DH

David M. Haugen

WE Weatherford/Lamb: 7 patents #1 of 133Top 1%
📍 Pacific Grove, CA: #1 of 12 inventorsTop 9%
🗺 California: #355 of 26,868 inventorsTop 2%
Overall (2005): #3,197 of 245,428Top 2%
7
Patents 2005

Issued Patents 2005

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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