| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| PIPE-FREE | United States Patent and Trademark Office | 11 | 2006-11-28 | 2017-06-30 | historic | details | |
| CRYSTAL CLEAN PIPE-FREE SYSTEM | United States Patent and Trademark Office | 11 | 2005-11-15 | 2012-06-22 | historic | details | |
| CRYSTAL CLEAN | United States Patent and Trademark Office | 11 | 2005-08-30 | 2012-08-07 | historic | details | |
| MURANO SPA |
|
United States Patent and Trademark Office | 11 | 2004-12-21 | 2015-07-24 | historic | details |
| MURANO SPA | United States Patent and Trademark Office | 11 | 2004-11-30 | 2015-07-03 | historic | details |
