| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 54 | |
| #2 | Canada | 43 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Thermal processes | |
| #4 | Machine tools | |
| #5 | Mechanical elements | |
| #6 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Unspecified technologies | |
| #3 | Air-conditioning | |
| #4 | Unspecified technologies | |
| #5 | Punching metal | |
| #6 | Domestic heating systems | |
| #7 | Gearing | |
| #8 | Metal-working | |
| #9 | Dynamo-electric machines | |
| #10 | Domestic stoves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wentling William H | 24 |
| #2 | Martin Warner W | 19 |
| #3 | Kinsworthy Donald D | 11 |
| #4 | Wilken Carl E | 11 |
| #5 | Burrowes John B | 8 |
| #6 | Ganger Karl M | 7 |
| #7 | Powell William P | 7 |
| #8 | Strouth Robert L | 6 |
| #9 | Beehler Richard F | 3 |
| #10 | Von Delden Florens J | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US3456927A | Purging system for humidifier | |
| US3352297A | Humidifiers | |
| US3433403A | Fan inlet shroud | |
| US3407995A | Blower assembly | |
| US3385511A | Blower | |
| US3321688A | A.c./d.c. fed transistorized induction motors | |
| US3339831A | Blower | |
| US3305912A | Centrifugal fan manufacturing | |
| US3274993A | Humidifier | |
| US3266481A | Humidifier | |
| US3274992A | Humidifier | |
| US3315948A | Air conditioning system | |
| US3339902A | Humidifier | |
| US3297928A | Electric motors including plural sets of winding switches | |
| US3324368A | Transistorized electric induction motors and circuits for operation on direct current | |
| US3249102A | Humidifier | |
| US3281631A | Electric motors | |
| US3223313A | Air moving device | |
| US3251540A | Air moving device | |
| US3211364A | Blower wheel |