| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Germany | 5 | |
| #3 | Spain | 3 | |
| #4 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Domestic plumbing installations | |
| #3 | Unspecified technologies | |
| #4 | Nails | |
| #5 | Clutches and brakes | |
| #6 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hunt Robert G | 8 |
| #2 | George Hunt Robert | 4 |
| #3 | Irwin Lawrence Fitzpatrick | 1 |
| #4 | Hunt Walter W | 1 |
| #5 | Ehrler Fritz Otto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES363871A1 | Improvements in pressure couplings. (Machine-translation by Google Translate, not legally binding) | |
| ES363463A1 | Device for cleaning pipes. (Machine-translation by Google Translate, not legally binding) | |
| ES353625A1 | Fountain device for plumbing tool. (Machine-translation by Google Translate, not legally binding) | |
| US3449003A | Snap coupling | |
| US3224024A | Feed means for plumbers' tool | |
| US3149359A | Wire spring auger head | |
| US3121244A | Closet auger | |
| US3149480A | Plumbers' snake | |
| US3095592A | Pipe cleaning machine | |
| US2955307A | Pipe cleaning machine | |
| US2769191A | Plumber's tool |