Issued Patents All Time
Showing 101–125 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801336 | System and method for producing halftoned color separations for an output imaging device | Dave Hylands, Daniel J. Blondal | 2004-10-05 |
| 6758278 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, Lev Ring, Michael Bullock | 2004-07-06 |
| 6745845 | Isolation of subterranean zones | Lev Ring, Kevin Waddell, David Paul Brisco | 2004-06-08 |
| 6739392 | Forming a wellbore casing while simultaneously drilling a wellbore | R. Bruce Stewart, Lev Ring | 2004-05-25 |
| 6725919 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, Lev Ring, Michael Bullock | 2004-04-27 |
| 6712154 | Isolation of subterranean zones | Michael Bullock | 2004-03-30 |
| 6705395 | Wellbore casing | David Paul Brisco, Lev Ring, Michael Bullock | 2004-03-16 |
| 6684947 | Apparatus for radially expanding a tubular member | David Paul Brisco, Lev Ring, Michael Bullock | 2004-02-03 |
| 6640903 | Forming a wellbore casing while simultaneously drilling a wellbore | David Paul Brisco, R. Bruce Stewart, Lev Ring, Robert Donald Mack, Alan B. Duell +1 more | 2003-11-04 |
| 6634431 | Isolation of subterranean zones | Kevin Waddell, Lev Ring, David Paul Brisco | 2003-10-21 |
| 6631769 | Method of operating an apparatus for radially expanding a tubular member | David Paul Brisco, Lev Ring, Michael Bullock | 2003-10-14 |
| 6631759 | Apparatus for radially expanding a tubular member | David Paul Brisco, Lev Ring, Michael Bullock | 2003-10-14 |
| 6631760 | Tie back liner for a well system | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-10-14 |
| 6604763 | Expandable connector | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack +2 more | 2003-08-12 |
| 6575240 | System and method for driving pipe | Richard Carl Haut | 2003-06-10 |
| 6568471 | Liner hanger | David Paul Brisco, Lev Ring, Michael Bullock | 2003-05-27 |
| 6561227 | Wellbore casing | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2003-05-13 |
| 6557640 | Lubrication and self-cleaning system for expansion mandrel | David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring, James J. W. Nahm +4 more | 2003-05-06 |
| 6497289 | Method of creating a casing in a borehole | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2002-12-24 |
| 6470966 | Apparatus for forming wellbore casing | David Paul Brisco, R. Bruce Stewart, Lev Ring, Richard Carl Haut, Robert Donald Mack | 2002-10-29 |
| 6455869 | Motorcycle wheel lift | — | 2002-09-24 |
| 6328113 | Isolation of subterranean zones | — | 2001-12-11 |
| 6070663 | Multi-zone profile control | Edward Paul Cernocky, Frank J. Schuh | 2000-06-06 |
| 5751416 | Analytical method using laser-induced breakdown spectroscopy | Jagdish P. Singh, Fang-Yu Yueh, Hansheng Zhang | 1998-05-12 |
| 5503395 | Golf putting practice device | — | 1996-04-02 |