Issued Patents All Time
Showing 201–225 of 298 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885235 | Multi-phase fluid flow profile measurement | Hua Xia, Robert Atkinson | 2018-02-06 |
| 9863870 | Method and apparatus to use multiple spectroscopic envelopes to determine components with greater accuracy and dynamic range | Jing Shen, Michael T. Pelletier | 2018-01-09 |
| 9857530 | Packaging systems and methods for optical light pipes | Wei Zhang, Robert Atkinson, Michael T. Pelletier, William Soltmann | 2018-01-02 |
| 9851340 | Integrated computational elements with planar waveguide | David L. Perkins, Nagaraja K. Pai, Michael T. Pelletier | 2017-12-26 |
| 9791595 | Identification of heat capacity properties of formation fluid | Hua Xia, Li Gao, Robert Atkinson, Mahaly Randrianavony | 2017-10-17 |
| 9790782 | Identification of thermal conductivity properties of formation fluid | Hua Xia, Li Gao, Robert Atkinson | 2017-10-17 |
| 9778172 | Pulse width modulation of continuum sources for determination of chemical composition | Michael T. Pelletier, William Soltmann, David L. Perkins | 2017-10-03 |
| 9733183 | Designs for integrated computational elements | David L. Perkins, Robert P. Freese, Richard Neal Gardner | 2017-08-15 |
| 9733191 | Directing a drilling operation using an optical computation element | Michael S. Bittar, Clive D. Menezes | 2017-08-15 |
| 9726012 | Systems and methods for optical fluid identification approximation and calibration | Dingding Chen, David L. Perkins, Jing Shen | 2017-08-08 |
| 9719849 | Optical computing devices with multiple bandpass filters | David L. Perkins, Robert P. Freese, Richard Neal Gardner | 2017-08-01 |
| 9703014 | Protective coating for optical elements | Michael T. Pelletier, Robert Atkinson, Wei Zhang | 2017-07-11 |
| 9702248 | Optical fluid model base construction and use | Dingding Chen, David L. Perkins, Jing Shen, Li Gao, Michael T. Pelletier | 2017-07-11 |
| 9702811 | Methods and devices for optically determining a characteristic of a substance using integrated computational elements | Robert P. Freese, David L. Perkins, Michael Simcock, William Soltmann | 2017-07-11 |
| 9658149 | Devices having one or more integrated computational elements and methods for determining a characteristic of a sample by computationally combining signals produced therewith | Robert P. Freese, David L. Perkins, Michael Simcock, William Soltmann | 2017-05-23 |
| 9638034 | Apparatus and method for pulse testing a formation | Dingding Chen, Mark A. Proett, Abdolhamid Hadibeik | 2017-05-02 |
| 9624769 | Determination of fluid compositions | David L. Perkins, Michael T. Pelletier | 2017-04-18 |
| 9600621 | Techniques for optical processing elements | David L. Perkins, Robert P. Freese, Richard Neal Gardner | 2017-03-21 |
| 9542511 | Synthetic gas-oil-ratio determination for gas dominant fluids | Dingding Chen, David L. Perkins, Jing Shen, Michael T. Pelletier, Robert Atkinson | 2017-01-10 |
| 9529145 | Optical element device and method of fabrication thereof | Michael T. Pelletier, Robert Atkinson, Wei Zhang | 2016-12-27 |
| 9523636 | Pulse width modulation of continuum sources for determination of chemical composition | Michael T. Pelletier, William Soltmann, David L. Perkins | 2016-12-20 |
| 9523786 | Monolithic band-limited integrated computational elements | David L. Perkins, Robert P. Freese, Richard Neal Gardner | 2016-12-20 |
| 9519133 | Variable modulation of radiation and components | David L. Perkins, Michael T. Pelletier, Li Gao, Robert Atkinson, William Soltmann | 2016-12-13 |
| 9513163 | Optical design techniques for multilayer thin film devices in compact optical systems | David L. Perkins | 2016-12-06 |
| 9495505 | Adjusting fabrication of integrated computational elements | David L. Perkins, Robert P. Freese, Richard Neal Gardner, James M. Price, Aditya B. Nayak | 2016-11-15 |