Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085199 | Sealing gasket for ductile iron pipe and method of manufacture | Rodney Pacheco, Guido Quesada, Bernal Rojas | 2024-09-10 |
| 11415257 | Apparatus and method for joining molecularly oriented pipe | Guido Quesada, Keith Steinbruck | 2022-08-16 |
| 10107425 | Joint restraint for molecularly oriented pipe and method of manufacture using a groove formed on a spigot | Guido Quesada | 2018-10-23 |
| 8056334 | Energy recovery method for plastic pipe manufacturing systems | — | 2011-11-15 |
| 7815225 | Self restrained ductile iron fitting | Jim Jones, Gerardo Darce, Randall Chinchilla | 2010-10-19 |
| 7618071 | Integral restraint system and method of manufacture for plastic pipe | Jim Jones | 2009-11-17 |
| 7616119 | Method of locating pipelines using RFID technology | — | 2009-11-10 |
| 7537248 | Combination seal and restraint system for plastic pipe | Jim Jones, Gerardo Darce, Randall Chinchilla | 2009-05-26 |
| 7513536 | Pipe gasket with selective economy of scale | Gerardo Darce, Guido Quesada | 2009-04-07 |
| 7509724 | Snap fit sealing gasket with precisely located internal retainer ring for square pipe grooves | Guido Quesada | 2009-03-31 |
| 7461848 | Snap in place gasket for sealing plastic pipelines and method of installation | — | 2008-12-09 |
| 7441319 | Snap fit sealing gasket with precisely located internal retainer ring for triangular pipe grooves | Guido Quesada | 2008-10-28 |
| 7410174 | Restraining mechanical joint gasket for ductile iron pipe | Jim Jones | 2008-08-12 |
| 7392989 | Connector gasket for concrete structures | — | 2008-07-01 |
| 7328493 | Self restrained fitting for PVC and ductile iron pipe | Jim Jones | 2008-02-12 |
| 7327251 | RFID system for locating people, objects and things | — | 2008-02-05 |
| 7310867 | Snap in place gasket installation method | — | 2007-12-25 |
| 7284310 | Method of manufacturing a seal and restraining system | Jim Jones, Gerardo Darce, Randall Chinchilla | 2007-10-23 |
| 7158034 | Pipe gasket manufacturing and identification method with RFID tracking | — | 2007-01-02 |
| 7134204 | Integral restraint system and method of manufacture for plastic pipe | Jim Jones | 2006-11-14 |
| 6947443 | Pipe belling apparatus and method | — | 2005-09-20 |
| 6676886 | Pipe belling process | — | 2004-01-13 |
| 6328309 | Pipe belling process using anti-friction coating | — | 2001-12-11 |
| 6299176 | Dual purpose low insertion force gasket | Samuel Guzowski | 2001-10-09 |
| 6113159 | Pipe gasket with shielded band | — | 2000-09-05 |