| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | France | 5 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Porta Paolo Della | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB919935A | Improvements in and relating to getter devices | |
| GB945567A | Improvements in getter devices of the ring shaped kind | |
| GB942959A | Improvements in and relating to getter materials | |
| GB974233A | Improvements in and relating to electronic devices | |
| GB963598A | Improvements in and relating to getter devices | |
| GB951470A | Improvements in and relating to getter devices and gettering methods |