| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Germany | 4 | |
| #4 | France | 4 | |
| #5 | United Kingdom | 3 | |
| #6 | United States | 2 | |
| #7 | Denmark | 1 | |
| #8 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control |
| # | Technology | |
|---|---|---|
| #1 | Cryptography |
| # | Name | Total Patents |
|---|---|---|
| #1 | Florin B | 7 |
| #2 | Loimaranta Kalevi | 5 |
| #3 | Florin Bengt | 5 |
| #4 | Bengt Florin | 4 |
| #5 | Kalevi Loimaranta | 3 |
| #6 | Lindstein Vigo Waldemar | 3 |
| #7 | Ahlman Per-Erik | 2 |
| #8 | Ahlman Per-Eric | 1 |
| #9 | Per-Erik Ahlman | 1 |
| #10 | Loimaranta K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1235571A | Improved ciphering machine | |
| GB1152707A | A Ciphering Machine. | |
| US3349882A | Ciphering machine | |
| FR1479726A | Cryptographic machine | |
| GB1010223A | Improvements in and relating to cryptographic machines | |
| FR1331129A | Cryptographic machine | |
| DE1165917B | Encryption device for keeping messages secret |