Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RP

Robert Prachar — 3 Patents

Akron, OH: #643 of 1,966 inventorsTop 35%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Prachar has been granted 3 US patents. The first was granted in 2004 and the most recent in July 2025. Robert Prachar ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Prachar in Akron, OH, US.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042017: 1 patents20172025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12357937 Demister with rinse-in-place filters and method Jonathon Charles Hayes, Michael R. Webb, Andrew P. Grow, Cephas Tetteh Kudzordzi, Jonathan E. Mitchell +2 more 2025-07-15
9636721 Method and clean-in-place system for conveying tubes Joseph M. Ovnic, Kenneth J. Erskine, Michael R. Webb, Christopher L. Tokarcik 2017-05-02
6672461 Device for separating solids from air Lawrence J. Miller, Richard K. Liggett 2004-01-06