Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006317 | Process for producing crystalline silicon ingot in a fluidized bed reactor | — | 1991-04-09 |
| 4828814 | Process for purification of solid material | Sylvia Pressacco | 1989-05-09 |
| 4781565 | Apparatus for obtaining silicon from fluosilicic acid | — | 1988-11-01 |
| 4753783 | Process and apparatus for obtaining silicon from fluosilicic acid | — | 1988-06-28 |
| 4748014 | Process and apparatus for obtaining silicon from fluosilicic acid | Leonard Nanis | 1988-05-31 |
| 4676968 | Melt consolidation of silicon powder | Kenneth M. Sancier | 1987-06-30 |
| 4655827 | Process for the reduction of fluorides of silicon, titanium, zirconium or uranium | Kenneth M. Sancier | 1987-04-07 |
| 4642228 | Fluxing system for reactors for production of silicon | Kenneth M. Sancier | 1987-02-10 |
| 4612179 | Process for purification of solid silicon | Sylvia Pressacco | 1986-09-16 |
| 4597948 | Apparatus for obtaining silicon from fluosilicic acid | — | 1986-07-01 |
| 4590043 | Apparatus for obtaining silicon from fluosilicic acid | — | 1986-05-20 |
| 4584181 | Process and apparatus for obtaining silicon from fluosilicic acid | Leonard Nanis | 1986-04-22 |
| 4582560 | In situ production of silicon crystals on substrate for use in solar cell construction | — | 1986-04-15 |
| 4442082 | Process for obtaining silicon from fluosilicic acid | — | 1984-04-10 |
| 4356141 | Method of casting silicon into thin sheets | David J. Rowcliffe, Robert W. Bartlett | 1982-10-26 |