| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Measuring temperature | |
| #2 | Unspecified technologies | |
| #3 | Measuring speed and acceleration | |
| #4 | Electric switches | |
| #5 | Analysing materials | |
| #6 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wappner Ralph C | 5 |
| #2 | Hunt George D | 3 |
| #3 | Dean Hunt George | 2 |
| #4 | Osborne Frank M | 2 |
| #5 | Chaney John L | 2 |
| #6 | Chaney Lee F | 1 |
| #7 | Wappner Charles L | 1 |
| #8 | Edwin Oblinger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3279257A | Adjustable thermometer | |
| US3174339A | Direct reading psychrometer | |
| US3022671A | Thermometer support | |
| US3055216A | Wind speed meter | |
| US2740866A | Temperature controlled switch | |
| US2609690A | Oven thermometer | |
| US2662407A | Thermometer and method of manufacture thereof | |
| US2520911A | Floating thermometer | |
| US2482228A | Thermometer | |
| US2384453A | Inclinometer | |
| US2313688A | Thermometer | |
| US2295703A | Method and means of attaching thermometer tubes to bases | |
| CA442382A | Inclinometer |