Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9412344 | Stringed instrument apparatus and methods | Marc DeLong | 2016-08-09 |
| 8789587 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Brian Bidigare, Michael H. Johnson, Benn Voll | 2014-07-29 |
| 7201221 | Wellbores utilizing fiber optic-based sensors and operating devices | Paulo Tubel, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey | 2007-04-10 |
| 7040390 | Wellbores utilizing fiber optic-based sensors and operating devices | Paulo Tubel, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey | 2006-05-09 |
| 6828547 | Wellbores utilizing fiber optic-based sensors and operating devices | Paulo Tubel, Glynn Williams, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey +1 more | 2004-12-07 |
| 6787758 | Wellbores utilizing fiber optic-based sensors and operating devices | Paulo Tubel, Glynn Williams, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey +1 more | 2004-09-07 |
| 6763883 | Method and apparatus for improved communication in a wellbore utilizing acoustic signals | Robert Green | 2004-07-20 |
| 6594199 | Hydrophone for use in a downhole tool | James R. Birchak, Alvin B. Miller | 2003-07-15 |
| 6588266 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Brian Bidigare, Michael H. Johnson, Benn Voll | 2003-07-08 |
| 6531694 | Wellbores utilizing fiber optic-based sensors and operating devices | Paulo Tubel, Glynn Williams, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey +1 more | 2003-03-11 |
| 6450258 | Method and apparatus for improved communication in a wellbore utilizing acoustic signals | Robert Green | 2002-09-17 |
| 6438070 | Hydrophone for use in a downhole tool | James R. Birchak, Alvin B. Miller | 2002-08-20 |
| 6325153 | Multi-valve fluid flow control system and method | — | 2001-12-04 |
| 6310829 | Method and apparatus for improved communication in a wellbore utilizing acoustic signals | Robert Green | 2001-10-30 |
| 6302204 | Method of obtaining improved geophysical information about earth formations | Nils Reimers, Paulo Tubel | 2001-10-16 |
| 6281489 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Glynn Williams, Michael H. Johnson, Jeffrey J. Lembcke, Kurt A. Hickey +1 more | 2001-08-28 |
| 6268911 | Monitoring of downhole parameters and tools utilizing fiber optics | Paulo Tubel, Brian Bidigare, Michael H. Johnson, Benn Voll | 2001-07-31 |
| 6253848 | Method of obtaining improved geophysical information about earth formations | Nils Reimers, James V. Leggett, III, Paulo Tubel | 2001-07-03 |
| 6233524 | Closed loop drilling system | Valdimir Dubinsky, James V. Leggett, III | 2001-05-15 |
| 6216784 | Subsurface electro-hydraulic power unit | — | 2001-04-17 |
| 6209640 | Method of obtaining improved geophysical information about earth formations | Nils Reimers, James V. Leggett, III, Paulo Tubel | 2001-04-03 |
| 6206108 | Drilling system with integrated bottom hole assembly | Robert MacDonald, Volker Krueger, Hatem Nasr, Roger Fincher | 2001-03-27 |
| 6187469 | High temperature solid state hollow cylindrical battery including a plurality of solid polymer electrolyte cell | Nikola Marincic, Claude Letourneau | 2001-02-13 |
| 6176323 | Drilling systems with sensors for determining properties of drilling fluid downhole | John B. Weirich, Ronald G. Bland, William Smith, Volker Krueger, Hatem Nasr +1 more | 2001-01-23 |
| 6167965 | Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores | John L. Bearden, Jerald R. Rider, Gordon Besser, Michael H. Johnson, Paulo Tubel +5 more | 2001-01-02 |