| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Italy | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lippke P | 6 |
| #2 | Hiemke R | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3812348A | Device for electro-optically ascertaining holes in moving webs | |
| US3823371A | Device for measuring physical properties of a moving web | |
| US3842668A | Device for checking moving webs of paper or the like,relative to flaws | |
| GB1381878A | Apparatus for detecting irregularities in moving webs of material | |
| US3713966A | Apparatus for ascertaining and evaluating the transverse profile of the moisture content of moved webs of paper and the like |