| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Separation | |
| #3 | Chemical or physical processes | |
| #4 | Nails | |
| #5 | Unspecified technologies | |
| #6 | Dredging | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berry Edward F | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA183148A | Pipe coupling | |
| US1291376A | Flexible pipe-coupling. | |
| CA177786A | Coupling | |
| US1233172A | Coupling. | |
| US1233171A | Coupling. | |
| US1233169A | Coupling. | |
| US1233168A | Detachable pipe-coupling. | |
| US1233170A | Coupling. | |
| US1065658A | Dredging device, (pontoon.) | |
| US1076738A | Dredging device (coupling.) | |
| US670094A | Pressure water-filter. |