Thomas P. Steffes has been granted 11 US patents while listed as an inventor at Steffes . The first was granted in 1991 and the most recent in August 2023. Thomas P. Steffes ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Thomas P. Steffes in Dickinson, ND, US.
Patents per Year Patents granted per year, 1991 to 2023 Bar chart with a peak of 2 patents in 2017. peak 2 1991: 1 patents 1991 2014: 1 patents 2014 2015: 1 patents 2015 2016: 1 patents 2016 2017: 2 patents 2017 2018: 1 patents 2018 2019: 1 patents 2019 2021: 1 patents 2021 2022: 1 patents 2022 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
11740646 Flow-based energy management Austin P. Zeller , Joshua P. Vetter , Todd C. Mayer , Paul J. Steffes 2023-08-29
11306942 Heat pump water heater Paul J. Steffes , Austin P. Zeller , Joshua P. Vetter 2022-04-19
11209852 Flow-based energy management Austin P. Zeller , Joshua P. Vetter , Todd C. Mayer , Paul J. Steffes 2021-12-28
10186879 Energy storage device power consumption management Paul J. Steffes , Austin P. Zeller 2019-01-22
10101712 Energy storage device control based on commands from an electrical power distribution system Paul J. Steffes , Austin P. Zeller , Joe E. Fude 2018-10-16
9791842 Electrical appliance energy consumption control Paul J. Steffes 2017-10-17
9732983 Hot water service monitoring Austin P. Zeller 2017-08-15
9478988 Electrical appliance energy consumption control Paul J. Steffes 2016-10-25
9037308 Electrical appliance energy consumption control Paul J. Steffes 2015-05-19
8805597 Electrical appliance energy consumption control Paul J. Steffes 2014-08-12
5042081 Electrical thermal storage heating unit with easily replaced heating Paul J. Steffes , Brian A. Fosaaen 1991-08-20