| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Israel | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | India | 2 | |
| #7 | South Africa | 2 | |
| #8 | African Regional Industrial Property Organization | 1 | |
| #9 | Canada | 1 | |
| #10 | China | 1 | |
| #11 | Mexico | 1 | |
| #12 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiemstra Lourens Abram Viljoen | 5 |
| #2 | Lourens Abram Viljoen Hiemstra | 3 |
| #3 | Hiemstra Lourens A V | 3 |
| #4 | Christoffel Theron | 2 |
| #5 | Theron Christoffel | 1 |
| #6 | Hiemstra Lourens Abram | 1 |
| #7 | Hiemstra Lourens Abram Viljeon | 1 |
| #8 | Theron Christofell | 1 |
| #9 | Hiemstra Lourens Abram V | 1 |
| #10 | Lourens Abram Vilioen Hiemstra | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BRPI0404415A | irrigation system emitting pipe | |
| IL164473D0 | Emitter tube for irrigation system | |
| CN1655874A | Emitter tube for irrigation system | |
| ZA8805603B | Sprinkling device | |
| EP0302668A2 | Sprinkling device | |
| ZA8708402B | Flow regulating device | |
| AP8700072A0 | "Flow regulating device." |