Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922120 | Process for producing coated TiO.sub.2 pigment using cooxidation to provide hydrous oxide coatings | Narayanan Sankara Subramanian, Pratibha Laxman Gai, Russell Bertrum Diemer, Jr., Alvin Allen | 1999-07-13 |
| 5728205 | Process for the addition of boron in a TiO.sub.2 manufacturing process | Alvin Allen | 1998-03-17 |
| 5323413 | Apparatus for the laser dissociation of molecules | Terry O. Trask, Samir Ahmed | 1994-06-21 |
| 5166909 | Method of seismic exploration using elliptically polarized shear waves | Jack H. Cole | 1992-11-24 |
| 5138153 | Distributed fiber-optic sensor with substance selective permeable coating | F. Monte Evens | 1992-08-11 |
| 5084617 | Fluorescence sensing apparatus for determining presence of native hydrocarbons from drilling mud | — | 1992-01-28 |
| 5061846 | Detecting disturbance using optical gap sensing | — | 1991-10-29 |
| 5054878 | Device for source compensating a fiber optic coupler output | Wilbur J. Myers | 1991-10-08 |
| 5049738 | Laser-enhanced oil correlation system | Roger K. McLimans | 1991-09-17 |
| 5013120 | Monochromator to fiber-cable coupling system | F. Monte Evens | 1991-05-07 |
| 4938597 | Light responsive motion sensing device | — | 1990-07-03 |
| 4922095 | Method and apparatus for sensing disturbance using fiber-optic polarization rotation | — | 1990-05-01 |
| 4922472 | Apparatus for inducing elliptically polarized shear waves in an earth medium | Jack H. Cole, Robert T. Baumel, John E. Strecker | 1990-05-01 |
| 4918303 | Detecting disturbance with cross polarized fiber optic sensing | — | 1990-04-17 |
| 4786478 | Method and apparatus for isotope separation | Samir Ahmed | 1988-11-22 |
| 4612456 | Apparatus and method for generating light having a wavelength in the range of approximately 250-550 nanometers | — | 1986-09-16 |
| 4538278 | Apparatus and method for generating light in the near ultraviolet to infrared range | — | 1985-08-27 |
| 4538230 | Method and apparatus for controlling altitude | Dennis K. Reust | 1985-08-27 |
| 4459024 | Method and apparatus for light detection and ranging for use in visually obstructed areas | — | 1984-07-10 |
| 4446370 | Apparatus for detecting oil in water | — | 1984-05-01 |
| 4434364 | Method and apparatus for underwater detection of hydrocarbons | Aderbal C. Correa, Andrew J. Blanchard | 1984-02-28 |
| 4394573 | Method and apparatus for underwater detection of hydrocarbons | Aderbal C. Correa, Andrew J. Blanchard | 1983-07-19 |