Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Paul R. Witt — 8 Patents

GPGrain Processing: 8 patents #10 of 87Top 15%
Muscatine, IA: #22 of 197 inventorsTop 15%
Iowa: #1,974 of 15,303 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Paul R. Witt has been granted 8 US patents while listed as an inventor at Grain Processing. The first was granted in 1980 and the most recent in June 1999. Paul R. Witt ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Paul R. Witt in Muscatine, IA, US.

Patents per Year

Patents granted per year, 1980 to 1999Bar chart with a peak of 2 patents in 1986.peak 21980: 1 patents19801985: 1 patents19851986: 2 patents19861988: 1 patents19881992: 1 patents19921995: 1 patents19951999: 1 patents1999

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5916610 NPN delivery system and method for preparing same Randall K. Dew 1999-06-29
5385678 Filter material 1995-01-31
5114894 Filter material 1992-05-19
4788066 Preparation of low alcohol beer 1988-11-29
4622299 Production of high D.E. syrups Richard D. Harvey 1986-11-11
4563357 Modification of soy isolate Pamela A. Krone 1986-01-07
4540663 Liquefaction of starch 1985-09-10
4241183 Starch liquefaction process Richard D. Harvey 1980-12-23