| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Furniture and games | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Unspecified technologies | |
| #5 | Separation | |
| #6 | Lubricating | |
| #7 | Pumps | |
| #8 | Siphons | |
| #9 | Pipes | |
| #10 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ness Frank W Van | 5 |
| #2 | Moukos Charles | 5 |
| #3 | Raddatz Richard | 2 |
| #4 | Cramer Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1087962A | Rotary pump. | |
| US1019103A | Lubricating system and apparatus. | |
| US1022407A | Auxiliary controller. | |
| US1048917A | Vacuum cleaning system. | |
| US1053683A | Vacuum cleaning-tool. | |
| US1090893A | Vacuum-governor. | |
| US974286A | Vacuum cleaning apparatus. | |
| US876371A | Pneumatic brush. | |
| US870981A | Vacuum cleaning system. | |
| US974409A | Coupling-valve for pneumatic cleaning-tools. | |
| US858463A | Coupling. | |
| US936465A | Vacuum-sweeper. |