Hoval Interliz AG

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Vaduz-Neugut, LI

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger tube for heating boilers
- Patent number 6,070,657
- Issue date Jun 6, 2000
- Hoval Interliz AG
- Wolfgang Kunkel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Weatherproofing doors for the air intake opening of ventilating sys...
- Patent number 4,989,502
- Issue date Feb 5, 1991
- Hoval Interliz AG
- Gustav Ospelt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Furnace for burning oil or gas
- Patent number 4,624,216
- Issue date Nov 25, 1986
- Hoval Interliz AG
- Gustav Ospelt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchanger
- Patent number 4,378,837
- Issue date Apr 5, 1983
- Hoval Interliz AG
- Gustay Ospelt
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Two-chamber boiler for burner firing and solid fuel firing
- Patent number 4,296,712
- Issue date Oct 27, 1981
- Hoval Interliz AG
- Alfred Vogt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Deposit filtering apparatus for filtering turbid liquids
- Patent number 4,277,337
- Issue date Jul 7, 1981
- Hoval Interliz AG
- Ewald Zdansky
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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