| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | Switzerland | 1 | |
| #6 | Italy | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hershler Abe | 4 |
| #2 | Martin Pope | 1 |
| #3 | Hershier Abe | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT1005546B | DEVICE TO MEASURE THE VAPOR VOLTAGE IN THE GASES | |
| GB1386502A | Electrode for electric humidity sensor | |
| DE2232008A1 | ELECTRODE FOR RESISTOR OR SENSORS, IN PARTICULAR FOR HYGROMETERS | |
| CA973323A | Ion-exchange humidity transducer | |
| US3557619A | Humidity measuring method and apparatus |