Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7734431 | Method and apparatus for fluid leak detection | Simon John Nitschke | 2010-06-08 | |
| 5007292 | Multicomponent transducer | Ralph L. Cordell, Seun K. Kahng | 1991-04-16 | $22,102,000 |
| 4905517 | Multicomponent transducer | Ralph L. Cordell, Seun K. Kahng | 1990-03-06 | $8,285,000 |
| 4729101 | Method for identifying and separating the effects of elastic and anelastic formation properties in seismic data | Kenneth E. Hanson, Albert L. Frisillo, Carl H. Sondergeld, Leon Thomsen | 1988-03-01 | $18,172,000 |