Inventor
DUNFIELD JOHN CHARLES
US10 patents
⚠️ This page may combine multiple inventors who share the name “DUNFIELD JOHN CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY
9 patentsUS5694268ADec 2, 1997
Spindle motor having overmolded stator
SEAGATE TECHNOLOGY103 citations97
US6335850B1Jan 1, 2002
Microactuator for fine positioning in a disc drive
SEAGATE TECHNOLOGY30 citations92
US5956204ASep 21, 1999
Magnetic disc drive having magnetic particle trap for hydrodynamic bearing
SEAGATE TECHNOLOGY46 citations92
US6029978AFeb 29, 2000
Grounding and conductivity improvement for ferrofluid seals
SEAGATE TECHNOLOGY22 citations91
US5815345ASep 29, 1998
Support flange having electrical contacts to provide electrical continuity upon spindle motor mounting to base
SEAGATE TECHNOLOGY26 citations90
US5949613ASep 7, 1999
Disk drive spindle motor assembly with stator having a resilient covering with a routing means, an attaching means and a connecting means to operatively connect stator to a base
SEAGATE TECHNOLOGY52 citations89
US5774974AJul 7, 1998
Retaining ring for disc drive spindle motor
SEAGATE TECHNOLOGY20 citations89
US5808839ASep 15, 1998
Disc drive cartridge including magnetic bearings
SEAGATE TECHNOLOGY19 citations84
US5907455AMay 25, 1999
Distributed spindle motor integrated with disc
SEAGATE TECHNOLOGY6 citations62