Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478417 | Controlled thermal expansion superalloy | Karl A. Heck, Melissa A. Moore, Larry I. Stein, John S. Smith | 1995-12-26 |
| 5439640 | Controlled thermal expansion superalloy | Karl A. Heck, Melissa A. Moore, Larry I. Stein, John S. Smith | 1995-08-08 |
| 5425912 | Low expansion superalloy with improved toughness | Larry I. Stein, Il Sun Hwang | 1995-06-20 |
| 5403547 | Oxidation resistant low expansion superalloys | John S. Smith, Roneldo L. Fisher, Karl A. Heck | 1995-04-04 |
| 4871511 | Maraging steel | Louis G. Coffee | 1989-10-03 |
| 4788036 | Corrosion resistant high-strength nickel-base alloy | Herbert L. Eiselstein, Jerry A. Harris, Edward F. Clatworthy, Stephen Floreen, Jeffrey M. Davidson | 1988-11-29 |
| 4785142 | Superconductor cable | Bill L. Lake, Ronald G. Ballinger | 1988-11-15 |
| 4750954 | High temperature nickel base alloy with improved stability | Edward F. Clatworthy, Thomas H. Bassford | 1988-06-14 |
| 4685978 | Heat treatments of controlled expansion alloy | John S. Smith | 1987-08-11 |
| 4487743 | Controlled expansion alloy | John S. Smith | 1984-12-11 |
| 4445943 | Heat treatments of low expansion alloys | Edward F. Clatworthy | 1984-05-01 |
| 4445944 | Heat treatments of low expansion alloys | Edward F. Clatworthy | 1984-05-01 |
| 4435359 | Apparatus and method for fabricating tubes from powder | Herbert L. Eiselstein, Edward F. Clatworthy | 1984-03-06 |
| 4358511 | Tube material for sour wells of intermediate depths | Edward F. Clatworthy | 1982-11-09 |
| 4200459 | Heat resistant low expansion alloy | David G. Tipton, Edward F. Clatworthy, Donald E. Wenschhof, Jr. | 1980-04-29 |