| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 5 | |
| #2 | United Kingdom | 2 | |
| #3 | Argentina | 1 | |
| #4 | Brazil | 1 | |
| #5 | Denmark | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Audio-visual technology | |
| #3 | Basic communication technologies | |
| #4 | Computer technology | |
| #5 | Semiconductors | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Special measuring | |
| #3 | Measuring electric variables | |
| #4 | Casings and printed circuits | |
| #5 | Semiconductor devices | |
| #6 | Pulse technique | |
| #7 | Measuring light | |
| #8 | Analogue computers | |
| #9 | Measuring temperature | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richardson David A | 2 |
| #2 | Olsen O | 1 |
| #3 | Root Ernest F | 1 |
| #4 | Fuller David Hayes | 1 |
| #5 | Sgourakes Georget | 1 |
| #6 | Vignos James H | 1 |
| #7 | Karas Edwin L | 1 |
| #8 | Bristol Edgar H | 1 |
| #9 | Mattar Wade M | 1 |
| #10 | Schlyter Fredrik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT1046770B | Positioning system for chart recorder - with pen driven by dimensional changes of martensitic alloy wire with temperature | |
| GB857508A | Boiling point temperature measuring system | |
| GB724169A | Recording mechanism | |
| US1880755A | Recorder |