| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Transport | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Machines | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Non-positive-displacement pumps | |
| #3 | Auxiliaries on vessels | |
| #4 | Unspecified technologies | |
| #5 | Smoking accessories | |
| #6 | Containers for goods storage | |
| #7 | Railway bodies | |
| #8 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Breidert George M | 13 |
| #2 | Breidert George C | 6 |
| #3 | Sheppard Albert S | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3305163A | Ventilator | |
| US3168780A | Method of making roof ventilator | |
| US3072039A | Marine ventilator | |
| US3063358A | Roof-type ventilation device | |
| US2980007A | Roof ventilator | |
| US2933036A | Ventilating device | |
| US3011423A | Ventilator construction | |
| US2922354A | Ventilator | |
| US2830527A | Ventilator | |
| US2830524A | Ventilator | |
| US2830526A | Ventilating device | |
| US2782705A | Grain storage structure and method | |
| US2644467A | Smoke siphoning ash tray | |
| CA774976A | Ventilator | |
| CA566335A | Ventilating device | |
| CA707077A | Roof ventilator and method of making the same | |
| CA561269A | Ventilator | |
| CA686484A | Roof ventilator |