| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Consumer goods | |
| #3 | Chemical engineering | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Brushes | |
| #2 | Domestic washing | |
| #3 | Handling thin material | |
| #4 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boyer Charles A | 4 |
| #2 | Boyer Charles Augustus | 2 |
| #3 | Boyer Charles Augusts | 1 |
| #4 | Newkirk Perry B | 1 |
| #5 | Bauer Gustavus A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1407913A | Brush construction | |
| US1270257A | Clothes-line reel. | |
| GB102925A | Improvements in and relating to Carpet Sweepers or the like. | |
| CA179584A | Vacuum cleaner and sweeper | |
| CA169946A | Carpet sweeper | |
| CA169945A | Vacuum cleaner | |
| US1283644A | Combination vacuum cleaner and sweeper. | |
| US1169527A | Vacuum-cleaner. | |
| US1169526A | Carpet-sweeper. | |
| US1082356A | Vacuum-cleaner. |