Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147060 | Method, system and apparatus for orienting casing and liners | Klaus Huber, Luc Laverdière | 2006-12-12 |
| 7000699 | Method and apparatus for orienting perforating devices and confirming their orientation | Wenbo Yang, Alfredo Fayard, Robert A. Parrott, Klaus Huber, Jeffrey P. Meisenhelder +4 more | 2006-02-21 |
| 6354374 | Method of performing downhole functions | Klaus Huber | 2002-03-12 |
| 6213203 | Lock mechanism for use with a downhole device | Klaus Huber | 2001-04-10 |
| 6182750 | Device for performing downhole functions | Klaus Huber | 2001-02-06 |
| 6123152 | Retrieving well tools under pressure | Klaus Huber | 2000-09-26 |
| 6102126 | Pressure-actuated circulation valve | Klaus Huber, James W. Babineau | 2000-08-15 |
| 6085843 | Mechanical shut-off valve | Klaus Huber, Charles van Petegm, James W. Babineau | 2000-07-11 |
| 6059042 | Completions insertion and retrieval under pressure (CIRP) apparatus including the snaplock connector | Klaus Huber, Edward G. Smith, Jr., Laurent E. Muller | 2000-05-09 |
| 5979561 | Downhole activation circuit valving | Klaus Huber | 1999-11-09 |
| 5964294 | Apparatus and method for orienting a downhole tool in a horizontal or deviated well | Klaus Huber | 1999-10-12 |
| 5890539 | Tubing-conveyer multiple firing head system | Klaus Huber, Joe C. Hromas, Laurent E. Muller, Nathan E. Addicks | 1999-04-06 |
| 5887654 | Method for performing downhole functions | Klaus Huber | 1999-03-30 |
| 5848646 | Well completion apparatus for use under pressure and method of using same | Klaus Huber, Edward G. Smith, Jr., Laurent E. Muller | 1998-12-15 |
| 5505261 | Firing head connected between a coiled tubing and a perforating gun adapted to move freely within a tubing string and actuated by fluid pressure in the coiled tubing | Klaus Huber, Thomas M. Sayers, Edward G. Smith, Jr. | 1996-04-09 |
| 5429192 | Method and apparatus for anchoring a perforating gun to a casing in a wellbore including a primary and a secondary anchor release mechanism | Klaus Huber, Joe C. Hromas | 1995-07-04 |
| 5366013 | Shock absorber for use in a wellbore including a frangible breakup element preventing shock absorption before shattering allowing shock absorption after shattering | Joe C. Hromas, Klaus Huber, Edward G. Smith, Jr. | 1994-11-22 |
| 5318126 | Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both | Joe C. Hromas, Klaus Huber | 1994-06-07 |
| 5277262 | Hydraulic safety pin and method of operating a pressure-controlled device | Klaus Huber, Edward G. Smith, Jr. | 1994-01-11 |
| 5222446 | Non-polluting incinerator | Jeffery T. Edwards, Richard B. Dicks | 1993-06-29 |
| 5203414 | Method of anchoring a device in a wellbore including opening an orifice between two chambers in response to an electrical signal and moving a piston in response to hydrostatic pressure when the orifice is opened | Joe C. Hromas, Klaus Huber | 1993-04-20 |
| 5191933 | Wellbore apparatus including a rathole pressure balanced-differential pressure firing system | Klaus Huber, Joe C. Hromas, Antoni Miszewski, William McGinley Hill | 1993-03-09 |
| 5191936 | Method and apparatus for controlling a well tool suspended by a cable in a wellbore by selective axial movements of the cable | Klaus Huber, Antoni Miszewski | 1993-03-09 |
| 5146983 | Hydrostatic setting tool including a selectively operable apparatus initially blocking an orifice disposed between two chambers and opening in response to a signal | Joe C. Hromas, Klaus Huber | 1992-09-15 |
| 5058680 | Method of detonating a perforating apparatus on a tubing including lowering one end of a pump and a firing head into said tubing | Klaus Huber, William McGinley Hill, Antoni Miszewski | 1991-10-22 |