Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242662 | Concrete seawall with precast components | — | 2022-02-08 |
| 11193277 | Strand-to-threadbar coupler block for prestressed concrete | — | 2021-12-07 |
| 11000624 | Face covering with ultraviolet emitter | Ryan L. Babcock | 2021-05-11 |
| 10400418 | Combined counterfort retaining wall and mechanically stabilized earth wall | — | 2019-09-03 |
| 10337164 | Threadbar connections for wall systems | — | 2019-07-02 |
| 10280583 | Multi-web counterfort wall system | — | 2019-05-07 |
| 10087598 | Counterfort retaining wall | — | 2018-10-02 |
| 6238144 | Retaining wall and fascia system | — | 2001-05-29 |
| 5468098 | Segmental, anchored, vertical precast retaining wall system | — | 1995-11-21 |
| 5030035 | Earth retaining system | — | 1991-07-09 |
| 4668129 | Retaining wall system using soil arching | Ronald K. Wormus, John D. Nelson | 1987-05-26 |
| 4655646 | Multitiered, rigid tieback, essentially vertical retaining wall system | Ronald K. Wormus | 1987-04-07 |
| 4572711 | Prestressed component retaining wall system | Cade L. Benson | 1986-02-25 |