| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Lubricating | |
| #5 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adams Thomas O | 9 |
| #2 | Wise William J | 8 |
| #3 | Putten John R Vander | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1443449A | Dust-bag connector | |
| US1480588A | Adjustable wheel for vacuum cleaners | |
| US1548082A | Fan for vacuum cleaners | |
| US1543972A | Nozzle and brush adjusting device | |
| US1524899A | Motor frame | |
| US1496400A | Bearing for high-speed motors | |
| US1420172A | Vacuum cleaner | |
| CA223208A | Suction cleaner | |
| CA221473A | Switch actuating device for electric carpet sweepers | |
| CA236331A | Motor frame | |
| CA221472A | Vacuum cleaner |