| Mark Text | Image | Register | NICE classifications | Registration Date | Expiry Date | ||
|---|---|---|---|---|---|---|---|
| CENTRI PIPE |
|
United States Patent and Trademark Office | 7, 19, 37 | 2012-01-31 | details | ||
| CON (MIC) SHIELD | United States Patent and Trademark Office | 1 | 2001-09-04 | details | |||
| COR+GARD | United States Patent and Trademark Office | 2 | 1997-06-24 | details | |||
| PERMACAST | United States Patent and Trademark Office | 1, 7, 37 | 1995-10-10 | details | |||
| PERMAFORM | United States Patent and Trademark Office | 37 | 1992-11-10 | details | |||
| PERMA-FORM | United States Patent and Trademark Office | 37 | 1989-08-08 | 2010-03-14 | historic | details |
