Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149395 | Cellular sheet pile retaining systems with unconnected tail walls, and associated methods of use | William Dennis Nottingham, Michael Hartley | 2021-10-19 |
| 10024017 | Cellular sheet pile retaining systems with unconnected tail walls, and associated methods of use | William Dennis Nottingham, Michael Hartley | 2018-07-17 |
| 7097767 | Method of controlling contaminant flow into water reservoir | — | 2006-08-29 |
| 6857819 | Attachment for use with stockpiling barge and method of filtering runoff water therefrom | — | 2005-02-22 |
| 6567341 | Boom system and its use to attenuate underwater sound or shock wave transmission | Harold B. Dreyer | 2003-05-20 |
| 6485229 | Containment/exclusion boom and methods of using the same | Harold B. Dreyer, Dennis Nottingham | 2002-11-26 |
| 5102261 | Floating containment boom | — | 1992-04-07 |