Hans-Rudolf Siegwart

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Kilchberg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Wedge push-in apparatus for a wire tensioning press
- Patent number 4,065,098
- Issue date Dec 27, 1977
- Bureau BBR Ltd.
- Hans-Rudolf Siegwart
- E04 - BUILDING
Information Patent Grant
Upset head at a high-strength tension wire and method for the produ...
- Patent number 4,064,319
- Issue date Dec 20, 1977
- Bureau BBR Ltd.
- Hans Rudolf Siegwart
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Anchorage body for anchoring tendons with wedges
- Patent number 3,956,797
- Issue date May 18, 1976
- Brandestini; Antonio
- Antonio Brandestini
- E04 - BUILDING