Self-propelled Patents (Class D15/22)
Tractor type (includes grader or bulldozer) (Class D15/23)
Agricultural type (Class D15/26)
  • Curb forming machine
    Patent number: D252274
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: July 3, 1979
    Assignee: Barber-Greene Company
    Inventors: Joseph T. Gregorich, William C. Goers, Walter B. Seefeldt
  • Road planing machine
    Patent number: D256466
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: August 19, 1980
    Assignee: CMI Corporation
    Inventors: Donald W. Smith, Larry W. Teel
  • Road planing machine
    Patent number: D258887
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: April 14, 1981
    Assignee: CMI Corporation
    Inventors: George W. Swisher, Jr., Thomas L. Steele
  • Self-propelled trenching machine
    Patent number: D266765
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: November 2, 1982
    Assignee: Midmark Corporation
    Inventor: Charles A. Clune
  • Highway maintenance vehicle
    Patent number: D266850
    Type: Grant
    Filed: July 19, 1979
    Date of Patent: November 9, 1982
    Assignee: Gomaco, Inc.
    Inventor: Gary L. Godbersen
  • Skid loader
    Patent number: D463454
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: September 24, 2002
    Assignee: Finn Corporation
    Inventors: Christopher S. Miller, Derek J. Hartwell, Jeffrey T. Stanley
  • Skid loader
    Patent number: D466910
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: December 10, 2002
    Assignee: Finn Corporation
    Inventors: Christopher S. Miller, Derek J. Hartwell, Jeffrey T. Stanley
  • Pavement sealing machine
    Patent number: D277676
    Type: Grant
    Filed: July 30, 1982
    Date of Patent: February 19, 1985
    Inventor: Harold W. Neal
  • Self-powered curbing machine
    Patent number: D278822
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: May 14, 1985
    Inventor: W. Harold Neal
  • Tree trimming machine
    Patent number: D281071
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: October 22, 1985
    Assignee: Kershaw Manufacturing Company, Inc.
    Inventor: Philip C. McCray
  • Self propelled sprayer vehicle
    Patent number: D344737
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: March 1, 1994
    Assignee: Clark Equipment Company
    Inventors: William D. Long, Donald K. Schmidt, Lyle W. Mundell
  • Articulated self-propelled bi-directional soil stabilizer road reclaimer machine
    Patent number: D346388
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: April 26, 1994
    Inventor: Frederick J. Silbernagel
  • Paving material machine with tunnel
    Patent number: D362449
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: September 19, 1995
    Inventor: George W. Swisher, Jr.
  • Telescopic material handling vehicle
    Patent number: D366489
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: January 23, 1996
    Assignee: Caterpillar Inc.
    Inventor: David J. Brown
  • Track mounted paving material machine with tunnel
    Patent number: D370917
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: June 18, 1996
    Inventor: George W. Swisher, Jr.
  • Self propelled saw
    Patent number: D379094
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: May 6, 1997
    Assignee: Diamant Boart, Inc.
    Inventors: Michael G. Kingsley, Donald L. Rohrs