Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661719 | Building elements for making retaining walls, and systems and methods of using same | Clayton E. Warner, John Koutitsas | 2023-05-30 |
| 11149402 | Building elements for making retaining walls, and systems and methods of using same | Clayton E. Warner, John Koutitsas | 2021-10-19 |
| 10273648 | Building elements for making retaining walls, and systems and methods of using same | — | 2019-04-30 |
| 7845885 | Building element for making walls using filling material, particularly earth or the like | — | 2010-12-07 |
| 7118309 | Component for spatial grid supporting systems comprising filler material especially for retaining walls or noise-abatement walls, and corresponding structure | — | 2006-10-10 |
| 6341922 | Cellular construction, in particular supporting or sound insulating construction capable of being greened, and process for producing the same | — | 2002-01-29 |
| 5836129 | Construction element, in particular supporting or sound insulating construction element capable of being planted, set of construction elements and process for producing the same | — | 1998-11-17 |
| 5419092 | Structures and process for producing same, as well as associated elements and sets of construction elements | — | 1995-05-30 |
| 5181351 | Building element for supporting grid walls with a bulk material filling | — | 1993-01-26 |
| 5139369 | Wall with gravity support structure, building element and method for construction thereof | — | 1992-08-18 |
| 5066169 | Retaining wall system | Norman W. Gavin | 1991-11-19 |
| 5017050 | Building element for supportive grid walls with a bulk material filling | — | 1991-05-21 |
| 4930939 | Wall with gravity support structure, building element and method for construction thereof | — | 1990-06-05 |
| 4818150 | Wall with gravity support structure, building element and method for construction thereof | — | 1989-04-04 |
| 4293245 | Structural system and structural elements for use and construction of earth filled walls | — | 1981-10-06 |