| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | Denmark | 4 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Animal care | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kilian Karl | 4 |
| #2 | Raithel Paul | 2 |
| #3 | Marquardt Eugen | 2 |
| #4 | Hahn Otto | 1 |
| #5 | Schatt Firma J S | 1 |
| #6 | Rosenthal Dipl-Ing Siegfried | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE813330C | Cattle pond | |
| DE808508C | Cattle pond | |
| DE808509C | Cattle pond | |
| DE808507C | Cattle pond | |
| DE813329C | Shut-off device for the hinged lid of cattle pond | |
| DE808397C | Cattle pond | |
| DE742731C | Inclined spindle valve | |
| DE680066C | Stopcock or valve for gas and liquid lines |