| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Dredging | |
| #3 | Motor vehicles | |
| #4 | Scaffolding | |
| #5 | Crop agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koehl Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5195865A | Rapid interchangeability device for earth-moving devices carrying vibrators | |
| FR2420604A1 | Prefabricated trench shoring panel - consists of plane and corrugated sheets connected by spot welds between corrugations in addition to edge welds | |
| FR2393704A1 | Temporary wheels for moving heavy plant - has axle fitted to pivoted jib and bucket and driven by normal wheels | |
| FR2318979A1 | Self propelled trench liner - is advanced in increments by jacks which bear on rear transverse panel bearing on compacted fill |