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USPTO Patent Rankings Data through Dec 31, 2025
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John E. Samaras — 11 Patents

JCJx Crystals: 11 patents #2 of 19Top 15%
Seattle, WA: #2,698 of 21,776 inventorsTop 15%
Washington: #9,483 of 76,902 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
John E. Samaras has been granted 11 US patents while listed as an inventor at Jx Crystals. The first was granted in 1995 and the most recent in December 2002. John E. Samaras ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list John E. Samaras in Seattle, WA, US.

Patents per Year

Patents granted per year, 1995 to 2002Bar chart with a peak of 5 patents in 2001.peak 51995: 1 patents19951997: 2 patents19971999: 1 patents19992001: 5 patents20012002: 2 patents2002

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6489553 TPV cylindrical generator for home cogeneration Lewis M. Fraas, Leonid Minkin 2002-12-03
6486392 Hydrocarbon fired thermophotovoltaic electric generator insert having low bandgap cells for use as a replacement burner in an appliance retrofit Lewis M. Fraas 2002-11-26
6303853 Shingle circuits for thermophotovoltaic systems Lewis M. Fraas, Wilbert E. Daniels, James E. Avery, Jason B. Keyes 2001-10-16
6284969 Hydrocarbon fired thermophotovoltaic furnace Lewis M. Fraas, William P. Mulligan, Lucian G. Ferguson 2001-09-04
6271461 Antireflection coated refractory metal matched emitters for use in thermophotovoltaic generators Lewis M. Fraas, James E. Avery 2001-08-07
6232545 Linear circuit designs for solar photovoltaic concentrator and thermophotovoltaic applications using cell and substrate materials with matched coefficients of thermal expansion Jason B. Keyes, James E. Avery, Lewis M. Fraas 2001-05-15
6218607 Compact man-portable thermophotovoltaic battery charger William P. Mulligan, Lewis M. Fraas 2001-04-17
5942047 Electric power generator including a thermophotovoltaic cell assembly, a composite ceramic emitter and a flame detection system Lewis M. Fraas, Lucian G. Ferguson, Russell J. Ballantyne, James E. Avery 1999-08-24
5651838 Hydrocarbon fired room heater with thermophotovoltaic electric generator Lewis M. Fraas, James E. Avery 1997-07-29
5616186 Thermophotovoltaic electric generator using low bandgap photovoltaic cells with a hydrocarbon burner and enhanced catalytic infrared emitter Lewis M. Fraas, Douglas J. Williams 1997-04-01
5403405 Spectral control for thermophotovoltaic generators Lewis M. Fraas, Paul F. Baldasaro, Edward Brown 1995-04-04