Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DE

David J. Edlund — 122 Patents

IDIdatech: 74 patents #1 of 33Top 4%
E1Element 1: 22 patents #1 of 7Top 15%
BRBend Reserch: 13 patents #11 of 109Top 15%
PTProtonex Technology: 4 patents #14 of 48Top 30%
DSDcns Sa: 3 patents #1 of 17Top 6%
DCDcns: 1 patents #22 of 99Top 25%
UOUniversity Of Oregon: 1 patents #47 of 170Top 30%
Bend, OR: #1 of 663 inventorsTop 1%
Oregon: #150 of 28,073 inventorsTop 1%
Overall (All Time): #9,627 of 4,157,543Top 1%
122 Patents All Time
David J. Edlund has been granted 122 US patents while listed as an inventor at Idatech. The first was granted in 1991 and the most recent in January 2025. David J. Edlund ranks #9,627 of 4,157,543 US inventors in our database (top 0.23%). Patent records list David J. Edlund in Bend, OR, US.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 9 patents in 2002.peak 91995: 1 patents19951996: 2 patents1997: 1 patents1999: 2 patents19992000: 3 patents2001: 2 patents2002: 9 patents20022003: 7 patents2004: 9 patents2005: 6 patents20052006: 7 patents2007: 6 patents2008: 5 patents20082009: 5 patents2010: 8 patents2011: 7 patents20112012: 2 patents2013: 4 patents2014: 3 patents20142015: 3 patents2016: 1 patents2017: 5 patents20172018: 1 patents2019: 3 patents2020: 4 patents20202021: 2 patents2022: 1 patents2023: 3 patents20232024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 122 patents

Patent #TitleCo-InventorsDate
12187612 Hydrogen generation assemblies 2025-01-07
12138586 Hydrogen purification devices Robert Todd Studebaker 2024-11-12
11738305 Hydrogen purification devices Robert Todd Studebaker 2023-08-29
11701624 Hydrogen generation assemblies and hydrogen purification devices 2023-07-18
11590449 Hydrogen purification devices Koji Hoshi, Robert Todd Studebaker, Robert Jacob Studebaker 2023-02-28
11364473 Hydrogen generation assemblies and hydrogen purification devices 2022-06-21
11141692 Hydrogen generation assemblies and hydrogen purification devices 2021-10-12
11103828 Hydrogen purification devices Koji Hoshi, Robert Todd Studebaker, Robert Jacob Studebaker 2021-08-31
10717040 Hydrogen purification devices Koji Hoshi, Robert Todd Studebaker, Robert Jacob Studebaker 2020-07-21
10710022 Hydrogen generation assemblies Robert Schluter 2020-07-14
10702827 Hydrogen generation assemblies and hydrogen purification devices 2020-07-07
10689590 Refining assemblies and refining methods for rich natural gas Jason S. Steill 2020-06-23
10391458 Hydrogen generation assemblies and hydrogen purification devices 2019-08-27
10273423 Refining assemblies and refining methods for rich natural gas Jason S. Steill 2019-04-30
10166506 Hydrogen generation assemblies and hydrogen purification devices 2019-01-01
9914641 Hydrogen generation assemblies Robert Schluter 2018-03-13
9828561 Refining assemblies and refining methods for rich natural gas 2017-11-28
9777237 Refining assemblies and refining methods for rich natural gas 2017-10-03
9656215 Hydrogen generation assemblies and hydrogen purification devices 2017-05-23
9616389 Hydrogen generation assemblies and hydrogen purification devices 2017-04-11
9605224 Refining assemblies and refining methods for rich natural gas 2017-03-28
9515334 Utilization-based fuel cell monitoring and control Arne LaVen, Mesa Scharf 2016-12-06
9187324 Hydrogen generation assemblies and hydrogen purification devices 2015-11-17
9011580 Hydrogen purifier 2015-04-21
8961627 Hydrogen generation assemblies and hydrogen purification devices 2015-02-24