Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788036 | Corrosion resistant high-strength nickel-base alloy | Herbert L. Eiselstein, Jerry A. Harris, Darrell F. Smith, Jr., Stephen Floreen, Jeffrey M. Davidson | 1988-11-29 |
| 4750950 | Heat treated alloy | Pasupathy Ganesan, Jerry A. Harris | 1988-06-14 |
| 4750954 | High temperature nickel base alloy with improved stability | Darrell F. Smith, Jr., Thomas H. Bassford | 1988-06-14 |
| 4445943 | Heat treatments of low expansion alloys | Darrell F. Smith, Jr. | 1984-05-01 |
| 4445944 | Heat treatments of low expansion alloys | Darrell F. Smith, Jr. | 1984-05-01 |
| 4435359 | Apparatus and method for fabricating tubes from powder | Herbert L. Eiselstein, Darrell F. Smith, Jr. | 1984-03-06 |
| 4358511 | Tube material for sour wells of intermediate depths | Darrell F. Smith, Jr. | 1982-11-09 |
| 4200459 | Heat resistant low expansion alloy | Darrell F. Smith, Jr., David G. Tipton, Donald E. Wenschhof, Jr. | 1980-04-29 |