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USPTO Patent Rankings Data through Dec 31, 2025
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Roberta Yaffe — 6 Patents

Chevron: 6 patents #772 of 4,788Top 20%
Beacon, NY: #74 of 281 inventorsTop 30%
New York: #23,374 of 115,490 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Roberta Yaffe has been granted 6 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in March 1982. Roberta Yaffe ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Roberta Yaffe in Beacon, NY, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4320018 Synthetic aircraft turbine oil 1982-03-16 $4,544,000
4248721 Synthetic aircraft turbine oil 1981-02-03 $25,797,000
4226732 Synthetic aircraft turbine oil Russell R. Reinhard 1980-10-07 $10,415,000
4216100 Pentaerythritol-fatty acid ester lubricant composition 1980-08-05 $32,064,000
4189388 Synthetic aircraft turbine oil Russell R. Reinhard 1980-02-19 $10,540,000
4188298 Synthetic aircraft turbine oil Russell R. Reinhard 1980-02-12 $22,166,000