| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Furniture and games | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves | |
| #2 | Non-positive-displacement pumps | |
| #3 | Air-conditioning | |
| #4 | Office furniture | |
| #5 | Kitchen equipment | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolbrink David W | 4 |
| #2 | Bandlow Frederick H | 3 |
| #3 | Sarnosky Joseph R | 2 |
| #4 | Otte Dieter W | 2 |
| #5 | Bandlow Fred H | 2 |
| #6 | Butt Roland E | 2 |
| #7 | Jonas Kenneth J | 1 |
| #8 | Wermager Peter C | 1 |
| #9 | Klug Alan G | 1 |
| #10 | Busch Robert W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5062410A | Downdraft range ventilator | |
| US4594940A | Fan for ventilation | |
| US4614177A | Multi feature range hood | |
| US4510851A | Ventilation fan | |
| US4465256A | Mounting device for range hoods | |
| US3846043A | Blower wheel | |
| US3496704A | Convertible hood for console range | |
| US3358911A | Blower | |
| US3279681A | Blower | |
| US3075335A | Kitchen range hoods | |
| US2993428A | Range hood with a reversible blower panel |