Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844669 | Threaded joint sealed to internal and external pressures | Gaston Mauro Mazzaferro, Tatsuo Ono, Nestor J. Santi | 2020-11-24 |
| 9004544 | Threaded joint for tubes, pipes and the like | Alfredo Quiroga | 2015-04-14 |
| 8840152 | Thin-walled pipe joint | Alfredo Quiroga, Gaston Mauro Mazzaferro | 2014-09-23 |
| 8758876 | Nanocomposite coatings for threaded connections | Klaus Endres | 2014-06-24 |
| 8562771 | Joints having improved sealability, lubrication and corrosion resistance | Jesus Casar Ribalta, Diego Dell'erba | 2013-10-22 |
| 8322754 | Nanocomposite coatings for threaded connections | Klaus Endres | 2012-12-04 |
| 8186722 | Super high torque dope-free threaded joint | Francisco Alfredo Quiroga | 2012-05-29 |
| 8052173 | Threaded connections with high and low friction coatings | Ernesto Gallo | 2011-11-08 |
| 7506900 | Threaded joint for pipes provided with seal | Matteo Morotti | 2009-03-24 |
| 7464449 | Method of forming a high-strength sealed connection for expandable tubulars | Nestor J. Santi | 2008-12-16 |
| 7284770 | Thread protector for tubular members | Diego Dell'erba | 2007-10-23 |
| 7255374 | Threaded tube joint | Rita Toscano, Hisao Nakamura, Tommaso Coppola, Tatuso Ono | 2007-08-14 |
| 6971681 | Threaded pipe with surface treatment | Diego Dell'erba | 2005-12-06 |
| 6905150 | Threaded pipe joint | Giuseppe Della Pina, Rita Toscano, Antonio Podrini | 2005-06-14 |
| 6851727 | Threaded pipe joint | Giuseppe Della Pina, Rita Toscano, Tommaso Coppola | 2005-02-08 |
| 6557906 | Tubular members | — | 2003-05-06 |