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USPTO Patent Rankings Data through Dec 31, 2025
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John T. Naff — 4 Patents

OLOlin: 2 patents #310 of 783Top 40%
Pleasanton, CA: #1,220 of 3,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John T. Naff has been granted 4 US patents while listed as an inventor at Olin. The first was granted in 1991 and the most recent in March 2000. John T. Naff ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John T. Naff in Pleasanton, CA, US.

Patents per Year

Patents granted per year, 1991 to 2000Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911996: 1 patents19961999: 1 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6037715 Spark switch having coaxial electrodes with increased electrode surface area exposure H. George Hammon, III, Michael W. Ingram, David Vincent Drury, Ronald Stanley Shaw 2000-03-14 $3,158,000
5973999 Acoustic cannon James Howard Shea 1999-10-26 $1,690,000
5489818 High power compact microwave source Siu-Kwong Lam 1996-02-06 $2,387,000
5076051 Long life arcjet thruster having diffuse cathode arc attachment 1991-12-31 $4,674,000