| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | France | 5 | |
| #3 | United States | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Electrical machinery and energy | |
| #6 | Telecommunications | |
| #7 | Measurement | |
| #8 | Packaging and shipping | |
| #9 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Girardelli Riccardo | 5 |
| #2 | Riccardo Girardelli | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB949938A | Continuous speed changer | |
| GB691137A | Improvements in and relating to simultaneously hand- and self-regulated change-speed gears | |
| GB256656A | Receiving device for the deferred repetition of angular movements transmitted to a distance | |
| GB227109A | Improvements in milling machines for copying and reproducing | |
| GB147085A | Improved device for laying guns or other instruments on a movable platform | |
| GB147084A | Improvements in anti-aircraft gunnery | |
| US1522509A | Transmission device | |
| US1522008A | Stabilizing device | |
| US1410912A | Transmitter for distant controlling apparatus for ordnance |