| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Japan | 3 | |
| #5 | Netherlands | 3 | |
| #6 | United States | 3 | |
| #7 | Canada | 2 | |
| #8 | France | 2 | |
| #9 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Measuring length, angles and areas | |
| #2 | Analysing materials | |
| #3 | Special measuring | |
| #4 | Measuring electric variables | |
| #5 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Piso John S | 11 |
| #2 | Roberge James K | 4 |
| #3 | Jiyon Esu Piso | 3 |
| #4 | Geary David M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4568875A | Moisture corrected denier measurement | |
| GB2020816A | Capacitive measuring system with automatic calibration means | |
| DE2915557A1 | CAPACITIVE MEASURING SYSTEM WITH AUTOMATIC CALIBRATION DEVICE | |
| US4300094A | Finish measuring method and apparatus | |
| US4208625A | Capacitive measuring system with automatic calibration | |
| DE2707000A1 | DEVICE FOR CONTINUOUS CAPACITIVE MEASUREMENT OF THE CHARACTERISTIC SIZES OF A THREAD |