| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Australia | 3 | |
| #5 | Canada | 3 | |
| #6 | United Kingdom | 2 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Control | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Unspecified technologies | |
| #3 | Pipes | |
| #4 | Systems controlling non-electric variables | |
| #5 | Vehicle air-treating devices | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gorchev Dimiter | 18 |
| #2 | Willke Herbert L Jr | 7 |
| #3 | Ingard Karl U | 7 |
| #4 | Ingard Karl Uno | 5 |
| #5 | Gorchev D | 4 |
| #6 | Rodgers Thomas P | 3 |
| #7 | Willke Jr Herbert L | 3 |
| #8 | Ingard K | 2 |
| #9 | Willke H | 2 |
| #10 | Rodgers T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4418788A | Branch take-off and silencer for an air distribution system | |
| AU5094279A | Branch take-off + silencer for an air distribution system | |
| US4313522A | Static pressure regain coupler for an air distribution system | |
| US4223832A | Damper for an air distribution system | |
| US4182430A | Branch take-off and silencer for an air distribution system | |
| US4295416A | Air distribution system | |
| US4100964A | Induction ventilation system | |
| US3981326A | Induction mixing nozzle | |
| US3799046A | Diffuser valve |