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USPTO Patent Rankings Data through Dec 31, 2025
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Stephen Hostler — 8 Patents

ESEchogen Power Systems: 8 patents #4 of 17Top 25%
Akron, OH: #271 of 1,966 inventorsTop 15%
Ohio: #10,270 of 73,341 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Stephen Hostler has been granted 8 US patents while listed as an inventor at Echogen Power Systems. The first was granted in 2012 and the most recent in January 2018. Stephen Hostler ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Stephen Hostler in Akron, OH, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9863287 Heat engine system with a supercritical working fluid and processes thereof Alexander Steven Kacludis, Steve B. Zakem 2018-01-09
9816403 Thermal energy conversion method Timothy James Held, Jason D. Miller, Brian F. Hume 2017-11-14
9458738 Heat engine and heat to electricity systems and methods with working fluid mass management control Timothy James Held, Jason D. Miller, Michael Louis Vermeersch, Tao Xie 2016-10-04
9115605 Thermal energy conversion device Timothy James Held, Jason D. Miller, Brian F. Hume 2015-08-25
9118226 Heat engine system with a supercritical working fluid and processes thereof Alexander Steven Kacludis, Steve B. Zakem 2015-08-25
8794002 Thermal energy conversion method Timothy James Held, Jason D. Miller, Brian F. Hume 2014-08-05
8613195 Heat engine and heat to electricity systems and methods with working fluid mass management control Timothy James Held, Jason D. Miller, Michael Louis Vermeersch, Tao Xie 2013-12-24
8096128 Heat engine and heat to electricity systems and methods Timothy James Held, Jason D. Miller, Brian F. Hume 2012-01-17