| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 77 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cleaning heat-exchanger internal surfaces | |
| #2 | Rotary-pistons | |
| #3 | Cleaning | |
| #4 | Separation | |
| #5 | Steam turbines | |
| #6 | Unspecified technologies | |
| #7 | Non-positive-displacement pumps | |
| #8 | Rotary pistons | |
| #9 | Venting or aerating devices | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hauer Elmer E | 34 |
| #2 | Weinland Henry F | 28 |
| #3 | Overly Charles F | 5 |
| #4 | Weinland Hermon G | 4 |
| #5 | Ainge George H | 3 |
| #6 | Holt Harris B | 2 |
| #7 | Conn Charles A | 1 |
| #8 | Reid John Patrick | 1 |
| #9 | Robinett Clinton | 1 |
| #10 | Fuller William D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2025009A | Tube cleaner | |
| US1167997A | Motor. | |
| US1163662A | Filter. | |
| US1163661A | Tube-cleaner. | |
| US1124614A | Rotary motor. | |
| US1171611A | Strainer. | |
| US1167996A | Rotary motor for driving tools. | |
| US1124613A | Rotary motor. | |
| US1102749A | Rotary motor. | |
| US1147238A | Rotary motor. | |
| US1102748A | Rotary motor. | |
| US1124734A | Rotary motor. | |
| US1167995A | Motor. | |
| US1147230A | Tube-cleaner. | |
| US1098150A | Strainer for pumps. | |
| US1053131A | Strainer. | |
| US1147237A | Tube-cleaning apparatus. | |
| US1104070A | Rotary motor. | |
| US1104071A | Rotary motor for driving tools. | |
| US1102746A | Rotary motor. |