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USPTO Patent Rankings Data through Dec 31, 2025
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Roger C. Emanuelson — 4 Patents

ICInternational Fuel Cells: 2 patents #65 of 129Top 55%
RTX (Raytheon): 2 patents #5,352 of 15,912Top 35%
Glastonbury, CT: #246 of 684 inventorsTop 40%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Roger C. Emanuelson has been granted 4 US patents while listed as an inventor at International Fuel Cells. The first was granted in 1981 and the most recent in April 1988. Roger C. Emanuelson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Roger C. Emanuelson in Glastonbury, CT, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4740357 Radiation shield for reformer apparatus Richard F. Buswell 1988-04-26 $8,681,000
4738872 Carbon-graphite component for an electrochemical cell and method for making the component John M. Lee 1988-04-19 $4,860,000
4360485 Method for making improved separator plates for electrochemical cells Warren L. Luoma, William A. Taylor 1982-11-23 $5,169,000
4301222 Separator plate for electrochemical cells Warren L. Luoma, William A. Taylor 1981-11-17 $1,065,000