| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Domestic plumbing installations | |
| #4 | Sanitary equipment | |
| #5 | Sewers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niedecken Edward F | 16 |
| #2 | Jones Walter I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2002789A | Shower bath cabinet | |
| US1960278A | Plumbing fixture | |
| US1900658A | Shower stall | |
| US1943140A | Mixing valve | |
| US1836491A | Drain connection | |
| US1786771A | Drain connection | |
| US1669772A | Valve | |
| US1543511A | Valve template | |
| US1538207A | Valve | |
| US1054023A | Mixing-valve. | |
| US1001431A | Mixing-valve. | |
| CA286038A | Valve | |
| CA265459A | Valve | |
| CA356225A | Shower bath cabinet | |
| CA266024A | Sprinkler head | |
| CA318396A | Drain connection |