Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433611 | Dual hob drive quick release high flow filament extruder | Jonathan R. Schroeder, Joseph A. Binka, Kenshin Ushiroda | 2022-09-06 |
| 9291585 | Apparatus and method for phase equilibrium with in-situ sensing | Anil Singh, Kurt Schmidt, Brian Abbott, Eric Paul Donzler | 2016-03-22 |
| 8910514 | Systems and methods of determining fluid properties | Matthew T. Sullivan, Christopher Harrison, Ahmad Latifzai, Elizabeth Smythe, Shunsuke Fukagawa +1 more | 2014-12-16 |
| 8786860 | Measurement of liquid fraction dropout using micropatterned surfaces | Christopher Harrison, Matthew T. Sullivan, Bradley Martin, Albert Ballard Andrews, Oliver C. Mullins | 2014-07-22 |
| 8564768 | High pressure and high temperature optical spectroscopy cell using spherical surfaced lenses in direct contact with a fluid pathway | Bill Grant, Dan Angelescu | 2013-10-22 |
| 8389054 | Fabrication technique for metallic devices with embedded optical elements, optical devices, or optical and electrical feedthroughs | Dan Angelescu | 2013-03-05 |
| 7933018 | Spectral imaging for downhole fluid characterization | Stephane Vannuffelen, Ahmed Hammami, Toru Terabayashi, Tsutomu Yamate, Terry Sopkow +6 more | 2011-04-26 |
| 7799278 | Microfluidic system for chemical analysis | Philippe Salamitou, Joyce Wong, Bhavani Raghuraman, Jagdish Shah, Ronald E. G. van Hal +1 more | 2010-09-21 |
| 7695629 | Microfluidic separator | Philippe Salamitou, Joyce Wong, Bhavani Raghuraman, Jagdish Shah, Ronald E. G. van Hal +1 more | 2010-04-13 |
| 7658226 | Method of monitoring fluid placement during stimulation treatments | Murtaza Ziauddin, Bhavani Raghuraman, Li Jiang, Xuefei Sun, Sebastien Fremont +7 more | 2010-02-09 |
| 7279678 | Method and apparatus for composition analysis in a logging environment | A. Ballard Andrews, Jacques Jundt, Bhavani Raghuraman, Oliver C. Mullins | 2007-10-09 |
| 7215416 | Method for measuring using optical fiber distributed sensor | Tsutomu Yamate, Rogerio Tadeu Ramos, Oliver C. Mullins | 2007-05-08 |
| 7126680 | Method for measuring and calibrating measurements using optical fiber distributed sensor | Tsutomu Yamate, Rogerio Tadeu Ramos, Oliver C. Mullins | 2006-10-24 |
| 6946645 | Measuring system with sweeping comb filter and multiplexer | Jeffrey A. Tarvin, Rogerio Tadeu Ramos, Tsutomu Yamate | 2005-09-20 |
| 6898339 | Multiple mode pre-loadable fiber optic pressure and temperature sensor | Jagdish Shah, Philip Dryden, Rogerio Tadeu Ramos, Raghu Madhavan | 2005-05-24 |
| 6751556 | Technique and system for measuring a characteristic in a subterranean well | Jeffrey A. Tarvin, Rogerio Tadeu Ramos, George A. Brown | 2004-06-15 |
| 6363180 | Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems | Tsutomu Yamate, Rogerio Tadeu Ramos, Eric Udd | 2002-03-26 |
| 6304686 | Methods and apparatus for measuring differential pressure with fiber optic sensor systems | Tsutomu Yamate, Rogerio Tadeu Ramos, Raghu Madhavan | 2001-10-16 |
| 6246048 | Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors | Rogerio Tadeu Ramos, Raghu Madhavan, Tsutomu Yamate, Stephen Balkunas | 2001-06-12 |
| 6218661 | Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors | Tsutomu Yamate, Rogerio Tadeu Ramos, Raghu Madhavan, Eric Udd | 2001-04-17 |
| 5841131 | Fiber optic pressure transducers and pressure sensing system incorporating same | Eric Udd | 1998-11-24 |
| 5790185 | Video inspection or logging tool | Francois M. Auzerais, Benoit Couet, Jeffrey A. Tarvin | 1998-08-04 |
| 5166747 | Apparatus and method for analyzing the composition of formation fluids | Jeffrey A. Tarvin | 1992-11-24 |