Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8091728 | Wet well apparatus with base form and installation method regarding same | — | 2012-01-10 |
| 7337590 | Tank retaining system | Douglas Morrissette, Robin Berg, David Grams | 2008-03-04 |
| 7229233 | Double walled containment sumps | Michael Zais, Roberto Sanchez | 2007-06-12 |
| 7150582 | Form for street box in underground storage tank installation | — | 2006-12-19 |
| 7028967 | Tank retaining system | Douglas Morrissette, Robin Berg, David Grams | 2006-04-18 |
| 6889865 | Method and apparatus for pressure testing storage tanks | Don C. Abel, Chester Batzkiel, Greg Carty, Onesimo Gomez, David Lehman +2 more | 2005-05-10 |
| 6698610 | Triple walled underground storage tank | Robin Berg, Albert F. Dorris, John Smith | 2004-03-02 |
| 6551024 | System and method for detecting leaks in underground storage tank | Robin Berg, Richard J. Kelber | 2003-04-22 |
| 6517719 | Oil and water separator | — | 2003-02-11 |
| 6467344 | Underground storage tank buoyancy and buoyancy safety factor calculation method and apparatus | Kiet Tuong Ly, Albert F. Dorris, Robin Berg | 2002-10-22 |
| 6398057 | Triple walled underground storage tank | Robin Berg, Albert F. Dorris, John Smith | 2002-06-04 |
| 6167608 | Tank upgrading method and tank assembly | Robin Berg, John M. Clark | 2001-01-02 |
| 5720404 | Female-molded underground storage tank and method of making | Robin Berg, Neil Olson, John Smith | 1998-02-24 |
| 5220823 | Double walled underground storage tank | Robin Berg, Dave Correll | 1993-06-22 |
| 4948007 | Underground storage tank of corrosion-resistant materials with internal steel rib | Robin Berg | 1990-08-14 |