Douglas C. Hansen has been granted 13 US patents while listed as an inventor at Storage Technology . The first was granted in 1996 and the most recent in July 2021. Douglas C. Hansen ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Douglas C. Hansen in Dayton, OH, US.
Patents per Year Patents granted per year, 1996 to 2021 Bar chart with a peak of 2 patents in 2002. peak 2 1996: 1 patents 1996 1999: 1 patents 1999 2002: 2 patents 2002 2003: 1 patents 2003 2004: 2 patents 2004 2013: 1 patents 2013 2016: 1 patents 2016 2017: 1 patents 2017 2018: 2 patents 2018 2021: 1 patents 2021 Issued Patents All Time
Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11055671 System for and method of managing corrosion David Rose , Matthew J. Rothgeb , Douglas S. Dudis , Nicholas S. Wilson 2021-07-06
10132707 Devices and methods for feedthrough leakage current detection and decontamination in ionization gauges Stephen C. Blouch , Paul C. Arnold , Gerardo A. Brucker , Wesley J. Graba 2018-11-20
$33,696,000
9927317 Ionization pressure gauge with bias voltage and emission current control and measurement — 2018-03-27
$44,601,000
9806685 Trans-impedance amplifier with increased dynamic range — 2017-10-31
$36,268,000
9371451 Deposition of nanocrystalline calcite on surfaces by a tissue and cellular biomineralization Andrew S. Mount , Neeraj V. Gohad , Karolyn Mueller Hansen , Mary Beth Johnstone 2016-06-21
8541031 Deposition of nanocrystalline calcite on surfaces by a tissue and cellular biomineralization Andrew S. Mount , Neeraj V. Gohad , Karolyn Mueller , Mary Beth Johnstone 2013-09-24
6798841 Partial response maximum likelihood (PRML) detection trellis method adaptable to signal dropouts — 2004-09-28
$6,798,000
6795511 Method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations — 2004-09-21
$19,137,000
6574059 General purpose digital read channel architecture — 2003-06-03
$17,140,000
6476990 General purpose digital read channel architecture — 2002-11-05
$8,270,000
6366422 Helical scan tape drive error recovery using track profile mapping David B. Daniel , Fred C. Eifert , David A. Lawson , Thai Nguyen 2002-04-02
$13,774,000
5969898 Method and system for reading data that is unreadable by a tape drive Frederick A. McLean 1999-10-19
$12,019,000
5566032 Method for utilizing a longitudinal track on a helical scan tape data storage system to provide a fast search capability Brian G. Cleveland , William C. Dodt 1996-10-15
$5,908,000