Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8698939 | Dual beam optic with dichroic filter | — | 2014-04-15 |
| 8323576 | Vapor sensing instrument for ultra trace chemical detection | Craig Aker, Colin J. Cumming, Mark E. Fisher, Michael Fox, Marcus LaGrone +2 more | 2012-12-04 |
| 8319880 | Dual beam optic with dichroic filter | — | 2012-11-27 |
| 7419636 | Vapor sensing instruments for ultra trace chemical detection | Craig Aker, Colin J. Cumming, Mark E. Fisher, Michael Fox, Marcus J. IaGrone +2 more | 2008-09-02 |
| 6868911 | Methods and apparatus for subterranean fluid separation and removal | Henry P. Jacobson | 2005-03-22 |
| 6558626 | Vapor sensing instrument for ultra trace chemical detection | Craig Aker, Colin J. Cumming, Mark E. Fisher, Michael Fox, Marcus LaGrone +2 more | 2003-05-06 |
| H651 | Gas phase photoacoustic detector for infrared spectroscopy | Dennis M. Davis, Lynn D. Hoffland | 1989-07-04 |
| 4839516 | Method for quantitative analysis of core samples | David L. Freeman, Donald G. Harville | 1989-06-13 |
| 4699002 | Process and apparatus for analyzing cuttings from oil and gas wells | — | 1987-10-13 |
| 4608859 | Process and apparatus for analyzing cutting from oil and gas wells | — | 1986-09-02 |
| 4348428 | Method of depositing doped amorphous semiconductor on a substrate | Gilbert J. Mains | 1982-09-07 |