Helmut Mehl

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Weilburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing device
- Patent number 5,826,887
- Issue date Oct 27, 1998
- Forsheda AB
- Wieland Neumann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal between two elements, especially between concrete pipes
- Patent number 5,599,028
- Issue date Feb 4, 1997
- Forsheda AB
- Wieland Neumann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing device with c-shaped lips and central projection
- Patent number 5,507,504
- Issue date Apr 16, 1996
- Forsheda AB
- Wieland Neumann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...