Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569210 | Gas jet removal of particulated soil from fabric | Sidney C. Chao, Nelson W. Sorbo | 2003-05-27 |
| 6264753 | Liquid carbon dioxide cleaning using agitation enhancements at low temperature | Sidney C. Chao, Nelson W. Sorbo | 2001-07-24 |
| 6117190 | Removing soil from fabric using an ionized flow of pressurized gas | Sidney C. Chao, Nelson W. Sorbo | 2000-09-12 |
| 5996155 | Process for cleaning, disinfecting, and sterilizing materials using the combination of dense phase gas and ultraviolet radiation | Sidney C. Chao, Robert Beach, Nelson W. Sorbo | 1999-12-07 |
| 5925192 | Dry-cleaning of garments using gas-jet agitation | Angela Y. Wilkerson, Carl W. Townsend, Sidney C. Chao | 1999-07-20 |
| 5858107 | Liquid carbon dioxide cleaning using jet edge sonic whistles at low temperature | Sidney C. Chao, Nelson W. Sorbo | 1999-01-12 |
| 5822818 | Solvent resupply method for use with a carbon dioxide cleaning system | Sidney C. Chao | 1998-10-20 |
| 5784905 | Liquid carbon dioxide cleaning system employing a static dissipating fluid | Carl W. Townsend, Sidney C. Chao | 1998-07-28 |
| 5669251 | Liquid carbon dioxide dry cleaning system having a hydraulically powered basket | Carl W. Townsend | 1997-09-23 |
| 5651276 | Dry-cleaning of garments using gas-jet agitation | Angela Y. Wilkerson, Carl W. Townsend, Sidney C. Chao | 1997-07-29 |
| 5486236 | Accelerated extraction of rolled materials | Carl W. Townsend | 1996-01-23 |
| 5467492 | Dry-cleaning of garments using liquid carbon dioxide under agitation as cleaning medium | Sidney C. Chao, Thomas B. Stanford, Angela Y. Wilkerson | 1995-11-21 |
| 5370740 | Chemical decomposition by sonication in liquid carbon dioxide | Sidney C. Chao | 1994-12-06 |
| 5316591 | Cleaning by cavitation in liquefied gas | Sidney C. Chao, Thomas B. Stanford, Carl W. Townsend | 1994-05-31 |