| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Grinding or polishing devices | |
| #3 | Unspecified technologies | |
| #4 | Grinding tools | |
| #5 | Separation | |
| #6 | Wood processing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ponselle Robert A | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2335963A | Vacuum cleaner | |
| US2291984A | Vacuum cleaner | |
| US2327553A | Vacuum cleaner | |
| US2295687A | Brush | |
| US2153481A | Bumper | |
| US2045406A | Floor machine | |
| US1934088A | Sanding machine | |
| US1918713A | Vacuum cleaner | |
| US1886733A | Sanding drum | |
| US1835573A | Sanding machine | |
| US1855728A | Floor cleaning machine | |
| US1867629A | Portable polishing device | |
| US1736546A | Floor sander | |
| US1591682A | Floor machine | |
| US1228476A | Rotary floor-machine. |