| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 7 | |
| #2 | Germany | 4 | |
| #3 | Switzerland | 3 | |
| #4 | Norway | 3 | |
| #5 | Austria | 2 | |
| #6 | Denmark | 2 | |
| #7 | Finland | 2 | |
| #8 | United States | 2 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Italy | 1 | |
| #12 | Japan | 1 | |
| #13 | Luxembourg | 1 | |
| #14 | Netherlands | 1 | |
| #15 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Agriculture | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Animal care | |
| #3 | Spraying devices | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andersson Rune Sigvard | 20 |
| #2 | Andersson R S | 6 |
| #3 | Sigvard Andersson Rune | 2 |
| #4 | Rune Sigvard Andersson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0188515A1 | Feed dispensing system | |
| SE7904920L | Valve device | |
| US3995596A | Mouthpiece of elastic material for a drinkwater valve for cattle | |
| DE2457913A1 | Mouthpiece for animal drinking-water valve - is made of elastic material and has water-duct opening into animal's mouth from inside compartment | |
| DK142379B | Pipe coupling. | |
| GB1299297A | Pipe and valve |