John W. Elsing — 22 Patents at Seagate Technology

John W. Elsing has been granted 22 US patents while listed as an inventor at Seagate Technology. The first was granted in 1983 and the most recent in December 2008. John W. Elsing ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list John W. Elsing in Minneapolis, MN, US.

Patents per Year

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Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7463446	Two-plane balance for spindle motors	—	2008-12-09	$15,000,000
7327531	Two-plane balance for spindle motors	—	2008-02-05	$21,901,000
6741420	Hydrodynamic spindle motor with an internally disposed heating element	David Jennings	2004-05-25	$9,038,000
6608733	Two-plane balance for spindle motors	—	2003-08-19	$16,423,000
6561516	Low power high speed disc drive spindle seal	Ram V. Pazhayannur, David D. Koester	2003-05-13	$6,350,000
6525440	Thermal compensation spindle for ceramic ball bearings	David Jennings, Martin F. Byl, Jeffery A. LeBlanc, Robert M. Pelstring	2003-02-25	$6,909,000
6304411	Spring-contact spindle connector	Michael D. Schroeder, Charles H. Smith	2001-10-16
6293705	Annular gimbal assembly suitable for disc drive spindle bearings and method of making same	David Jennings	2001-09-25
6134976	Method and apparatus for testing a spindle in a disc drive	—	2000-10-24	$57,505,000
5859745	Split ring mounting for disk drive spindle and actuator shafts	Kent J. Forbord, Blaine Peterson	1999-01-12	$24,754,000
5856624	Method and apparatus for testing a spindle in a disc drive	—	1999-01-05	$31,277,000
5847476	Audible noise reduction in a disc drive	William C. Bright	1998-12-08	$57,931,000
5376850	Audible noise reduction in a disc drive	William C. Bright	1994-12-27	$17,703,000
5305164	Disk drive hub assembly with air flow guide passages	—	1994-04-19	$4,326,000
5295027	Disk drive with socket and plug interconnection to spindle motor	Leon J. Valley	1994-03-15	$4,877,000
5295028	Spindle assembly with labyrinth seals and hub/back iron spacers	—	1994-03-15	$4,877,000
5295029	Disk drive including unitary deck for aligning and supporting axially retractable spindle assembly	William C. Bright, William J. Kostecka	1994-03-15	$4,877,000
5212607	Disk drive including unitary deck for aligning and supporting axially retractable spindle assembly	William J. Kostecka, William C. Bright	1993-05-18	$6,858,000
5140479	Static eliminator for disc drive spindle	William J. Kostecka	1992-08-18	$5,869,000
4521819	Cartridge load mechanism	Gene F. Gorham, Steven Knopp	1985-06-04
4405136	Pneumatic cartridge seal for computer disc drive cartridge	Steven Knopp	1983-09-20
4391543	Quick disconnect pack	—	1983-07-05

John W. Elsing — 22 Patents

Patents per Year

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