Johann Gramberger

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Patents Grantslast 30 patents

Information Patent Grant
Process of manufacturing a friction ring provided with a sinter-bon...
- Patent number 5,105,522
- Issue date Apr 21, 1992
- Miba Sintermetall Aktiengesellschaft
- Johann Gramberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for manufacturing a friction ring having a conical or cylind...
- Patent number 4,940,847
- Issue date Jul 10, 1990
- ZWN Zahnradwerk Neuenstein GmbH
- Johann Gramberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for manufacturing a friction ring having a conical or cylind...
- Patent number 4,917,743
- Issue date Apr 17, 1990
- Johann Gramberger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL