| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Switzerland | 1 | |
| #3 | Spain | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Packaging | |
| #2 | Shaping of plastics | |
| #3 | Servomotors | |
| #4 | Money sorting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ahrendt Heinrich | 7 |
| #2 | Birkendahl Karl | 6 |
| #3 | Birkendahl K | 1 |
| #4 | Ahrendt H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2833526A1 | Coil roll packing system - with rolls assembled into layers and counted before banding and wrapping in flexible material | |
| DE2404244A1 | Working cylinder withoutt piton rod - has piston connected via tension element to external unit | |
| DE2352277A1 | Palette wrapping film shrinking process - with turntable for palette to expose all film surface area to heat sources | |
| US3778220A | Apparatus and method for shrinking plastic sheet material about stacked goods | |
| DE2153002A1 | Plastics foil shrinking appts - boggie mounted for shrinking in situ foils draped about goods supporting pallets |