JD

John Charles Drenter

PC Pct: 4 patents #1 of 5Top 20%
📍 Davenport, IA: #44 of 349 inventorsTop 15%
🗺 Iowa: #2,245 of 15,303 inventorsTop 15%
Overall (All Time): #691,143 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11901153 X-ray machine Karl E. Swanson, Paul Michael Fletcher 2024-02-13
9299465 Electron beam system Rily Carl Grunwald 2016-03-29
8106369 Electron beam web irradiation apparatus and process 2012-01-31
6152810 Blasting media apparatus 2000-11-28
5657876 Abrasive grit material recovery system Donald C. Allebach, Jr., Dieter A. Konitzer, Jr. 1997-08-19
5622265 Abrasive grit material recovery system Donald C. Allebach, Jr., Dieter A. Konitzer, Jr. 1997-04-22
5520288 Abrasive grit material recovery system Donald C. Allebach, Jr., Dieter A. Konitzer, Jr. 1996-05-28