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USPTO Patent Rankings Data through Dec 31, 2025
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Narasimhan Devanathan — 3 Patents

AMAmoco: 3 patents #256 of 1,251Top 25%
Aurora, IL: #320 of 1,049 inventorsTop 35%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Narasimhan Devanathan has been granted 3 US patents while listed as an inventor at Amoco. The first was granted in 1996 and the most recent in March 1998. Narasimhan Devanathan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Narasimhan Devanathan in Aurora, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5723041 Process and apparatus for promoting annularly uniform flow Peter J. Klomans, William B. VanderHeyden 1998-03-03 $33,193,000
5624642 Hydrocarbon processing apparatus Craig A. McKnight, William B. VanderHeyden, Larry P. Hackman, Peter J. Klomans, Robert William Skwarok 1997-04-29 $69,606,000
5569434 Hydrocarbon processing apparatus and method Peter J. Klomans, William B. VanderHeyden, Robert D. Buttke 1996-10-29 $45,032,000