Siegfried Jackwerth

Follow

Person

Friedrichsdorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Free-wheel cage ring with centrifugal-force lifting
- Patent number 8,813,931
- Issue date Aug 26, 2014
- Ringspann GmbH
- Siegfried Jackwerth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Frictionally engaged free-wheel clutch
- Patent number 7,870,940
- Issue date Jan 18, 2011
- Ringspann GmbH
- Siegfried Jackwerth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Freewheel-retainer ring with centrifugal force takeoff
- Patent number 5,645,149
- Issue date Jul 8, 1997
- Ringspann GmbH
- Ruprecht Maurer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FREE-WHEEL CAGE RING WITH CENTRIFUGAL-FORCE LIFTING
- Publication number 20100326783
- Publication date Dec 30, 2010
- Ringspann GmbH
- Siegfried Jackwerth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FRICTIONALLY ENGAGED FREE-WHEEL CLUTCH
- Publication number 20070284208
- Publication date Dec 13, 2007
- Ringspann GmbH
- Siegfried Jackwerth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Free wheel retaining ring
- Publication number 20010019003
- Publication date Sep 6, 2001
- Ringspann GmbH
- Siegfried Jackwerth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...