| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Germany | 4 | |
| #3 | Spain | 4 | |
| #4 | France | 4 | |
| #5 | United Kingdom | 4 | |
| #6 | United States | 4 | |
| #7 | Canada | 2 | |
| #8 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Aime Fortier Andre Louis | 3 |
| #2 | Portier Andre | 2 |
| #3 | Etavex S A | 2 |
| #4 | Fortier Andre | 2 |
| #5 | A Etavex S | 2 |
| #6 | Fortier Andre Louis Aime | 1 |
| #7 | Fortier Andre L A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB699779A | Improvements in or relating to pneumatic linear dimension gauges | |
| US2571557A | Pneumatic size gauging device | |
| GB681447A | Improvements in or relating to pneumatic gauging apparatus | |
| GB682608A | Improvements in or relating to pneumatic gauging apparatus | |
| GB638209A | Improvements relating to pneumatic gauging apparatus | |
| CA484111A | Differential pressure indicating devices | |
| CA532723A | Pneumatic calibrating apparatus |