Travis E. Ell — 13 Patents at Seagate Technology

Travis E. Ell has been granted 13 US patents while listed as an inventor at Seagate Technology. The first was granted in 1987 and the most recent in October 2008. Travis E. Ell ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Travis E. Ell in Rochester, MN, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7440214	Disk drive and method having cost-effective storage of the disk drive's internal program code	Hanan Kupferman, Hoa V. Le, Jonathan Nguyen, Saied Tamaddon-Dallal, Virat Thantrakul +1 more	2008-10-21	$6,797,000
6958881	Disk drive control system having a servo processing accelerator circuit	Raffi Codilian	2005-10-25	$5,147,000
6674605	PQ enhanced dual stage servo controller	—	2004-01-06	$9,492,000
6671121	Minimizing milli-actuator reactive impulse and excessive power current	Robert T. Bradbury	2003-12-30	$12,211,000
6604121	Digital division device and method using a reduced-sized lookup table	John C. Morris	2003-08-05	$11,339,000
6590734	Observer based dual stage servo controller with gain boost to accomodate rotational vibration	—	2003-07-08	$9,378,000
6563665	PQ enhanced observer based dual stage servo controller	—	2003-05-13	$6,350,000
6542326	Microactuator-induced reactive forces for fine positioning a sensor	John C. Morris, Roger A. Resh	2003-04-01	$6,510,000
6493177	Microactuator assisted seek and hysteresis correction method and apparatus for a disk drive	Arnold G. Slezak	2002-12-10
6490118	Adaptive h-infinity hardware controller for disc drive actuator control	Virat Thantrakul	2002-12-03
6490121	Accelerated servo control calculations method and apparatus for a disc drive	David Christopher Pruett	2002-12-03
6469863	Active magnetic bearing system for improved servo control	—	2002-10-22
4691152	Data disk drive velocity estimator	Jeff Stephenson	1987-09-01	$39,226,000

Travis E. Ell — 13 Patents

Issued Patents All Time

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