WB

Walter W. Butler

WT Western Digital Technologies: 18 patents #238 of 3,180Top 8%
📍 Felton, CA: #15 of 158 inventorsTop 10%
🗺 California: #32,725 of 386,348 inventorsTop 9%
Overall (All Time): #258,317 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8561285 Methods and devices for picking and placing workpieces into small form factor hard disk drives Jambunathan Vangal-Ramamurthy 2013-10-22
7549204 Methods for picking and placing workpieces into small form factor hard disk drives Jambunathan Vangal-Ramamurthy 2009-06-23
7062837 Method for manufacturing a disk drive with a hinged head disk assembly enclosure 2006-06-20
7057852 Disk drive including surface coated disk clamp screws with reduced coefficient of friction for mitigating disk clamp movement Yao-Hsin Huang, Robert E. Lloyd 2006-06-06
6990727 Method of making disk drives using a frame array with a plurality of disk drive base portions Keith R. Berding, Joseph M. Viglione 2006-01-31
6922308 Disk drive comprising a cover shaped to improve radial and axial shrouding 2005-07-26
6900961 Disk drive having a head disk assembly enclosure including insert molded components 2005-05-31
6831810 Disk drive enabling simultaneous assembly of HSA and disk pack Robert E. Lloyd 2004-12-14
6693767 Disk drive having a head disk assembly enclosure including an integrated hinge 2004-02-17
6687093 Head stack assembly shipping comb with temporary locating feature for internal head disk assembly build process and disk drive manufactured using the same Chunjer C. Cheng, R. Mark Watson, Charles E. Ketchu, Jules G. Moritz, Robert E. Lloyd +1 more 2004-02-03
6529345 Disk drive employing a multi-layer noise-dampening HDA cover May C. Kung 2003-03-04
6466398 Disk drive comprising a cover having slots near a shaft aperture for reducing resonance Gregory G. Foisy, John R. Gustafson 2002-10-15
6288866 Disk drive including a vibration damping system having a compressible foam and mass damper fixed adjacent to the outer surface of a printed circuit board for reducing noise and vibration Chunjer C. Cheng 2001-09-11
5953183 Head stack assembly for a magnetic disk drive with a pass-through flex circuit cable Payman Hassibi, Mark Hathaway, Tami Ogle, Sudha Narayanan 1999-09-14
5909338 Magnetic disk drive having a Z-shaped grounding portion in the flex circuit cable Payman Hassibi, Tami Ogle 1999-06-01
5905609 Magnetic disk drive having a VCM plate which includes an elongated protrusion for securing a flex clamp to the base Payman Hassibi, Tami Ogle 1999-05-18
5822155 Magnetic latch assembly for a disk drive including a ferromagnetic holder surrounding a permanent magnetic Kamran Oveyssi, Andrew J. Hudson 1998-10-13
5727882 Pivot bearing assembly providing damping for unit-to-unit consistency John Robert Edwards 1998-03-17