| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Netherlands | 1 | |
| #6 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kreyer Rudolf | 13 |
| Publication | Filing date | Title |
|---|---|---|
| WO2006136219A1 | Small aviary with integrated feed arrangement | |
| DE19906916A1 | Pick-up device for objects, in particular for picking up eggs | |
| DE3322313A1 | Feed device | |
| DE2441381A1 | Mechanical egg-collection-unit for multi-storey hen-batteries - has horizontal lengthwise conveyor-belts and continuous vertical conveyor with cups on |