| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | United States | 6 | |
| #3 | Germany | 5 | |
| #4 | France | 5 | |
| #5 | Switzerland | 2 | |
| #6 | Japan | 2 | |
| #7 | Austria | 1 | |
| #8 | Canada | 1 | |
| #9 | German Democratic Republic | 1 | |
| #10 | Italy | 1 | |
| #11 | Poland | 1 | |
| #12 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Unspecified technologies | |
| #3 | Locks | |
| #4 | Pipes | |
| #5 | Measuring force, work and fluid pressure | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zahid Abduz | 5 |
| #2 | Lissau Frederic | 3 |
| #3 | Ronald Felson | 2 |
| #4 | Felson Ronald | 2 |
| #5 | Mauro Guy | 2 |
| #6 | M Check Mathias | 1 |
| #7 | Check Mathias M | 1 |
| #8 | Abduz Zahid | 1 |
| #9 | Felson R | 1 |
| #10 | Sussina S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2047344A | Actuator assembly for rotary valve | |
| US3722241A | Security cylinder lock | |
| US3611811A | Differential density manometer | |
| US3610046A | All-fluid differential pressure gauge | |
| US3643510A | Fluid displacement pressure gauges | |
| US3512382A | Hybrid lock | |
| US3416336A | Magnetic lock devices | |
| CA812488A | Magnetic lock device |