Douglas Howard Piltingsrud has been granted 16 US patents while listed as an inventor at IBM . The first was granted in 1986 and the most recent in August 2008. Douglas Howard Piltingsrud ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Douglas Howard Piltingsrud in Rochester, MN, US.
Patents per Year Patents granted per year, 1986 to 2008 Bar chart with a peak of 2 patents in 1986. peak 2 1986: 2 patents 1986 1997: 1 patents 1998: 1 patents 1998 1999: 1 patents 2000: 1 patents 2000 2001: 1 patents 2002: 1 patents 2002 2003: 2 patents 2004: 1 patents 2004 2005: 1 patents 2006: 1 patents 2006 2007: 1 patents 2008: 2 patents 2008 Issued Patents All Time
Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7416680 Self-cleaning colloidal slurry composition and process for finishing a surface of a substrate Frederick Benning , James A. Hagan , Steven Maynard , David Paurus , Jon Podolske 2008-08-26
$10,658,000
7390423 Self-cleaning colloidal slurry composition and process for finishing a surface of a substrate Frederick Benning , James A. Hagan , Steven Maynard , David Paurus , Jon Podolske 2008-06-24
$7,053,000
7201639 Powder for disks Patrick M. McCaffrey 2007-04-10
$231,000
7064927 Disk, method for making it free of asperities utilizing a step of exposing a surface of the disk to a gas cluster ion beam and disk drive unit for using the disk Karl R. Erickson , Douglas Allan Kuchta 2006-06-20
$122,000
6911261 pH adjustment of a melt for use in microetching glass substrates Terry Lee Jensen , John William Marier , Rick Allan Sprague 2005-06-28
$7,000,000
6767584 Disk substrate with monosized microbumps James A. Hagan , Ullal V. Nayak , Janice Blue Ostrom , Douglas Kuchta 2004-07-27
$9,809,000
6634928 Fluid jet cutting method and apparatus Karl R. Erickson , Dennis L. Fox , Douglas Kuchta 2003-10-21
$7,269,000
6582279 Apparatus and method for reclaiming a disk substrate for use in a data storage device Dennis L. Fox , James A. Hagan , John P. Hagen , Paul Henry Hanson , Theresa Marie Lewis +3 more 2003-06-24
$113,000
6402851 Lanthanide oxide dissolution from glass surface — 2002-06-11
$11,523,000
6183828 Plating on nonmetallic disks Steven F. Starcke , John David Amundson , James A. Hagan 2001-02-06
$23,051,000
6068905 Composite disk substrates Steven F. Starcke 2000-05-30
$26,347,000
5871810 Plating on nonmetallic disks Steven F. Starcke , John David Amundson , James A. Hagan 1999-02-16
$10,802,000
5733622 Edge strengthened substrate of a data storage disk and method for fabricating same Steven F. Starcke , John David Amundson 1998-03-31
$13,730,000
5643649 Method for improving the flatness of glass disk substrates James A. Hagan , Steven F. Starcke , Bradley J. Offuh , Dennis L. Fox 1997-07-01
$13,721,000
4596739 Rigid magnetic recording media John C. S. Shen 1986-06-24
$42,518,000
4567096 Hydrated alumina binder system John C. S. Shen 1986-01-28
