| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | Brazil | 4 | |
| #3 | Germany | 4 | |
| #4 | Denmark | 4 | |
| #5 | Finland | 4 | |
| #6 | France | 4 | |
| #7 | United Kingdom | 4 | |
| #8 | Italy | 4 | |
| #9 | Netherlands | 4 | |
| #10 | Norway | 4 | |
| #11 | Portugal | 4 | |
| #12 | Canada | 3 | |
| #13 | Japan | 3 | |
| #14 | Sweden | 3 | |
| #15 | United States | 3 | |
| #16 | Argentina | 1 | |
| #17 | Australia | 1 | |
| #18 | Czechoslovakia | 1 | |
| #19 | German Democratic Republic | 1 | |
| #20 | Egypt | 1 | |
| #21 | Hungary | 1 | |
| #22 | India | 1 | |
| #23 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #24 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry | |
| #3 | Surface technology and coating | |
| #4 | Textiles and paper | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Certain plastics | |
| #3 | Fillers | |
| #4 | Layered products | |
| #5 | Adhesives | |
| #6 | Producing goods from plastic | |
| #7 | Unspecified technologies | |
| #8 | Making wound articles | |
| #9 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berg Rolf | 25 |
| #2 | Berg R | 13 |
| #3 | Rorufu Berui | 3 |
| #4 | Borg R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI803498L | Anordination for attillation and exhaust finishes | |
| CA1109779A | Method of manufacturing cylindrical tubes and apparatus for carrying out the method | |
| US4226652A | Method and apparatus for joining a sealing element to a cylindrical container sleeve | |
| ZA7802891B | A method and apparatus for producing a laminated structure |