| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Optics | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Domestic plumbing installations | |
| #6 | Spectacles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Walter Van E | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US3085754A | Half-circle sprinkler head | |
| US3076061A | Hearing aid | |
| US2785005A | Half-circle sprinkler head | |
| US2736607A | Low angle sprinkler nozzle | |
| US2927598A | Non-spill anti-siphon shut off valve | |
| US1613336A | Lawn sprinkler | |
| US1641559A | Hose band | |
| US1559655A | Sprinkler head | |
| US1476024A | Hose clamp | |
| US1289962A | Sprinkler. | |
| US1187401A | Sprinkler-head. | |
| US1046348A | Lawn-sprinkler. |