Heinrich Siemensmeyer

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Center-free large roller bearing
- Patent number 5,074,677
- Issue date Dec 24, 1991
- Hoechst AG
- Dietrich Andree
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Empty-center rotating-roller joint
- Patent number 4,989,999
- Issue date Feb 5, 1991
- Hoesch Aktiengesellschaft
- Heinrich Siemensmeyer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...