DH

David M. Haugen

WE Weatherford/Lamb: 74 patents #1 of 852Top 1%
FF Fox Factory: 46 patents #7 of 111Top 7%
HA Halliburton: 9 patents #65 of 857Top 8%
BT Baker Oil Tools: 2 patents #28 of 87Top 35%
WH Weatherford Technology Holdings: 1 patents #412 of 753Top 55%
📍 Pacific Grove, CA: #1 of 128 inventorsTop 1%
🗺 California: #1,223 of 386,348 inventorsTop 1%
Overall (All Time): #7,753 of 4,157,543Top 1%
135
Patents All Time

Issued Patents All Time

Showing 101–125 of 135 patents

Patent #TitleCo-InventorsDate
6571869 Downhole surge pressure reduction and filtering apparatus Clayton Stanley Pluchek, Gerald Pedersen, Richard L. Giroux, Thad Scott 2003-06-03
6568475 Isolation container for a downhole electric pump William A. Grubb, Corey Hoffman 2003-05-27
6550551 Apparatus to actuate a downhole tool David J. Brunnert, Thurman H. Carter, Gary Duron Ingram, David W. Teale 2003-04-22
6547006 Wellbore liner system Marc Kuck, Thomas F. Bailey, Monte Ira Johnson, Robert E. Robertson, Andrew Arthur Barry +6 more 2003-04-15
6536525 Methods and apparatus for forming a lateral wellbore Frederick T. Tilton, Neil A. A. Simpson, Kevin L. Gray, Robert P. Badrak, David J. Brunnert 2003-03-25
6446717 Core-containing sealing assembly L. Cameron White, Erik P. Eriksen 2002-09-10
6374918 In-tubing wellbore sidetracking operations John D. Roberts, James R. Longbottom, Alex Dawson, David Duguid, Frank Middleton +2 more 2002-04-23
6364037 Apparatus to actuate a downhole tool David J. Brunnert, Thurman B. Carter, Gary Duron Ingram, David W. Teale 2002-04-02
6325148 Tools and methods for use with expandable tubulars Kevin O. Trahan 2001-12-04
6257339 Packer system Gary Duron Ingram, Corey Hoffman, Robert S. Beeman 2001-07-10
6224112 Casing slip joint Erik P. Eriksen, Salah Mahmoud 2001-05-01
6202752 Wellbore milling methods Marc Kuck, Thomas F. Bailey, Monte Ira Johnson, Robert E. Robertson, Andrew Arthur Barry +6 more 2001-03-20
6170576 Mills for wellbore operations David J. Brunnert, Shane P. Hart, Thomas F. Bailey, Michael W. Henson, Thurman B. Carter +1 more 2001-01-09
6142230 Wellbore tubular patch system Michael Smalley, Thomas R. Bailey, Ralph D. Wright, Frederick T. Tilton 2000-11-07
6070665 Wellbore milling Teme Forrest Singleton, Andrew Mark Berry, John D. Roberts, William Alan Spielman, Thomas D. Bailey +3 more 2000-06-06
6024169 Method for window formation in wellbore tubulars 2000-02-15
5957195 Wellbore tool stroke indicator system and tubular patch Thomas R. Bailey, Ralph D. Wright, Michael Smalley, Frederick T. Tilton 1999-09-28
5887668 Wellbore milling-- drilling Frederick T. Tilton, Joseph Mills, Randy P. Hutchings, Guy L. McClung, III, Steve R. Delgado 1999-03-30
5887655 Wellbore milling and drilling William A. Blizzard, Jr., Mark W. Schnitker, Steve R. Delgado, Thurman B. Carter, John D. Roberts +4 more 1999-03-30
5791417 Tubular window formation Guy L. McClung, III, Mark W. Schnitker, Shane P. Hart, Steve R. Delgado 1998-08-11
5785120 Tubular patch Michael Smalley 1998-07-28
5709265 Wellbore window formation Guy L. McClung, III 1998-01-20
5636692 Casing window formation 1997-06-10
5156207 Hydraulically actuated downhole valve apparatus Arnold G. Edwards, Charles W. Kinney 1992-10-20
4905759 Collapsible gun assembly David S. Wesson, Kevin R. George 1990-03-06