| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Electrical machinery and energy | |
| #5 | Telecommunications | |
| #6 | Chemical engineering | |
| #7 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Pulse technique | |
| #2 | Analysing materials | |
| #3 | Alarm systems | |
| #4 | Control or regulating systems | |
| #5 | Dynamo-electric machines | |
| #6 | Typewriters | |
| #7 | Telephonic communication | |
| #8 | Resonators | |
| #9 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mur Nicolaas | 2 |
| #2 | Houwelingen Jan Van | 2 |
| #3 | Leijten Johannes | 2 |
| #4 | Leyten Johannes | 2 |
| #5 | Kamp Johannes Jacobus | 1 |
| #6 | Walburg Johannes Wilhelmus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3657565A | Control circuit for power control by means of a thyristor | |
| GB1187540A | Reference Electrode | |
| US3573815A | Measuring point scanner | |
| GB1147590A | Improvements in or relating to vibrating devices for measuring electrodes | |
| GB1074704A | Printing mechanism for multi-colour recording devices |