Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029756 | Closed-loop silicon production | — | 2011-10-04 |
| 6432372 | Method and apparatus for preventing reactive vapor backstreaming and backstreaming induced deposition | — | 2002-08-13 |
| 5126117 | Device for preventing accidental releases of hazardous gases | Lawrence B. Anderson, Timothy E. Hammon | 1992-06-30 |
| 4979643 | Chemical refill system | Bruce A. Lipisko, Richard E. Howard, Peter T. Randke, Adrian Sandu, Robert E. Fletcher +1 more | 1990-12-25 |
| 4966611 | Removal and destruction of volatile organic compounds from gas streams | Joseph McMenamin, Lawrence B. Anderson, Harold R. Cowles, Stephen Michael Lord | 1990-10-30 |
| 4891201 | Ultra-pure epitaxial silicon | — | 1990-01-02 |
| 4859375 | Chemical refill system | Bruce A. Lipisko, Richard E. Howard, Peter T. Randtke, Adrian Sandu, Robert E. Fletcher +1 more | 1989-08-22 |
| 4341610 | Energy efficient process for continuous production of thin semiconductor films on metallic substrates | — | 1982-07-27 |
| 4298037 | Method of shipping and using semiconductor liquid source materials | Andre Lagendijk | 1981-11-03 |
| 4227291 | Energy efficient process for continuous production of thin semiconductor films on metallic substrates | — | 1980-10-14 |