Drilling, Mining, Or Soil Treatment (includes Element) Patents (Class D15/21)
  • Patent number: D253535
    Type: Grant
    Filed: January 19, 1977
    Date of Patent: November 27, 1979
    Assignee: Chicago Pneumatic Tool Co.
    Inventors: Walter A. Schmidt, Jack D. Smith, Jay R. Cory
  • Patent number: D453023
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: January 22, 2002
    Assignee: Furukawa Co., Ltd.
    Inventors: Tsutomu Kaneko, Kazuya Goto, Takahiro Yamamoto, Yoichi Koroku
  • Patent number: D457534
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: May 21, 2002
    Assignee: Soosan Heavy Industries Co., Ltd.
    Inventor: Kyoung Ho Kim
  • Patent number: D457535
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: May 21, 2002
    Assignee: Gator Rock Bits, Inc.
    Inventors: Gary Wayne Hamilton, Charles Hamilton
  • Patent number: D262798
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: January 26, 1982
    Assignee: Goldhound International, Inc.
    Inventor: Eric W. Oldendorf
  • Patent number: D459366
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: June 25, 2002
    Assignee: Sandvik Tamrock Oy
    Inventors: Jarmo Heinonen, Jorma Mäki
  • Patent number: D262973
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: February 9, 1982
    Assignee: Envirotech Corporation
    Inventors: John Griffin, T. Daryl Hatch
  • Patent number: D264590
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: May 25, 1982
    Assignee: Ewbank Mfg. Division, Inc.
    Inventor: G. Richard Thomas
  • Patent number: D266765
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: November 2, 1982
    Assignee: Midmark Corporation
    Inventor: Charles A. Clune
  • Patent number: D267069
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: November 30, 1982
    Assignee: Custom Safety Products
    Inventors: Choice R. Kinchen, Roy D. Phillips
  • Patent number: D267405
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: December 28, 1982
    Inventor: Alvin K. Wilson
  • Patent number: D267719
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: January 25, 1983
    Inventor: Stanford E. Case
  • Patent number: D273680
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: May 1, 1984
    Assignee: Fagersta AB
    Inventor: Karl-Erik Kangas
  • Patent number: D468753
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: January 14, 2003
    Inventor: Jeffrey Robert Fergusson
  • Patent number: D471211
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: March 4, 2003
    Assignee: The Sollami Company
    Inventor: Phillip Sollami
  • Patent number: D277286
    Type: Grant
    Filed: August 27, 1982
    Date of Patent: January 22, 1985
    Assignee: Otis Engineering Corporation
    Inventor: Mark A. Schnatzmeyer
  • Patent number: D279785
    Type: Grant
    Filed: December 22, 1982
    Date of Patent: July 23, 1985
    Inventor: Michael C. Vaughan
  • Patent number: D280697
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: September 24, 1985
    Inventor: Leon D. Ballew
  • Patent number: D475372
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: June 3, 2003
    Inventor: Derron D. Dulkoski
  • Patent number: D281428
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: November 19, 1985
    Assignee: Timberjack Inc.
    Inventor: Godfrey S. Kent
  • Patent number: D282073
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: January 7, 1986
    Assignee: Arkoma Machine Shop, Inc.
    Inventors: Robert M. Bearden, W. A. Haynes
  • Patent number: D282368
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: January 28, 1986
    Inventor: Albert W. Smith
  • Patent number: D282666
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: February 18, 1986
    Assignee: Oy Tampella AB
    Inventors: Pekka Salmi, Hannu Paasonen
  • Patent number: D477332
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: July 15, 2003
    Assignee: Schramm, Inc.
    Inventor: Norman L. Bennett
  • Patent number: D287264
    Type: Grant
    Filed: April 25, 1983
    Date of Patent: December 16, 1986
    Inventors: Marion Rinaldo, William J. Crouch
  • Patent number: D483042
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: December 2, 2003
    Assignee: The William J. Brady Loving Trust
    Inventor: William J. Brady
  • Patent number: D483382
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: December 9, 2003
    Assignee: The William J. Brady Loving Trust
    Inventor: William J. Brady
  • Patent number: D291087
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: July 28, 1987
    Assignee: OY Tampella AB
    Inventors: Pekka Salmi, Timo Muuttonen
  • Patent number: D297847
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: September 27, 1988
    Assignee: LOR, Inc.
    Inventors: Gregg S. Perkin, Alonzo L. DeCell, Peter Patarini
  • Patent number: D300143
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: March 7, 1989
    Inventor: William E. Blauvelt
  • Patent number: D307020
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: April 3, 1990
    Assignee: Lyng Drilling Products A-S
    Inventors: Bjorn Lyng, Hans Tronstad
  • Patent number: D307279
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: April 17, 1990
    Assignee: Eastman Christensen Company
    Inventor: Lloyd Vincent
  • Patent number: D308211
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: May 29, 1990
    Inventor: George J. Magnera
  • Patent number: D312464
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: November 27, 1990
    Inventor: Myron L. Peterson
  • Patent number: D313025
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: December 18, 1990
    Inventor: Vernon A. East
  • Patent number: D313999
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: January 22, 1991
    Inventor: Gerald G. Conti
  • Patent number: D317010
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: May 21, 1991
    Assignee: General Electric Company
    Inventor: Friedel S. Knemeyer
  • Patent number: D319063
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: August 13, 1991
    Assignee: Austoft Industries Limited
    Inventor: James R. Warren
  • Patent number: D325033
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: March 31, 1992
    Inventor: W. Tom Witherspoon
  • Patent number: D326857
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: June 9, 1992
    Assignee: Nippon Pneumatic Manufacturing Co., Ltd.
    Inventors: Yutaka Ikeda, Yoshifumi Ito
  • Patent number: D340248
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: October 12, 1993
    Inventor: William J. Brady
  • Patent number: D349120
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: July 26, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Thomas J. Landsberg
  • Patent number: D355422
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: February 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Robert R. Kimberlin
  • Patent number: D362448
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: September 19, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Thomas J. Landsberg
  • Patent number: D408830
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: April 27, 1999
    Assignee: Concept Engineering Group, Inc.
    Inventors: Richard D. Nathenson, Paul M. Brumbaugh
  • Patent number: D413126
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: August 24, 1999
    Assignee: Hydra Tools International Limited
    Inventors: John Joseph Warren, William Stephen Clapham
  • Patent number: D420013
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: February 1, 2000
    Assignee: Hydra Tools International Limited
    Inventors: John Joseph Warren, William Stephen Clapham
  • Patent number: D424579
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: May 9, 2000
    Inventor: William J. Brady
  • Patent number: D425525
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: May 23, 2000
    Assignee: Cooper Cameron Corporation, Inc.
    Inventor: Timothy Wooten
  • Patent number: D430578
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: September 5, 2000
    Inventor: William J. Brady