DG

Donald F. Grieve

KE Krebs Engineers: 4 patents #1 of 8Top 15%
📍 La Honda, CA: #35 of 85 inventorsTop 45%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,295,549 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5180493 Rotating hydrocyclone separator with turbulence shield 1993-01-19
5133861 Hydricyclone separator with turbulence shield 1992-07-28
4246576 Cyclone monitoring apparatus and method Edward D. Barnett 1981-01-20
4208270 Hydrocyclone assembly Robert E. Hochscheid 1980-06-17