Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sherif Elsayed — 2 Patents

LTLummus Technology: 1 patents #209 of 280Top 75%
Houston, TX: #8,734 of 21,073 inventorsTop 45%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Sherif Elsayed has been granted 2 US patents while listed as an inventor at Lummus Technology. The first was granted in 2022 and the most recent in December 2025. Sherif Elsayed ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sherif Elsayed in Houston, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12509801 Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process Herbert Sixta, Inge Schlapp-Hackl, Joanna Witos, Sanna Hellsten, Petri Uusi-Kyyny +2 more 2025-12-30
11287196 Helically baffled heat exchanger Eric Drew Macedo, Richard John Jibb, Melanie O'Sullivan 2022-03-29