Volker Schwarz

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Hirschberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Radial shaft sealing ring
- Patent number 4,911,454
- Issue date Mar 27, 1990
- Firma Carl Freudenberg
- Hermann Rapp
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe insulating jacket
- Patent number 4,271,218
- Issue date Jun 2, 1981
- Firma Carl Freudenberg
- Klaus Heckel
- B32 - LAYERED PRODUCTS