| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Making wound articles | |
| #3 | Shaping of plastics | |
| #4 | Producing goods from plastic | |
| #5 | Certain plastics | |
| #6 | Paper coating | |
| #7 | Mechanical paper working | |
| #8 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friedrichs Dr Werner | 4 |
| #2 | Geffcken Dr Heinrich | 1 |
| #3 | Brockert Fritz | 1 |
| #4 | Huebner Dr Gustav | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE725611C | Process for the production of one-piece tubes from partially hydrochlorinated rubber | |
| DE728910C | Mandrel for machines for the production of glued hoses or pipes | |
| DE702344C | Method of making tubes | |
| DE702513C | Elastic squirt bottle | |
| DE732267C | Method of making tubes | |
| DE704473C | Method of connecting the wrapped pouch to the overlapping head of a two-part tube |