| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Consumer goods | |
| #4 | Environmental technology | |
| #5 | Packaging and shipping | |
| #6 | Machine tools | |
| #7 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Briggs Aubrey C | 11 |
| #2 | Duckworth R Alan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2015272248A1 | Protective belt apparatus and control apparatus therefor | |
| US2014033413A1 | Protective belt apparatus | |
| CA2452549A1 | Pollution control apparatus for industrial processes and the like | |
| US5355696A | Pollution control apparatus for industrial processes and the like | |
| CA1282815C | Method and apparatus for conveying solids using a high velocity vacuum | |
| US4290496A | Combination impact and pressure liquid rock drill |