| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 2 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Spain | 2 | |
| #5 | Ireland | 2 | |
| #6 | Israel | 2 | |
| #7 | Japan | 2 | |
| #8 | United States | 2 | |
| #9 | Austria | 1 | |
| #10 | Belgium | 1 | |
| #11 | Canada | 1 | |
| #12 | Switzerland | 1 | |
| #13 | German Democratic Republic | 1 | |
| #14 | Germany | 1 | |
| #15 | Denmark | 1 | |
| #16 | EPO (European Patent Office) | 1 | |
| #17 | Finland | 1 | |
| #18 | France | 1 | |
| #19 | United Kingdom | 1 | |
| #20 | Greece | 1 | |
| #21 | India | 1 | |
| #22 | Italy | 1 | |
| #23 | Malawi | 1 | |
| #24 | Mexico | 1 | |
| #25 | Netherlands | 1 | |
| #26 | Norway | 1 | |
| #27 | New Zealand | 1 | |
| #28 | Poland | 1 | |
| #29 | Portugal | 1 | |
| #30 | Romania | 1 | |
| #31 | Sweden | 1 | |
| #32 | Turkey | 1 | |
| #33 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #34 | Zambia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Pumps | |
| #3 | Animal catching |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobs Jacobus Petrus | 6 |
| #2 | Jacobs Jacobus P | 6 |
| #3 | Jacobs J P | 4 |
| #4 | Jacobs J | 4 |
| #5 | Jacobus Petrus Jacobs | 2 |
| #6 | Jacobs Jacubus Petrus | 1 |
| #7 | Yakobasu Betorusu Yakobusu | 1 |
| #8 | Yakobasu Petorusu Yakobusu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IE790863L | Portable spray apparatus | |
| RO81925B | Apparatus for watering plants | |
| IL57157A | Method for spraying plants and apparatus therefor | |
| GR64831B | Spraying of plants and apparatus therefor |