Norbert Herwegh

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Schattdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Corner area for tubbing seals
- Patent number 5,660,501
- Issue date Aug 26, 1997
- Datwyler AG Schweizerische Kabel-, Gummi-und Kunstatoffwerke
- Norbert Herwegh
- E21 - EARTH DRILLING MINING
Information Patent Grant
Glazing profile strip for solid glazing or filler elements on the o...
- Patent number 5,155,952
- Issue date Oct 20, 1992
- MERO-Raumstruktur GmbH & Co.
- Norbert Herwegh
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Sealing device for facades and/or roofs
- Patent number 5,074,089
- Issue date Dec 24, 1991
- MERO-Raumstruktur GmbH & Co.
- Wolfgang Kemmer
- E04 - BUILDING
Information Patent Grant
Curtain wall panel with sealing system, sealing system, and respect...
- Patent number 4,999,960
- Issue date Mar 19, 1991
- Datwyler France
- Norbert Herwegh
- E04 - BUILDING
Information Patent Grant
Solar collector element
- Patent number 4,265,225
- Issue date May 5, 1981
- Datwyler AG.Schweiz, Kabel-, Gummi- und Kunststoffwerke
- Ernst Berger
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gasket strip for butt joint compression seal
- Patent number 4,195,850
- Issue date Apr 1, 1980
- Datwyler AG, Schweiz. Kabel-Gummi-u.Kunststoffwerke
- Ernst Berger
- E04 - BUILDING