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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Williford — 5 Patents

BIBattelle Memorial Institute: 5 patents #345 of 2,462Top 15%
Kennewick, WA: #77 of 425 inventorsTop 20%
Washington: #19,692 of 76,902 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ralph E. Williford has been granted 5 US patents while listed as an inventor at Battelle Memorial Institute. The first was granted in 1989 and the most recent in July 2014. Ralph E. Williford ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ralph E. Williford in Kennewick, WA, US.

Patents per Year

Patents granted per year, 1989 to 2014Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19892011: 1 patents20112012: 1 patents20122013: 1 patents20132014: 1 patents2014

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8765278 High-energy metal air batteries Ji-Guang Zhang, Jie Xiao, Wu Xu, Deyu Wang, Jun Liu 2014-07-01
8481187 High-energy metal air batteries Ji-Guang Zhang, Jie Xiao, Wu Xu, Deyu Wang, Jun Liu 2013-07-09
8088502 Nanostructured thin film optical coatings Peter M. Martin, Charles H. Henager, Jr., Wendy D. Bennett 2012-01-03
8012403 Method for producing high purity low dielectric constant ceramic and hybrid ceramic films Jerome Birnbaum, Glen E. Fryxell, Shari Li Xiaohong, Christopher A. Coyle, Glen Dunham +1 more 2011-09-06
4860589 Procedure for estimating fracture energy from fracture surface roughness 1989-08-29