| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 3 | |
| #3 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Non-positive-displacement pumps | |
| #3 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartstein Friedrich | 4 |
| #2 | Hoelz Otto | 3 |
| #3 | Hoelz Maschinenfabrik A | 2 |
| #4 | Kawik Karl | 2 |
| #5 | Zoller Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1045236B | Suction pipe on pumps | |
| DE956816C | Turning device for rocker arm sprinkler | |
| DE921179C | Switching device for sector irrigation on wide beam sprinklers | |
| DE969973C | Self-rotating sprinklers, especially wide-range sprinklers | |
| DE839573C | Self-rotating sprinklers, especially wide-range sprinklers | |
| DE822633C | Jet pusher for irrigation devices | |
| DE836864C | Self-rotating jet sprinkler |