Inventor
PARSONEAULT NORBERT STEVEN
US27 patents
⚠️ This page may combine multiple inventors who share the name “PARSONEAULT NORBERT STEVEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY LLC
19 patentsUS6118620ASep 12, 2000
In-hub spindle motor with separate fluid dynamic bearings
SEAGATE TECHNOLOGY LLC76 citations96
US6900568B2May 31, 2005
Fluid dynamic bearing motor configured with an integrated counterplate to contain bearing fluid
SEAGATE TECHNOLOGY LLC31 citations92
US6583952B1Jun 24, 2003
In-hub spindle motor with separate fluid dynamic bearings
SEAGATE TECHNOLOGY LLC44 citations92
US6296390B1Oct 2, 2001
Single plate hydrodynamic bearing with extended single journal bearing
SEAGATE TECHNOLOGY LLC37 citations91
US6921996B2Jul 26, 2005
Constant pressure magnetically preloaded FDB motor
SEAGATE TECHNOLOGY LLC14 citations83
US6669369B1Dec 30, 2003
Fluid dynamic bearing secondary capillary seal reservoir
SEAGATE TECHNOLOGY LLC15 citations83
US7234868B2Jun 26, 2007
Radial pumping oil seal for fluid dynamic bearing motor
SEAGATE TECHNOLOGY LLC17 citations82
US6731456B2May 4, 2004
Fluid dynamic bearing thermal compensation
SEAGATE TECHNOLOGY LLC13 citations81
US7241051B2Jul 10, 2007
Radial capillary seal for fluid dynamic bearing motors
SEAGATE TECHNOLOGY LLC9 citations73
US6975484B2Dec 13, 2005
Selectively stiff FDB bearing for better servo write
SEAGATE TECHNOLOGY LLC6 citations73
US8913344B1Dec 16, 2014
Dynamically adjustable fluid dynamic bearing stiffness
SEAGATE TECHNOLOGY LLC5 citations71
US7056026B2Jun 6, 2006
Capillary seal with fill pool
SEAGATE TECHNOLOGY LLC9 citations71
US6771461B2Aug 3, 2004
Spindle hub having a back iron mountingly coupled to only a hub separating member
SEAGATE TECHNOLOGY LLC4 citations63
US9016947B2Apr 28, 2015
Grooved limiter
SEAGATE TECHNOLOGY LLC3 citations62
US7679243B2Mar 16, 2010
Motor assembly with multifunctional components
SEAGATE TECHNOLOGY LLC3 citations62
US6857189B2Feb 22, 2005
Method and apparatus for assembling a hydrodynamic bearing
SEAGATE TECHNOLOGY LLC4 citations58
US9850941B2Dec 26, 2017
Adjustable gap for a fluid dynamic bearing
SEAGATE TECHNOLOGY LLC0 citations51
US7893585B2Feb 22, 2011
Motor assembly with multifunctional components
SEAGATE TECHNOLOGY LLC0 citations51
US7959357B2Jun 14, 2011
Fluid dynamic bearing spindle motor
SEAGATE TECHNOLOGY LLC0 citations34
SEAGATE TECHNOLOGY
5 patentsUS5678929AOct 21, 1997
Grooved hydrodynamic bearing arrangement including a porous lubricant reservoir
SEAGATE TECHNOLOGY58 citations94
US5956204ASep 21, 1999
Magnetic disc drive having magnetic particle trap for hydrodynamic bearing
SEAGATE TECHNOLOGY46 citations92
US5793129AAug 11, 1998
Low distortion interference fits for spindle motor assembly
SEAGATE TECHNOLOGY40 citations92
US7390125B2Jun 24, 2008
Single piece hub with integral upper and lower female cones
SEAGATE TECHNOLOGY6 citations73
US5666716ASep 16, 1997
Low distortion interference fits for spindle motor assembly
SEAGATE TECHNOLOGY7 citations73