| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 | |
| #3 | Australia | 4 | |
| #4 | New Zealand | 3 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Foundations and excavations | |
| #3 | Shaping clay | |
| #4 | Structural elements | |
| #5 | General building constructions | |
| #6 | Horticulture | |
| #7 | Unspecified technologies | |
| #8 | Working stone | |
| #9 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Castonguay Bertin | 19 |
| #2 | Milot Eric | 17 |
| #3 | Castonguay Rejean | 4 |
| #4 | Perreault Jean-Pierre | 4 |
| #5 | Caux Jocelyn | 4 |
| #6 | Chikani Waguih | 4 |
| #7 | Boucher Jean | 4 |
| #8 | Wilkie Pierre | 4 |
| #9 | Chiniara Elie | 4 |
| #10 | Ratte Alain | 3 |
| Publication | Filing date | Title |
|---|---|---|
| AU2391299A | Kit for a retaining wall and a concrete slab for forming a block | |
| US6024517A | Retaining wall system | |
| CA2230642A1 | Set of paving stones | |
| US6109906A | Apparatus for treating concrete blocks | |
| NZ335442A | A retaining wall system comprising a block having a keyhole for a retaining member and a slab which forms the block | |
| CA2213705A1 | A retaining wall system | |
| US5735643A | Retaining wall system | |
| CA2090387A1 | Block components for a mortarless retaining wall | |
| CA2062595A1 | Precast curb section | |
| US5139721A | Method and apparatus for forming a precast curb system | |
| US4971475A | Precast curb system |