Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William E. Saver — 4 Patents

KDKoppers Delaware: 2 patents #10 of 26Top 40%
Lower Burrell, PA: #85 of 383 inventorsTop 25%
Pennsylvania: #19,360 of 74,527 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
William E. Saver has been granted 4 US patents while listed as an inventor at Koppers Delaware. The first was granted in 1998 and the most recent in December 2008. William E. Saver ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list William E. Saver in Lower Burrell, PA, US.

Patents per Year

Patents granted per year, 1998 to 2008Bar chart with a peak of 2 patents in 2006.peak 21998: 1 patents19982006: 2 patents20062008: 1 patents2008

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7465387 Coal tar and hydrocarbon mixture pitch and the preparation and use thereof Thomas A. Golubic, Kenneth C. Krupinski, David R. Snyder, Robert H. Wombles 2008-12-16
7066997 Coal tar and hydrocarbon mixture pitch and the preparation and use thereof Thomas A. Golubic, Kenneth C. Krupinski, David R. Snyder, Robert H. Wombles 2006-06-27
7033485 Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process E. Ronald McHenry 2006-04-25
5746906 Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof E. Ronald McHenry 1998-05-05