| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Thermal processes | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Domestic plumbing installations | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Ignition and extinguishing | |
| #5 | Sanitary equipment | |
| #6 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leon Bloch | 10 |
| #2 | Bloch Leon | 3 |
| #3 | Gommes-Britto Ernest | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2859453A | Drain control device for bath tubs | |
| US2572101A | Drain fitting for washbasins and the like | |
| US2464018A | Waste fitting | |
| US2374642A | Waste and overflow fitting | |
| US2321176A | Waste and overflow fitting | |
| US1870089A | Waste pipe fitting | |
| US1821959A | Bathtub | |
| US1579503A | Valve | |
| GB157955A | Valve | |
| GB164643A | Improvements in and relating to valves | |
| US1411904A | Valve | |
| US1332793A | Combined waste and overflow |