Ra Shipping Ltd. Oy

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for coating steel objects with an alloy of zinc and alumi...
- Patent number 4,526,127
- Issue date Jul 2, 1985
- Ra-Shipping Ltd. Oy
- Pertti J. Sippola
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing dual-phase and zinc-aluminum coated steels fro...
- Patent number 4,361,448
- Issue date Nov 30, 1982
- Ra-Shipping Ltd. Oy
- Pertti J. Sippola
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for heating a liquid suspension by another liquid suspension
- Patent number 4,200,600
- Issue date Apr 29, 1980
- Ra Shipping Ltd. Oy
- Bertel Myreen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotary heat exchanger
- Patent number 4,184,540
- Issue date Jan 22, 1980
- Ra Shipping Ltd. Oy
- Bertel Myreen
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process for wet carbonizing of peat
- Patent number 4,153,420
- Issue date May 8, 1979
- Ra Shipping Ltd. Oy
- Bertel Myreen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...