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USPTO Patent Rankings Data through Dec 31, 2025
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Robert T. Hahn — 4 Patents

Chevron: 4 patents #1,084 of 4,788Top 25%
Beacon, NY: #97 of 281 inventorsTop 35%
New York: #31,814 of 115,490 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert T. Hahn has been granted 4 US patents while listed as an inventor at Chevron. The first was granted in 1995 and the most recent in September 1996. Robert T. Hahn ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert T. Hahn in Beacon, NY, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5558685 Non-metallic anti-knock fuel additive Thomas F. DeRosa, William M. Studzinski, Joseph M. Russo, Benjamin J. Kaufman 1996-09-24 $32,177,000
5536280 Non-metallic anti-knock fuel additive Thomas F. DeRosa, William M. Studzinski, Joseph M. Russo, Benjamin J. Kaufman 1996-07-16 $42,029,000
5468262 Thermal stability additives for jet fuels William P. Acker, Thomas Mach, Rodney L. Sung 1995-11-21 $21,070,000
5468264 Non-metallic anti-knock fuel additive Thomas F. DeRosa, William M. Studzinski, Joseph M. Russo, Benjamin J. Kaufman 1995-11-21 $21,070,000