Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Guthrie — 4 Patents

CLCeravision Limited: 3 patents #4 of 16Top 25%
Henderson, NV: #239 of 925 inventorsTop 30%
Nevada: #1,969 of 8,397 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles Guthrie has been granted 4 US patents while listed as an inventor at Ceravision Limited. The first was granted in 2001 and the most recent in April 2014. Charles Guthrie ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles Guthrie in Henderson, NV, US.

Patents per Year

Patents granted per year, 2001 to 2014Bar chart with a peak of 2 patents in 2012.peak 22001: 1 patents20012012: 2 patents20122014: 1 patents2014

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8702465 Method of manufacturing an electrode-less incandescent bulb Edwin Charles Odell, Robin Devonshire, Donald Wilson, Floyd Pothoven 2014-04-22
8241082 Electrode-less incandescent bulb Donald Wilson, Floyd Pothoven, Eddie Odell, Robin Devonshire 2012-08-14
8227993 Lamp having an electrodeless bulb Andrew Simon Neate 2012-07-24
6179876 Orthopedic prosthesis with cement compression ring and method Blake A. Stamper 2001-01-30