Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074996 | Plastic pipe sealing gasket and process for belling plastic pipe | Randall Chinchilla | 2011-12-13 |
| 7815225 | Self restrained ductile iron fitting | Jim Jones, Randall Chinchilla, Bradford G. Corbett, Jr. | 2010-10-19 |
| 7774915 | Ductile iron pressure fit gasket | Randall Chinchilla | 2010-08-17 |
| 7537248 | Combination seal and restraint system for plastic pipe | Jim Jones, Bradford G. Corbett, Jr., Randall Chinchilla | 2009-05-26 |
| 7513536 | Pipe gasket with selective economy of scale | Bradford G. Corbett, Jr., Guido Quesada | 2009-04-07 |
| D574934 | Pipe gasket | Randall Chinchilla | 2008-08-12 |
| D559363 | Pipe gasket | — | 2008-01-08 |
| D557771 | Pipe gasket | — | 2007-12-18 |
| D557386 | Pipe gasket | — | 2007-12-11 |
| D557387 | Pipe gasket | — | 2007-12-11 |
| D556867 | Pipe gasket for joining large diameter pipe | — | 2007-12-04 |
| D556866 | Pipe gasket with wiper lip | — | 2007-12-04 |
| 7284310 | Method of manufacturing a seal and restraining system | Jim Jones, Bradford G. Corbett, Jr., Randall Chinchilla | 2007-10-23 |