Inventor · disambiguated record
Donald J. Macleod
Also filed as: MACLEOD DONALD · MACLEOD DONALD J · MACLEOD DONALD JAMES
30 granted patents·3 pending applications·655 citations·filing 1982–2004
98Inventor score
Top patents by PatentIndex Score
33 records- 0191US5529404AAdhesiveless assembly with laser weldingSEAGATE TECHNOLOGY·Filed 1994·Granted Jun 25, 1996·51 cites·14 claims
- 0290US5352947ASpindle motor assembly for disc drivesSEAGATE TECHNOLOGY·Filed 1991·Granted Oct 4, 1994·42 cites·33 claims
- 0389US6402383B1Design methods for highly efficient high speed fluid dynamic bearing motorsSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jun 11, 2002·26 cites·2 claims
- 0488US5729404ADisc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to groundSEAGATE TECHNOLOGY·Filed 1996·Granted Mar 17, 1998·46 cites·41 claims
- 0586US7119984B2Method and apparatus for a laser-welded disk drive housingSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Oct 10, 2006·37 cites·20 claims
- 0685US6267869B1Electrode design for electrochemical machining of groovesSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Jul 31, 2001·34 cites·13 claims
- 0783US6282053B1Adhesiveless disc drive spindle assemblySEAGATE TECHNOLOGY·Filed 1994·Granted Aug 28, 2001·54 cites·34 claims
- 0882US5844748ADisc drive spindle motor with controlled resistance pathway from disc to groundSEAGATE TECHNOLOGY·Filed 1996·Granted Dec 1, 1998·32 cites·25 claims
- 0981US5485331AHigh resistivity bearing balls for spindle motor isolationSEAGATE TECHNOLOGY·Filed 1993·Granted Jan 16, 1996·30 cites·27 claims
- 1080US6638414B2Electrode design for electrochemical machining of groovesSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Oct 28, 2003·10 cites·12 claims
- 1180US4499407ABrushless DC motor assembly with improved stator poleAPPLIED MOTION PRODUCTS INC·Filed 1983·Granted Feb 12, 1985·33 cites·6 claims
- 1278US6664696B1Tooth saturation for reduced electromagnetic harmonicsSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Dec 16, 2003·24 cites·16 claims
- 1375US6781266B2Distortion free laser welded fluid bearing designSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Aug 24, 2004·14 cites·20 claims
- 1472US6204996B1Low profile spindle motorSEAGATE TECHNOLOGY LLC·Filed 1995·Granted Mar 20, 2001·25 cites·5 claims
- 1572US4841393ASpindle motor for a disc driveSEAGATE TECHNOLOGY·Filed 1987·Granted Jun 20, 1989·22 cites·11 claims
- 1671US6295722B1Apparatus for assembling disc drive motors utilizing multiposition preload/cure fixturesSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 2, 2001·15 cites·8 claims
- 1771US6231676B1Cleaning process for disc drive componentsSEAGATE TECHNOLOGY LLC·Filed 1999·Granted May 15, 2001·25 cites·13 claims
- 1866US5457589AHub-disc interface reducing hub reloaded disc surface curvatureSEAGATE TECHNOLOGY·Filed 1994·Granted Oct 10, 1995·18 cites·2 claims
- 1964US6976682B1Apparatus and method for forming a rotatable ferrofluidic seal between a shaft and a hubSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 20, 2005·11 cites·8 claims
- 2062US5617272AAdhesiveless seal assembly incorporating magnetic seal for use with disc driveSEAGATE TECHNOLOGY·Filed 1995·Granted Apr 1, 1997·16 cites·8 claims
- 2160US6316853B1Spindle motor assembly for disc drivesSEAGATE TECHNOLOGY LLC·Filed 1996·Granted Nov 13, 2001·11 cites·19 claims
- 2259US6975484B2Selectively stiff FDB bearing for better servo writeSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Dec 13, 2005·6 cites·17 claims
- 2357US5051855ARotary actuatorSEAGATE TECHNOLOGY·Filed 1990·Granted Sep 24, 1991·12 cites·8 claims
- 2456US6970327B2Data storage device with damped load arm formed from Mn-Cu alloy compositionSEAGATE TECHNOLOGY LLC·Filed 2003·Granted Nov 29, 2005·2 cites·14 claims
- 2554US4667137ASingle excitation pulse brushless DC motorAPPLIED MOTION PRODUCTS INC·Filed 1985·Granted May 19, 1987·17 cites·9 claims
- 2648US4488076ATachometer assembly for magnetic motorsAPPLIED MOTION PRODUCTS INC·Filed 1982·Granted Dec 11, 1984·11 cites·15 claims
- 2744US6819023B1Magnetizing apparatusSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Nov 16, 2004·3 cites·4 claims
- 2844US2002093256A1Spindle motor assembly for disc drivesSEAGATE TECHNOLOGY·Filed 2001·Application pending·0 cites
- 2943US2005013041A1Apparatus & method for forming a rotatable ferrofluidic seal between a shaft and a hubSEAGATE TECHNOLOGY LLC·Filed 2004·Application pending·0 cites
- 3042US5925946ADamping insert and isolation pad to reduce acoustic levels and vibration in motor and disc driveSEAGATE TECHNOLOGY·Filed 1998·Granted Jul 20, 1999·13 cites·4 claims
- 3141US6373655B1Low cost hydrodynamic spindleSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Apr 16, 2002·10 cites·16 claims
- 3239US2002026726A1Cleaning process, apparatus and system for disc drive componentsSEAGATE TECHNOLOGY LLC·Filed 2001·Application pending·0 cites
- 3331US6061894AMethod and apparatus for assembling disc drive motors utilizing multiposition preload/cure fixturesSEAGATE TECHNOLOGY·Filed 1998·Granted May 16, 2000·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →