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
  • Centrifuge support
    Patent number: D524825
    Type: Grant
    Filed: April 5, 2003
    Date of Patent: July 11, 2006
    Inventors: Richard James Koch, Hubert Frank Baker
  • 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
  • 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
  • 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
  • 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
  • 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
  • Downhole magnet jet tool
    Patent number: D632309
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: February 8, 2011
    Assignee: Bilco Tools, Inc.
    Inventor: William E. Coyle, Jr.
  • Downhole brush tool
    Patent number: D632310
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: February 8, 2011
    Assignee: Bilco Tools, Inc.
    Inventor: William E. Coyle, Jr.
  • Kicker plate
    Patent number: D632703
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: February 15, 2011
    Assignee: Wirtgen GmbH
    Inventors: Karsten Buhr, Stefan Abresch, Thomas Lehnert, Guenter Haehn, Cyrus Barimani
  • Chisel tool for demolition hammer
    Patent number: D637629
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: May 10, 2011
    Inventor: Alex Clark
  • Micro-trenching blade
    Patent number: D640290
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: June 21, 2011
    Assignee: The Charles Machine Works, Inc.
    Inventors: Vernon T. Stellman, L. Shane Ingram, Michael C. Walgren
  • Conical cutting element
    Patent number: D640291
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: June 21, 2011
    Assignee: The Charles Machine Works, Inc.
    Inventors: Vernon T. Stellman, L. Shane Ingram, Michael C. Walgren
  • Micro-trenching blade
    Patent number: D640292
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: June 21, 2011
    Assignee: The Charles Machine Works, Inc.
    Inventors: Vernon T. Stellman, L. Shane Ingram, Michael C. Walgren
  • Point tool for a demolition hammer
    Patent number: D642204
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: July 26, 2011
    Inventor: Alex Clark
  • Core barrel latch body with axial grooves
    Patent number: D643443
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: August 16, 2011
    Assignee: Longyear TM, Inc.
    Inventor: Christopher L. Drenth
  • Core barrel assembly with tapered design
    Patent number: D643859
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: August 23, 2011
    Assignee: Longyear TM, Inc.
    Inventor: Christopher L. Drenth
  • Core barrel head assembly with axial groove
    Patent number: D644668
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: September 6, 2011
    Assignee: Longyear TM, Inc.
    Inventor: Christopher L. Drenth
  • Link for a dragline assembly
    Patent number: D645884
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: September 27, 2011
    Assignee: Bradken Resources Pty Limited
    Inventors: Reece Attwood, Joel Nelio Martinelli
  • Adapter assembly
    Patent number: D647539
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: October 25, 2011
    Assignee: Pruitt Tool & Supply Co.
    Inventors: Grant Pruitt, Cris Braun
  • Core barrel sleeve with axial grooves
    Patent number: D647540
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: October 25, 2011
    Assignee: Longyear TM, Inc.
    Inventor: Christopher L. Drenth
  • Core barrel head assembly with tapered design
    Patent number: D649167
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: November 22, 2011
    Assignee: Longyear TM, Inc.
    Inventor: Christopher L. Drenth
  • Tray
    Patent number: D649168
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: November 22, 2011
    Assignee: Austin Engineering Ltd.
    Inventor: Jamie Vincent Clarke Hall
  • Tray frame
    Patent number: D649169
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: November 22, 2011
    Assignee: Austin Engineering Ltd.
    Inventor: Jamie Vincent Clarke Hall
  • Truck body tray canopy
    Patent number: D649562
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: November 29, 2011
    Assignee: Austin Engineering Ltd.
    Inventor: Jamie Vincent Clarke Hall