Tail Pipe Extension Or Muffler Patents (Class D12/194)
  • Combined muffler and spark arrestor
    Patent number: D246038
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: October 11, 1977
    Assignee: Discojet Corporation
    Inventor: Paul S. Moller
  • Exhaust gas diffuser for an automobile engine
    Patent number: D247360
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: February 28, 1978
    Assignee: Kabushiki-Kaisha Taiyo
    Inventors: Kazuhiro Hamaguchi, Yasuaki Oku
  • Exhaust pipe
    Patent number: D248463
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: July 11, 1978
    Inventor: Robert Barnes
  • Exhaust stack
    Patent number: D254904
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: May 6, 1980
    Inventor: Edward J. Swearingen
  • Engine exhaust header pipe unit
    Patent number: D255112
    Type: Grant
    Filed: October 16, 1978
    Date of Patent: May 27, 1980
    Assignee: American Turbo-Pak, Inc.
    Inventor: Steven B. Alexander
  • Combined air muffler and filter
    Patent number: D261501
    Type: Grant
    Filed: August 10, 1979
    Date of Patent: October 27, 1981
    Assignee: Coilhose Pneumatics, Inc.
    Inventor: Michael Schenker
  • Filter
    Patent number: D263496
    Type: Grant
    Filed: September 24, 1979
    Date of Patent: March 23, 1982
    Assignee: Whatman Reeve Angel Limited
    Inventors: Philip C. Kimball, Julian S. Natanson
  • Automobile manifolds
    Patent number: D266167
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: September 14, 1982
    Inventor: Benny Lindbrandt
  • Muffler for a valve
    Patent number: D267968
    Type: Grant
    Filed: September 30, 1980
    Date of Patent: February 15, 1983
    Assignee: Ross Operating Valve Company
    Inventors: Earl Beach, Calvin Matle
  • Multiple-tubed exhaust unit for automotive vehicles
    Patent number: D271963
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: December 27, 1983
    Inventor: Frank E. Perkins
  • Multigap fume diluter
    Patent number: D274509
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: July 3, 1984
    Assignee: Haskel Energy Systems Ltd.
    Inventor: Derek L. Aldred
  • Expansion chamber
    Patent number: D278326
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: April 9, 1985
    Inventor: John E. Equi
  • Central muffler
    Patent number: D288311
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: February 17, 1987
    Assignee: Saab-Scania Aktiebolag
    Inventor: Juan M. Garcia
  • Muffler for boats
    Patent number: D289295
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: April 14, 1987
    Assignee: Kaama Marine Engineering, Inc.
    Inventor: John A. Connor
  • Combined manifold cowling and exhaust piping
    Patent number: D289766
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: May 12, 1987
    Inventor: Kirk D. Evans
  • Exhaust manifold
    Patent number: D291576
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: August 25, 1987
    Assignee: Teledyne Industries, Inc.
    Inventor: Ronald E. Wilkinson
  • Rain cap for an engine exhaust stack or pipe
    Patent number: D294936
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: March 29, 1988
    Inventor: Robert Brill
  • Wetbike muffler pipe
    Patent number: D299917
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: February 21, 1989
    Inventor: Christopher L. Lessel
  • Marine engine exhaust unit
    Patent number: D318840
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: August 6, 1991
    Assignee: Marine Muffler Corporation
    Inventor: Charles C. Miles, Jr.
  • Sound muffler for lawn mower
    Patent number: D345167
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: March 15, 1994
    Inventor: Jung W. Lee
  • Tail-pipe extension
    Patent number: D351579
    Type: Grant
    Filed: March 26, 1993
    Date of Patent: October 18, 1994
    Inventor: Arnold Simpson
  • Exhaust duct
    Patent number: D357665
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: April 25, 1995
    Assignee: Lockheed Corporation
    Inventor: Don S. Creyts
  • Exhaust system pressure control
    Patent number: D360178
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: July 11, 1995
    Inventor: William E. Thomas
  • Conformal stamp formed muffler
    Patent number: D363908
    Type: Grant
    Filed: August 18, 1994
    Date of Patent: November 7, 1995
    Assignee: AP Parts Manufacturing Company
    Inventor: Ross A. Maag
  • Vehicular pipe
    Patent number: D364596
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: November 28, 1995
    Inventor: James C. Stewart
  • Automotive non-stock exhaust header
    Patent number: D368247
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: March 26, 1996
    Inventor: Mack L. Jones
  • RV generator exhaust system
    Patent number: D369583
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: May 7, 1996
    Inventor: Dean C. Shirley
  • Muffler
    Patent number: D373561
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: September 10, 1996
    Assignee: R.L.V. Tuned Exhaust Products, Inc.
    Inventor: Arthur R. Verlengiere
  • Muffler
    Patent number: D373983
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: September 24, 1996
    Assignee: R.L.V. Tuned Exhaust Products, Inc.
    Inventor: Rodney L. Verlengiere
  • Automobile exhaust decoupler
    Patent number: D374647
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: October 15, 1996
    Assignee: Anamet, Inc.
    Inventor: Gian L. Capra
  • Vehicle attached decorative trim
    Patent number: D377778
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: February 4, 1997
    Inventor: Allan D. Houser
  • Exhaust pipe adapter
    Patent number: D381308
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: July 22, 1997
    Inventor: Michael J. Manning
  • Baffled chrome exhaust tip
    Patent number: D384319
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: September 30, 1997
    Inventor: Harut Harutiunian
  • Exhaust pipe system for motorcycle
    Patent number: D385523
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: October 28, 1997
    Inventor: Alexander Borla
  • RV generator exhaust coupler
    Patent number: D386137
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: November 11, 1997
    Assignee: Camco Manufacturing, Inc.
    Inventor: Mark R. Bailey
  • Exhaust system
    Patent number: D392928
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 31, 1998
    Assignee: TBR, Inc.
    Inventors: Craig Erion, Christopher Samhammer
  • Muffler
    Patent number: D394236
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: May 12, 1998
    Inventor: Arthur R. Verlengiere
  • Motorcycle muffler
    Patent number: D397319
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: August 25, 1998
    Inventor: Calvin C. Hoagland, IV