| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Air-conditioning | |
| #3 | Unspecified technologies | |
| #4 | Lighting device details | |
| #5 | Unspecified technologies | |
| #6 | Punching metal | |
| #7 | Springs | |
| #8 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hueglin Herman C | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2542251A | Method of making fans | |
| US2337719A | Fan | |
| US2252179A | Ventilator | |
| US2193284A | Window ventilator | |
| US2145655A | Resilient mounting for a motor or the like | |
| US2130497A | Motor mounting for exhaust fans and the like | |
| US2174747A | Ceiling mounting fixture | |
| US2129933A | Mounting for air circulator devices | |
| US2115527A | Mounting for exhaust fans | |
| US2161471A | Ventilating apparatus | |
| US2084807A | Ventilator |