| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | United States | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Measuring temperature | |
| #2 | Registering devices | |
| #3 | Time-interval measuring | |
| #4 | Analysing materials | |
| #5 | Special measuring | |
| #6 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Langenfeld Bruno | 8 |
| #2 | Mueller Hubert | 7 |
| #3 | Frahne Dietrich | 3 |
| #4 | Mueller Hubert Prof Dr | 2 |
| #5 | Kesler Rudolf Werner Prof Dr | 1 |
| #6 | Dietrich Frahne | 1 |
| #7 | Frahne Dietrich Prof Dr | 1 |
| #8 | Wedler Michael Dipl Ing | 1 |
| #9 | Hubert Mueller | 1 |
| #10 | Bruno Langenfeld | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6609890A | Indicator for displaying time-lapses and/or the onset of changes of state | |
| DE4000143A1 | Moisture-regulating packaging | |
| DE3936543A1 | ELECTRICAL EXPIRY INDICATOR | |
| DE3907683A1 | INDICATOR, METHOD FOR THE PRODUCTION AND USE THEREOF |