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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Petur Thordarson — 10 Patents

FLFlowmatrix: 6 patents #1 of 3Top 35%
Seattle, WA: #2,987 of 21,776 inventorsTop 15%
Washington: #10,505 of 76,902 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Petur Thordarson has been granted 10 US patents while listed as an inventor at Flowmatrix. The first was granted in 1983 and the most recent in December 2004. Petur Thordarson ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Petur Thordarson in Seattle, WA, US.

Patents per Year

Patents granted per year, 1983 to 2004Bar chart with a peak of 4 patents in 2003.peak 41983: 1 patents19832000: 1 patents20002002: 2 patents20022003: 4 patents20032004: 2 patents2004

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6832628 Variable pressure regulated flow controllers Patrick Lowery 2004-12-21
6698183 Hydrogen motor 2004-03-02
6622753 Variable pressure regulated flow controllers Patrick Lowery 2003-09-23
6564825 Mass flow meter systems and methods Patrick Lowery, Robert Laragione 2003-05-20
6564824 Mass flow meter systems and methods Patrick Lowery, Robert Laragione 2003-05-20
6561207 Mass flow meter systems and methods Patrick Lowery, Robert Laragione 2003-05-13
6484491 Hydrogen motor for water craft 2002-11-26
6467505 Variable pressure regulated flow controllers Patrick Lowery 2002-10-22
6026849 High pressure regulated flow controller 2000-02-22
4379434 Liquid level sensor and alarm system 1983-04-12