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 76–100 of 135 patents

Patent #TitleCo-InventorsDate
7100697 Method and apparatus for reforming tubular connections Doyle Frederic Boutwell, Jr. 2006-09-05
7096982 Drill shoe David McKay 2006-08-29
7090023 Apparatus and methods for drilling with casing Frederick T. Tilton 2006-08-15
7090025 Methods and apparatus for reforming and expanding tubulars in a wellbore Simon J. Harrall, Paul David Metcalfe, Frederick T. Tilton 2006-08-15
7086478 Apparatus and methods for expanding tubulars in a wellbore Neil A. A. Simpson 2006-08-08
7073598 Apparatus and methods for tubular makeup interlock 2006-07-11
7063143 Docking station assembly and methods for use in a wellbore Frederick T. Tilton, Charles Brunet, Michel Bouchard, Clayton Plucheck, Doug Durst +2 more 2006-06-20
7025144 Wellbore liner system Marc Kuck 2006-04-11
6976536 Tubing expansion Neil Andrew Abercrombie Simpson 2005-12-20
6966375 Downhole surge pressure reduction and filtering apparatus Clayton Stanley Pluchek, Gerald Pedersen, Richard L. Giroux, Thad Scott 2005-11-22
6962204 Isolation container for a downhole electric pump William A. Grubb, Corey Hoffman 2005-11-08
6953141 Joining of tubulars through the use of explosives 2005-10-11
6938697 Apparatus and methods for tubular makeup interlock 2005-09-06
6902000 Apparatus and methods for expanding tubulars in a wellbore Neil A. A. Simpson 2005-06-07
6896075 Apparatus and methods for drilling with casing Frederick T. Tilton 2005-05-24
6834726 Method and apparatus to reduce downhole surge pressure using hydrostatic valve Richard L. Giroux, David Hosie 2004-12-28
6766859 Wellbore liner system Mark Kuck 2004-07-27
6755252 Downhole surge pressure reduction and filtering apparatus Clayton Stanley Pluchek, Gerald Pedersen, Richard L. Giroux, Thad Scott 2004-06-29
6742596 Apparatus and methods for tubular makeup interlock 2004-06-01
6712142 Apparatus and methods for expanding tubulars in a wellbore Neil A. A. Simpson 2004-03-30
6712151 Tubing expansion Neil Andrew Abercrombie Simpson 2004-03-30
6708762 Methods and apparatus for forming a lateral wellbore Frederick T. Tilton, Neil A. A. Simpson, Kevin L. Gray, Robert P. Badrak, David J. Brunnert 2004-03-23
6708769 Apparatus and methods for forming a lateral wellbore Frederick T. Tilton 2004-03-23
6695056 System for forming a window and drilling a sidetrack wellbore John D. Roberts 2004-02-24
6578630 Apparatus and methods for expanding tubulars in a wellbore Neil A. A. Simpson 2003-06-17