HD

Hilbert F. P. Drews

📍 Greendale, WI: #29 of 157 inventorsTop 20%
🗺 Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #867,199 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7644977 Post pressurizing material treatment for bodies moving through fluid 2010-01-12
7357442 Post pressurizing material treatment for bodies moving through fluid 2008-04-15
7111570 Dynamic surface element for bodies moving through a fluid 2006-09-26
7059662 Post pressurizing material treatment for bodies moving through fluid 2006-06-13
5988568 Surface modification apparatus and method for decreasing the drag or retarding forces created by fluids flowing across a moving surface 1999-11-23
4284302 Driven craft having surface means for increasing propulsion efficiencies 1981-08-18