| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Finland | 2 | |
| #3 | Sweden | 2 | |
| #4 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Chemical engineering | |
| #6 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Coating metallic material | |
| #2 | Metal tempering | |
| #3 | Unspecified technologies | |
| #4 | Heat-exchanger without contact | |
| #5 | Separation | |
| #6 | Working-up peat |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sippola Pertti Juhani | 5 |
| #2 | Myreen Bertel | 4 |
| #3 | Sippola Pertti J | 3 |
| #4 | Sippola Pertti Yukhani | 1 |
| #5 | Sippola P J | 1 |
| #6 | Myurin Bertel | 1 |
| #7 | Myreen B | 1 |
| #8 | Sjoestroem Rainer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI991408A0 | Support frame for heat exchangers | |
| US4526127A | Apparatus for coating steel objects with an alloy of zinc and aluminium | |
| DE3231981A1 | Process for producing coated, high-strength, low-alloy steel | |
| US4361448A | Method for producing dual-phase and zinc-aluminum coated steels from plain low carbon steels | |
| US4153420A | Process for wet carbonizing of peat | |
| SU799680A3 | Rotating heat-exchanger | |
| US4200600A | Apparatus for heating a liquid suspension by another liquid suspension |