lam Yuen-Ming
  • Air conditioner
    Patent number: D416315
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: November 9, 1999
    Assignee: Fujitsu General Limited
    Inventor: Satoshi Nanjo
  • Suction hood
    Patent number: D424678
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: May 9, 2000
    Assignee: Plymovent Aktiebolag
    Inventor: Ambjorn Holmgren
  • Air conditioner
    Patent number: D426292
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: June 6, 2000
    Assignee: Fujitsu General Limited
    Inventor: Satashi Nanjo