Drilling, Mining, Or Soil Treatment (includes Element) Patents (Class D15/21)
  • Rock drilling tool with ovate cutters
    Patent number: D514131
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: January 31, 2006
    Inventor: William J. Brady
  • Crawler drill
    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
  • Centrifuge support
    Patent number: D524825
    Type: Grant
    Filed: April 5, 2003
    Date of Patent: July 11, 2006
    Inventors: Richard James Koch, Hubert Frank Baker
  • Hydraulic breaker
    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
  • Rock drill bit
    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
  • Support element for supporting stabilator pistons of an axial bearing in a rock drill
    Patent number: D459366
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: June 25, 2002
    Assignee: Sandvik Tamrock Oy
    Inventors: Jarmo Heinonen, Jorma Mäki
  • Guard for derrick apparatus
    Patent number: D532798
    Type: Grant
    Filed: May 28, 2005
    Date of Patent: November 28, 2006
    Assignee: Varco I/P, Inc.
    Inventors: Robert Alden Folk, Steven Lorne Folk
  • Guard for derrick apparatus
    Patent number: D533196
    Type: Grant
    Filed: May 28, 2005
    Date of Patent: December 5, 2006
    Assignee: Varco I/P, Inc.
    Inventors: Robert Alden Folk, Steven Lorne Folk
  • Mine bolt driver
    Patent number: D468753
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: January 14, 2003
    Inventor: Jeffrey Robert Fergusson
  • Quick change bit holder with hardened insert
    Patent number: D471211
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: March 4, 2003
    Assignee: The Sollami Company
    Inventor: Phillip Sollami
  • Hydraulic rock breaker
    Patent number: D547775
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: July 31, 2007
    Assignee: Inan Makine San. Ve Tic. A.S.
    Inventor: Tunay Tuscuo{overscore (g)}lu
  • Auger assembly
    Patent number: D475372
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: June 3, 2003
    Inventor: Derron D. Dulkoski
  • Guard for well operations apparatus
    Patent number: D551682
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: September 25, 2007
    Assignee: Varco I/P, Inc.
    Inventor: Alan Randall Lucas
  • Guard for well operations apparatus
    Patent number: D552628
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: October 9, 2007
    Assignee: Varco I/P, Inc.
    Inventor: Alan Randall Lucas
  • Earth drill
    Patent number: D477332
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: July 15, 2003
    Assignee: Schramm, Inc.
    Inventor: Norman L. Bennett
  • Dry compaction bit for earth boring
    Patent number: D557290
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: December 11, 2007
    Inventor: Douglas Melegari
  • Mining core chock
    Patent number: D557297
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: December 11, 2007
    Inventor: Donald L. Evans
  • Over-reamer drilling tool for pilot bit
    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
  • Over-reamer drilling tool for pilot bit
    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
  • Pick bolster
    Patent number: D566137
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: April 8, 2008
    Inventors: David R. Hall, Ronald Crockett, Scott Dahlgren, Jeff Jepson
  • Over-reamer drill tool for pilot bit
    Patent number: D487753
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: March 23, 2004
    Assignee: The William J. Brady Loving Trust
    Inventor: William J. Brady
  • Quick change bit holder with hardened insert
    Patent number: D488170
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: April 6, 2004
    Assignee: The Sollami Company
    Inventor: Phillip Sollami
  • Soil working tyne
    Patent number: D491578
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: June 15, 2004
    Assignee: Howard Australia PTY Limited
    Inventor: Robert Alister Condon
  • Three-wheel articulated trencher
    Patent number: D579464
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: October 28, 2008
    Assignee: The Charles Machine Works, Inc.
    Inventors: Cody L. Sewell, Jacob A. Hamburger, Michael D. Buck, Dennis E. Bass, Stephen G. Miggels, Christopher Barrow, Henry Mack
  • Pick
    Patent number: D581952
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: December 2, 2008
    Inventors: David R. Hall, Ronald Crockett, Scott Dahlgren, Jeff Jepson
  • Floatation vessel
    Patent number: D589429
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: March 31, 2009
    Assignee: Xrosswater Limited
    Inventor: Malcolm Harrison
  • Pocket protecting retainable cutter bit
    Patent number: D601592
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: October 6, 2009
    Inventors: Richard Wayne Watson, Luis Miguel Porturas
  • Single arm belling tool
    Patent number: D325033
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: March 31, 1992
    Inventor: W. Tom Witherspoon
  • Vibrating pile driver
    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
  • Roof drill bit for mining
    Patent number: D340248
    Type: Grant
    Filed: May 23, 1991
    Date of Patent: October 12, 1993
    Inventor: William J. Brady
  • Spearhead
    Patent number: D622293
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: August 24, 2010
    Assignee: Longyear TM, Inc.
    Inventors: Christopher L Drenth, George Ibrahim, Sacha Tillack
  • Spearhead base
    Patent number: D622294
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: August 24, 2010
    Assignee: Longyear TM, Inc.
    Inventors: Christopher L Drenth, George Ibrahim, Sacha Tillack
  • Spearhead
    Patent number: D622741
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: August 31, 2010
    Assignee: Longyear TM, Inc.
    Inventors: Christopher L Drenth, George Ibrahim, Sacha Tillack
  • Spearhead base
    Patent number: D624564
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: September 28, 2010
    Assignee: Longyear TM, Inc.
    Inventors: Christopher L Drenth, George Ibrahim, Sacha Tillack
  • Open seam friction rock stabilizer
    Patent number: D349120
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: July 26, 1994
    Assignee: Ingersoll-Rand Company
    Inventor: Thomas J. Landsberg
  • Kicker plate
    Patent number: D624940
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: October 5, 2010
    Assignee: Wirtgen GmbH
    Inventors: Karsten Buhr, Stefan Abresch, Thomas Lehnert, Guenter Haehn, Cyrus Barimani
  • Kicker plate
    Patent number: D624941
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: October 5, 2010
    Assignee: Wirtgen GmbH
    Inventors: Karsten Buhr, Stefan Abresch, Thomas Lehnert, Guenter Haehn, Cyrus Barimani
  • Kicker plate
    Patent number: D624942
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: October 5, 2010
    Assignee: Wirtgen GmbH
    Inventors: Karsten Buhr, Stefan Abresch, Thomas Lehnert, Guenter Haehn, Cyrus Barimani
  • Muffler for a jackhammer
    Patent number: D355422
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: February 14, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Robert R. Kimberlin
  • Kicker plate
    Patent number: D628602
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: December 7, 2010
    Assignee: Wirtgen GmbH
    Inventors: Karsten Buhr, Stefan Abresch, Thomas Lehnert, Guenter Haehn, Cyrus Barimani
  • Agricultural tillage implement
    Patent number: D629428
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 21, 2010
    Inventor: Kentyn Scott Paterson
  • Wear resistant block for use in lining mineral processing equipment
    Patent number: D631488
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: January 25, 2011
    Assignee: Bradken Resources PTY Limited
    Inventors: Kyron Holland, Douglas Campbell
  • Trommel
    Patent number: D631900
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: February 1, 2011
    Inventors: Daniel Lee Prochaska, Darrell Lee Prochaska
  • Open seam friction rock stabilizer
    Patent number: D362448
    Type: Grant
    Filed: April 21, 1994
    Date of Patent: September 19, 1995
    Assignee: Ingersoll-Rand Company
    Inventor: Thomas J. Landsberg
  • Pneumatic nozzle
    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
  • Sleeve for tooling system for mineral winning
    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
  • Sleeve for tooling system for mineral winning
    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
  • Rotary mining bit
    Patent number: D424579
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: May 9, 2000
    Inventor: William J. Brady
  • Insert for variable bore ram blow out preventor
    Patent number: D425525
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: May 23, 2000
    Assignee: Cooper Cameron Corporation, Inc.
    Inventor: Timothy Wooten
  • Rotary mining bit
    Patent number: D430578
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: September 5, 2000
    Inventor: William J. Brady