| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Venting or aerating devices | |
| #3 | Sanitary equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willms Charles | 13 |
| #2 | Liebig Gustav A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB190813965A | Flushing Tanks for Water-closets. | |
| US850989A | Flushing-tank. | |
| GB190628913A | Improvements in Water Tanks. | |
| CA108410A | Floats for flushing tanks | |
| US849708A | Flushing-tank. | |
| GB190622776A | Improvements in Floats for Flushing Tanks. | |
| US869953A | Water-tank. | |
| US848147A | Water-tank. | |
| US838601A | Water-tank. | |
| US835089A | Float for flushing-tanks. | |
| US840032A | Water-closet seat. | |
| US849707A | Tank-float. | |
| CA35304A | Electric battery |