Daniel C. Sweeney has been granted 12 US patents while listed as an inventor at Space Charge . The first was granted in 2012 and the most recent in November 2025. Daniel C. Sweeney ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Daniel C. Sweeney in San Diego, CA, US.
Patents per Year Patents granted per year, 2012 to 2024 Bar chart with a peak of 3 patents in 2020. peak 3 2012: 1 patents 2012 2017: 1 patents 2017 2019: 2 patents 2019 2020: 3 patents 2020 2022: 2 patents 2022 2023: 1 patents 2023 2024: 1 patents 2024
Issued Patents All Time
Profile Widget
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
12467813 System and method for monitoring Fabry-Pérot cavity displacements Anthony Birri , Christian M. Petrie 2025-11-11
11996517 Electrochemical energy storage devices John B. Read 2024-05-28
11769653 Thermionic wave generator (TWG) Devin Vollmer , John B. Read 2023-09-26
11527774 Electrochemical energy storage devices John B. Read 2022-12-13
11525750 Metal-embedded optical fibers for monitoring pressure or corrosion at high temperatures Christian M. Petrie , Yun-Zhao Liu 2022-12-13
10840072 Thermionic wave generator (TWG) Devin Vollmer , John B. Read 2020-11-17
10658705 Thin-film solid-state energy storage devices John B. Read 2020-05-19
10601074 Rugged, gel-free, lithium-free, high energy density solid-state electrochemical energy storage devices John B. Read 2020-03-24
10388496 Thermionic wave generator (TWG) Devin Vollmer , John B. Read 2019-08-20
10199682 Rugged, gel-free, lithium-free, high energy density solid-state electrochemical energy storage devices John B. Read 2019-02-05
9853325 Rugged, gel-free, lithium-free, high energy density solid-state electrochemical energy storage devices John B. Read 2017-12-26
8259432 Capacitors using preformed dielectric John B. Read 2012-09-04