Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark H. Helmick — 12 Patents

QUQualstar: 7 patents #1 of 10Top 10%
MEMedrad: 1 patents #149 of 240Top 65%
Calabasas, CA: #297 of 4,119 inventorsTop 8%
California: #51,404 of 386,348 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Mark H. Helmick has been granted 12 US patents while listed as an inventor at Qualstar. The first was granted in 1988 and the most recent in December 2014. Mark H. Helmick ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Mark H. Helmick in Calabasas, CA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8907894 Touchless pointing device William J. Gervais 2014-12-09
D692426 Touchless pointing device William J. Gervais 2013-10-29
D649152 Touchless pointing device William J. Gervais 2011-11-22
7687934 System and method for managing energy use in an electric vehicle 2010-03-30
6762905 High density tape library system William J. Lurie 2004-07-13 $1,043,000
6560061 High density tape library system William J. Lurie 2003-05-06 $1,350,000
6381089 Tape cassette storage and accessing system with closely spaced layered cassettes William J. Lurie 2002-04-30 $1,293,000
6354501 Composite authentication mark and system and method for reading the same Chris Outwater 2002-03-12
6274873 Spectrum analyzer for reading authentication marks Chris Outwater 2001-08-14
6271982 Automated precision cassette handling system 2001-08-07 $1,627,000
D392147 Simplified tape cartridge rack William J. Gervais, William J. Lurie 1998-03-17
4782504 Method and apparatus for an improved programmable X-ray film changer Otto Weber, Lief A. Johansson 1988-11-01