Hadwaco Ltd. Oy

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Methods for the evaporation of an aqueous solution containing ammonia
- Patent number 6,638,398
- Issue date Oct 28, 2003
- Hadwaco Ltd Oy
- Leif Ramm-Schmidt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Heat exchange for a film heat exchanger and a method for manufactur...
- Patent number 6,547,000
- Issue date Apr 15, 2003
- Hadwaco Ltd Oy
- Reijo Rantala
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchange element and a heat exchanger made up of the same
- Patent number 6,241,010
- Issue date Jun 5, 2001
- Hadwaco Ltd Oy
- Leif Ramm-Schmidt
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Liquid distributor for evaporator
- Patent number 6,068,730
- Issue date May 30, 2000
- Hadwaco Ltd Oy
- Leif Ramm-Schmidt
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger and a method for producing the same
- Patent number 5,927,383
- Issue date Jul 27, 1999
- Hadwaco Ltd. Oy
- Leif Ramm-Schmidt
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Liquid distributor for an evaporator
- Patent number 5,904,807
- Issue date May 18, 1999
- Hadwaco Ltd. Oy
- Leif Ramm-Schmidt
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat exchanger
- Patent number 5,775,410
- Issue date Jul 7, 1998
- Hadwaco Ltd. Oy
- Leif Ramm-Schmidt
- F28 - HEAT EXCHANGE IN GENERAL

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Trademarklast 30 trademarks

Information Trademark
78080393 - HADWACO
- Serial number 78080393
- Registration number 2804691
- Filing date Aug 21, 2001
- Hadwaco Ltd. Oy
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes