Tractor Type (includes Grader Or Bulldozer) Patents (Class D15/23)
Endless track (Class D15/24)
With scoop or blade (Class D15/25)
  • Agricultural tractor
    Patent number: D501487
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: February 1, 2005
    Assignee: Kubota Corporation
    Inventors: Hisato Katoh, Kenichi Sato
  • Skid steer loader with extendable lift arms
    Patent number: D504136
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: April 19, 2005
    Assignee: Clark Equipment Company
    Inventors: Larry E. Albright, James E. Asche, Dan Frederick, Thomas J. Roan, Gary W. Weddle
  • Tractor
    Patent number: D513268
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: December 27, 2005
    Assignee: Shandong Foton Heavy Industries Co., Ltd.
    Inventors: Jinfu Wang, Zhi Chi, Jinguang Zhu, Minge Chen, Jinhua Wang, Wenzhong Liu, Yuanfu Wang, Zhengyu Li
  • Small loader
    Patent number: D516587
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: March 7, 2006
    Assignee: Clark Equipment Company
    Inventors: Mark F. Bares, James H. Page
  • Agricultural tractor
    Patent number: D519130
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: April 18, 2006
    Assignee: Kubota Corporation
    Inventors: Yoshitaka Higashikawa, Hitoshi Aoyama
  • Agricultural tractor
    Patent number: D519131
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: April 18, 2006
    Assignee: Kubota Corporation
    Inventors: Junta Kuwae, Mitsuhiko Obe
  • Wheel loader
    Patent number: D520525
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: May 9, 2006
    Assignee: TCM Corporation
    Inventors: Yoshiyuki Enmeiji, Yoshiharu Uchida, Takayuki Itou, Yusuke Kamo, Satoshi Horibe
  • Tractor
    Patent number: D523027
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: June 13, 2006
    Assignee: Yanmar Co. Ltd.
    Inventors: Masaaki Yamashita, Kunihiko Sakamoto, Hiroaki Ayabe, Seiji Sakada, Makiko Tajima
  • Tractor
    Patent number: D526335
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: August 8, 2006
    Assignee: Kubota Corporation
    Inventors: Junta Kuwae, Masatoshi Iwamoto, Toshikatsu Otani
  • Tractor
    Patent number: D527026
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: August 22, 2006
    Assignee: Kubota Corporation
    Inventors: Junta Kuwae, Koichiro Kan, Takao Nishikawa
  • Tractor
    Patent number: D537454
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: February 27, 2007
    Assignee: Kubota Corporation
    Inventors: Yoshitaka Higashikawa, Takeshi Komorida, Tetsuo Tokunaga
  • Tractor
    Patent number: D542308
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: May 8, 2007
    Assignee: Yanmar Co., Ltd.
    Inventors: Yozo Oka, Toshiyuki Shin, Nobuaki Takahashi, Noboru Yamamoto
  • Tractor
    Patent number: D547333
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: July 24, 2007
    Assignee: Yanmar Co., Ltd.
    Inventors: Yoichiro Nishi, Kensaku Wakuta, Toshikazu Matsubayashi, Junko Shibaoka, Kunihiko Matsumoto, Kenji Shiba, Yuki Otomo, Naoki Yamamoto, Masahiro Hanafusa
  • Portion of a motor grader
    Patent number: D548752
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: August 14, 2007
    Assignee: Caterpillar Inc
    Inventors: Mazin M. Merghani, Chad Stollenwerk, Sarath B. Chirumamila, Jeffrey A. Brush, Craig B. Kelley, Michael T. Baltes, Ashley D. Menges, Aaron Stritesky, Ryan Roudebush
  • Front portion of a motor grader
    Patent number: D549743
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: August 28, 2007
    Assignee: Caterpillar Inc
    Inventors: Mazin M. Merghani, Chad Stollenwerk, Sarath B. Chirumamila, Jeffrey A. Brush, Craig B. Kelley, Michael T. Baltes, Ashley D. Menges, Aaron Stritesky
  • Portion of a tractor
    Patent number: D550251
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: September 4, 2007
    Assignee: Yanmar Co., Ltd.
    Inventors: Kunihiko Matsumoto, Junko Shibaoka
  • Forward cab articulated tractor
    Patent number: D550722
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: September 11, 2007
    Assignee: M-B Companies, Inc.
    Inventor: Robert A. Doll
  • Tractor
    Patent number: D553159
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: October 16, 2007
    Assignee: Kubota Corporation
    Inventors: Yoshitaka Higashikawa, Hitoshi Aoyama, Kenkichi Hirakawa, Shigeo Shoen, Takafumi Komatsu
  • Tractor
    Patent number: D555674
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: November 20, 2007
    Assignee: Kubota Corporation
    Inventor: Junta Kuwae
  • Portion of a motor grader
    Patent number: D557711
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: December 18, 2007
    Assignee: Caterpillar Inc.
    Inventors: Mazin M. Merghani, Chad Stollenwerk, Sarath B. Chirumamila, Jeffrey A. Brush, Craig B. Kelley, Michael T. Baltes, Ashley D. Menges, Aaron Stritesky, Ryan Rouderbush
  • Drive unit portion of a motor grader
    Patent number: D557715
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: December 18, 2007
    Assignee: Caterpillar Inc.
    Inventors: Mazin M. Merghani, Ryan Rouderbush
  • Tractor
    Patent number: D558797
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: January 1, 2008
    Assignee: Yanmar Co., Ltd.
    Inventors: Noboru Yamamoto, Susumu Akashima
  • Front bumper
    Patent number: D562743
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: February 26, 2008
    Assignee: Textron Inc.
    Inventors: Donald S. Hanson, Michael J. Hebert, Richard Krall
  • Tractor
    Patent number: D564544
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: March 18, 2008
    Assignee: Kubota Corporation
    Inventors: Yoshitaka Higashikawa, Junta Kuwae
  • Road construction machine
    Patent number: D568905
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: May 13, 2008
    Assignee: BOMAG GmbH
    Inventors: Jürgen Heusinger, Roland Loew, Udo Lohse, Helmut Rötsch
  • Portion of a motor grader
    Patent number: D568906
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: May 13, 2008
    Assignee: Caterpillar Inc.
    Inventors: Mazin M. Merghani, Chad Stollenwerk, Sarath B. Chirumamila, Jeffrey A. Brush, Craig B. Kelley, Michael T. Baltes, Ashley D. Menges, Aaron Stritesky, Ryan Rouderbush
  • Road construction machine
    Patent number: D570378
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: June 3, 2008
    Assignee: Bomag GmbH
    Inventors: Jürgen Heusinger, Roland Loew, Udo Lohse, Helmut Rötsch
  • Skid steer loader machine
    Patent number: D572276
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: July 1, 2008
    Assignee: Caterpillar S.A.R.L.
    Inventors: George C. Pinther, Jeremy A. Jones, Matthew J. Harrenstein, Jonathan W. Fisher
  • Skid steer loader machine
    Patent number: D572277
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: July 1, 2008
    Assignee: Caterpillar S.A.R.L.
    Inventors: George C. Pinther, Jeremy A. Jones, Matthew J. Harrenstein, Jonathan W. Fisher
  • Tractor
    Patent number: D581953
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: December 2, 2008
    Assignee: Yanmar Co., Ltd.
    Inventors: Kunihiko Matsumoto, Toshikazu Matsubayashi, Naoki Yamamoto, Junko Shibaoka
  • Skid-steer loader
    Patent number: D583834
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 30, 2008
    Assignees: Komatsu Ltd., Komatsu Utility Co., Ltd.
    Inventors: Kiyoshi Sugiyama, Takenobu Andou, Takeshi Endou, Kazuhisa Satou, Yoshiteru Kubo, Hayato Kinoshita, Osamu Kitajima
  • Skid-steer loader
    Patent number: D583835
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 30, 2008
    Assignees: Komatsu Ltd., Komatsu Utility Co., Ltd.
    Inventors: Kiyoshi Sugiyama, Takenobu Andou, Takeshi Endou, Kazuhisa Satou, Yoshiteru Kubo, Hayato Kinoshita, Osamu Kitajima
  • Agricultural tractor
    Patent number: D498245
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: November 9, 2004
    Assignee: Kabota Corporation
    Inventors: Junta Kuwae, Isamu Yamanishi
  • Main body of motor grader
    Patent number: D593582
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: June 2, 2009
    Assignee: Komatsu Ltd.
    Inventors: Yutaka Ono, Eiji Yamazaki, Hayato Kinoshita
  • Motor grader
    Patent number: D594035
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: June 9, 2009
    Assignee: Komatsu Ltd.
    Inventors: Yutaka Ono, Eiji Yamazaki, Hayato Kinoshita
  • Tractor
    Patent number: D599826
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 8, 2009
    Assignee: Kubota Corporation
    Inventor: Junta Kuwae
  • Tractor
    Patent number: D600255
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 15, 2009
    Assignee: Kubota Corporation
    Inventors: Yoshihiro Kushita, Yoshitaka Higashikawa
  • Skid steer loader
    Patent number: D600721
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: September 22, 2009
    Assignee: Kubota Corporation
    Inventors: Takashi Shimomura, Tadashi Kusunoki
  • Tractor
    Patent number: D602047
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: October 13, 2009
    Assignee: Kubota Corporation
    Inventors: Yoshihiro Kushita, Yoshitaka Higashikawa
  • Construction machine
    Patent number: D604748
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: November 24, 2009
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Tractor
    Patent number: D604749
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: November 24, 2009
    Assignee: Kubota Corporation
    Inventors: Yoshihiro Kushita, Yoshitaka Higashikawa
  • Tractor
    Patent number: D605668
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: December 8, 2009
    Assignee: Yanmar Co., Ltd.
    Inventors: Kunihiko Matsumoto, Naoki Yamamoto
  • Construction machine
    Patent number: D609721
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 9, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D609722
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 9, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D609723
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 9, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D610168
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 16, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D610169
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 16, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D610170
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 16, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Construction machine
    Patent number: D610171
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 16, 2010
    Assignee: Weidemann GmbH
    Inventor: Hans-Heinrich Schmidt
  • Tractor
    Patent number: D613313
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: April 6, 2010
    Assignee: Mahindra & Mahindra, Ltd
    Inventor: S. A. Bhanuprakash