Inventor
MACLEOD DONALD J
US22 patents
⚠️ This page may combine multiple inventors who share the name “MACLEOD DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEAGATE TECHNOLOGY
11 patentsUS5529404AJun 25, 1996
Adhesiveless assembly with laser welding
SEAGATE TECHNOLOGY51 citations96
US5729404AMar 17, 1998
Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground
SEAGATE TECHNOLOGY46 citations95
US5844748ADec 1, 1998
Disc drive spindle motor with controlled resistance pathway from disc to ground
SEAGATE TECHNOLOGY32 citations92
US5485331AJan 16, 1996
High resistivity bearing balls for spindle motor isolation
SEAGATE TECHNOLOGY30 citations92
US5352947AOct 4, 1994
Spindle motor assembly for disc drives
SEAGATE TECHNOLOGY42 citations92
US4841393AJun 20, 1989
Spindle motor for a disc drive
SEAGATE TECHNOLOGY22 citations76
US5617272AApr 1, 1997
Adhesiveless seal assembly incorporating magnetic seal for use with disc drive
SEAGATE TECHNOLOGY16 citations73
US5051855ASep 24, 1991
Rotary actuator
SEAGATE TECHNOLOGY12 citations71
US5457589AOct 10, 1995
Hub-disc interface reducing hub reloaded disc surface curvature
SEAGATE TECHNOLOGY18 citations69
US5925946AJul 20, 1999
Damping insert and isolation pad to reduce acoustic levels and vibration in motor and disc drive
SEAGATE TECHNOLOGY13 citations67
US6061894AMay 16, 2000
Method and apparatus for assembling disc drive motors utilizing multiposition preload/cure fixtures
SEAGATE TECHNOLOGY5 citations59
SEAGATE TECHNOLOGY LLC
8 patentsUS6402383B1Jun 11, 2002
Design methods for highly efficient high speed fluid dynamic bearing motors
SEAGATE TECHNOLOGY LLC26 citations92
US6267869B1Jul 31, 2001
Electrode design for electrochemical machining of grooves
SEAGATE TECHNOLOGY LLC34 citations92
US6664696B1Dec 16, 2003
Tooth saturation for reduced electromagnetic harmonics
SEAGATE TECHNOLOGY LLC24 citations90
US6781266B2Aug 24, 2004
Distortion free laser welded fluid bearing design
SEAGATE TECHNOLOGY LLC14 citations83
US6295722B1Oct 2, 2001
Apparatus for assembling disc drive motors utilizing multiposition preload/cure fixtures
SEAGATE TECHNOLOGY LLC15 citations80
US6638414B2Oct 28, 2003
Electrode design for electrochemical machining of grooves
SEAGATE TECHNOLOGY LLC10 citations73
US6373655B1Apr 16, 2002
Low cost hydrodynamic spindle
SEAGATE TECHNOLOGY LLC10 citations73
US6819023B1Nov 16, 2004
Magnetizing apparatus
SEAGATE TECHNOLOGY LLC3 citations55
APPLIED MOTION PRODUCTS INC
3 patentsUS4499407AFeb 12, 1985
Brushless DC motor assembly with improved stator pole
APPLIED MOTION PRODUCTS INC33 citations92
US4667137AMay 19, 1987
Single excitation pulse brushless DC motor
APPLIED MOTION PRODUCTS INC17 citations73
US4488076ADec 11, 1984
Tachometer assembly for magnetic motors
APPLIED MOTION PRODUCTS INC11 citations73