Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270188 | Radial expansion of tubular members | Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Edwin Zwald | 2007-09-18 |
| 7246667 | Radial expansion of tubular members | Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Edwin Zwald | 2007-07-24 |
| 7240728 | Expandable tubulars with a radial passage and wall portions with different wall thicknesses | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Robert Donald Mack +1 more | 2007-07-10 |
| 7231985 | Radial expansion of tubular members | Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Edwin Zwald | 2007-06-19 |
| 7204007 | Method and apparatus for forming a mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Edwin Zwald, Kevin Waddell | 2007-04-17 |
| 7201223 | Method and apparatus for forming a mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Edwin Zwald, Kevin Waddell | 2007-04-10 |
| 7172019 | Method and apparatus for forming a mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Edwin Zwald, Kevin Waddell | 2007-02-06 |
| 7172021 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, William J. Dean +6 more | 2007-02-06 |
| 7172024 | Mono-diameter wellbore casing | Robert Lance Cook, Edwin Zwald, Kevin Waddell, Lev Ring | 2007-02-06 |
| 7168499 | Radial expansion of tubular members | Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Edwin Zwald | 2007-01-30 |
| 7146702 | Method and apparatus for forming a mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Edwin Zwald, Kevin Waddell | 2006-12-12 |
| 7108072 | Lubrication and self-cleaning system for expansion mandrel | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring +4 more | 2006-09-19 |
| 7100685 | Mono-diameter wellbore casing | Robert Lance Cook, Lev Ring, Edwin Zwald, Kevin Waddell | 2006-09-05 |
| 7077213 | Expansion cone for radially expanding tubular members | Robert Lance Cook, David Paul Brisco, Lev Ring, Alan B. Duell | 2006-07-18 |
| 7048067 | Wellbore casing repair | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring +6 more | 2006-05-23 |
| 7048062 | Method of selecting tubular members | Lev Ring, Robert Donald Mack | 2006-05-23 |
| 7044218 | Apparatus for radially expanding tubular members | Robert Lance Cook, David Paul Brisco, Lev Ring, Robert Donald Mack, Alan B. Duell | 2006-05-16 |
| 7036582 | Expansion cone for radially expanding tubular members | Robert Lance Cook, David Paul Brisco, Lev Ring, Alan B. Duell | 2006-05-02 |
| 7011161 | Structural support | Lev Ring, Robert Donald Mack | 2006-03-14 |
| 6976541 | Liner hanger with sliding sleeve valve | David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, William J. Dean +6 more | 2005-12-20 |
| 6968618 | Expandable connector | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut +2 more | 2005-11-29 |
| 6892819 | Forming a wellbore casing while simultaneously drilling a wellbore | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Alan B. Duell | 2005-05-17 |
| 6860420 | Method of joining metal oilfield tubulars and well provided therewith | Peter Oosterling | 2005-03-01 |
| 6695012 | Lubricant coating for expandable tubular members | Lev Ring, Mike D. Cowan, Bill Dean | 2004-02-24 |
| 6640903 | Forming a wellbore casing while simultaneously drilling a wellbore | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Lev Ring, Robert Donald Mack +1 more | 2003-11-04 |