With Uninterrupted Equatorial Circumferential Rib Patents (Class D12/586)
Zigzag type (Class D12/587)
Fully transected by sipe (Class D12/588)
Laterally opposed notches (Class D12/589)
Straight sides (Class D12/590)
  • Tire tread
    Patent number: D512683
    Type: Grant
    Filed: November 11, 2004
    Date of Patent: December 13, 2005
    Assignee: Bridgestone Firestone North American Tire, LLC
    Inventors: Keith A. Dumigan, James G. Guspodin, Timothy J. Lassan
  • Tire tread
    Patent number: D455394
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: April 9, 2002
    Assignee: Bridgestone/Firestone North American Tire, LLC
    Inventors: Timothy J. Lassan, Timothy F. Robinson, Robert M. Sanetick
  • Tire tread
    Patent number: D458582
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: June 11, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Christophe Rodicq, Phuoc Thuan Le, Jean-Francois Cazin-Bourguignon, Jean-Paul Pomes, Christian Jean-Marie Roger Bawin
  • Tire tread
    Patent number: D460406
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: July 16, 2002
    Assignee: Bridgestone/Firestone North American Tire, LLC
    Inventor: James G. Guspodin
  • Tread portion of an automobile tire
    Patent number: D531111
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: October 31, 2006
    Assignee: Bridgestone Corporation
    Inventor: Takayuki Fukunaga
  • Tire tread
    Patent number: D473185
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: April 15, 2003
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Basil Sameer Elkurd, Timothy Patrick Lovell, Daniel Thomas Murphy
  • Tire for automobile
    Patent number: D579865
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: November 4, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Takehiko Matsuyama, Hiroyuki Kurosawa
  • Tire for automobile
    Patent number: D579866
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: November 4, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Nariya Ohkubo
  • Tire tread
    Patent number: D584680
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: January 13, 2009
    Assignee: Michelin Recherche et Technique S.A.
    Inventor: John A. Hutz
  • Tire for automobile
    Patent number: D500009
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: December 21, 2004
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Nariya Okubo
  • Automobile tire
    Patent number: D500287
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: December 28, 2004
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Atsushi Gojo
  • Tire
    Patent number: D597479
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: August 4, 2009
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Alexandre Andre Scharis
  • Tire tread
    Patent number: D600634
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: September 22, 2009
    Assignee: Bridgestone Corporation
    Inventor: Tetsuya Takatsuki
  • Tire for automobile
    Patent number: D604231
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: November 17, 2009
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Yoshihiro Hada
  • Tire
    Patent number: D609175
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: February 2, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Georges Gaston Feider, Krzysztof Florian Jakubiak, Georges Valentin Adam
  • Tire
    Patent number: D613238
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: April 6, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Delwyn Lovell Harvey, Charles Joseph Ashton, John David Renner, Max Harold Dixon, Jonathan James Shondel, Richard Mark Wieland
  • Tire
    Patent number: D613679
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: April 13, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dale Edward Umstot, Eric Jon Berryman, John David Renner
  • Tire for automobile
    Patent number: D615028
    Type: Grant
    Filed: August 11, 2008
    Date of Patent: May 4, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Hiroaki Kajita, Hiroyuki Kurosawa
  • Tire tread
    Patent number: D615480
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: May 11, 2010
    Assignee: Cooper Tire & Rubber Company
    Inventor: Jeremy J. Jacobs
  • Tire
    Patent number: D619958
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: July 20, 2010
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Paul Bryan Maxwell
  • Tire
    Patent number: D621779
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: August 17, 2010
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventor: Isao Yonetsu
  • Pneumatic tire
    Patent number: D624009
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: September 21, 2010
    Assignees: Societe de Technologie Michelin, Michelin-Recherche et Technique S.A.
    Inventors: Mathieu Vandaele, Sylvie Lhospitalier, Gilles Sallaz
  • Tread portion of an automobile tire
    Patent number: D624873
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: October 5, 2010
    Assignee: Bridgestone Corporation
    Inventor: Daisuke Tamura
  • Tire tread
    Patent number: D627711
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: November 23, 2010
    Assignee: Cooper Tire & Rubber Company
    Inventor: Christopher D. Grote
  • Tire
    Patent number: D642116
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: July 26, 2011
    Assignee: Solideal Holding S.A.
    Inventor: Koenraad Pringiers
  • Tire tread
    Patent number: D642975
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: August 9, 2011
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Samuel O. Givens, James G. Guspodin
  • Tire
    Patent number: D644598
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: September 6, 2011
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventor: Seiji Yokomakura