Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859237 | Hydrometallurgical process for producing spherical maraging steel powders with readily oxidizable alloying elements | Nelson E. Kopatz, Joseph E. Ritsko | 1989-08-22 |
| 4853861 | Windshear measurement system | Douglas W. Ford, Shahram Daneshmandi | 1989-08-01 |
| 4847045 | Process for producing tungsten heavy alloy sheet | Preston B. Kemp, Jr. | 1989-07-11 |
| 4836850 | Iron group based and chromium based fine spherical particles | Preston B. Kemp, Jr. | 1989-06-06 |
| 4832907 | Process for producing tungsten heavy alloy sheet | Preston B. Kemp, Jr., James R. Spencer | 1989-05-23 |
| 4802915 | Process for producing finely divided spherical metal powders containing an iron group metal and a readily oxidizable metal | Nelson E. Kopatz, Joseph E. Ritsko | 1989-02-07 |
| 4800064 | Process for producing tungsten heavy alloy sheet using hydrometallurgically produced tungsten heavy alloy | Preston B. Kemp, Jr., Nelson E. Kopatz | 1989-01-24 |
| 4793969 | Process for producing tungsten heavy alloy sheet using high temperature processing techniques | Preston B. Kemp, Jr., Nelson E. Kopatz | 1988-12-27 |
| 4792351 | Hydrometallurgical process for producing irregular morphology powders | Nelson E. Kopatz, Joseph E. Ritsko | 1988-12-20 |
| 4787934 | Hydrometallurgical process for producing spherical maraging steel powders utilizing spherical powder and elemental oxidizable species | Nelson E. Kopatz, Joseph E. Ritsko | 1988-11-29 |
| 4783214 | Low oxygen content fine shperical particles and process for producing same by fluid energy milling and high temperature processing | Preston B. Kemp, Jr. | 1988-11-08 |
| 4783218 | Process for producing spherical refractory metal based powder particles | Preston B. Kemp, Jr. | 1988-11-08 |
| 4783216 | Process for producing spherical titanium based powder particles | Preston B. Kemp, Jr. | 1988-11-08 |
| 4783215 | Low oxygen content iron group based and chromium based fine spherical particles and process for producing same by fluid energy milling and temperature processing | Preston B. Kemp, Jr. | 1988-11-08 |
| 4781741 | Process for producing spherical glass particles | Nelson E. Kopatz, Lori S. Pruyne | 1988-11-01 |
| 4780131 | Process for producing spherical light metal based powder particles | Preston B. Kemp, Jr. | 1988-10-25 |
| 4778515 | Process for producing iron group based and chromium based fine spherical particles | Preston B. Kemp, Jr. | 1988-10-18 |
| 4778517 | Hydrometallurgical process for producing finely divided copper and copper alloy powders | Nelson E. Kopatz | 1988-10-18 |
| 4777015 | Process for producing tungsten heavy alloy sheet using a metallic salt binder system | Preston B. Kemp, Jr., James R. Spencer | 1988-10-11 |
| 4772315 | Hydrometallurgical process for producing finely divided spherical maraging steel powders containing readily oxidizable alloying elements | Nelson E. Kopatz, Joseph E. Ritsko | 1988-09-20 |
| 4756746 | Process of producing fine spherical particles | Preston B. Kemp, Jr. | 1988-07-12 |
| 4755221 | Aluminum based composite powders and process for producing same | Muktesh Paliwal | 1988-07-05 |
| 4735652 | Process for producing agglomerates of aluminum based material | Muktesh Paliwal, Lori S. Pruyne, John E. Miller | 1988-04-05 |
| 4731111 | Hydrometallurical process for producing finely divided spherical refractory metal based powders | Nelson E. Kopatz, Joseph E. Ritsko | 1988-03-15 |
| 4731110 | Hydrometallurigcal process for producing finely divided spherical precious metal based powders | Nelson E. Kopatz, Joseph E. Ritsko | 1988-03-15 |