RD

Richard L. Duffy

WC W.R. Grace & Co.-Conn.: 5 patents #144 of 1,045Top 15%
BH Baker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
📍 Cambridge, MA: #1,584 of 8,183 inventorsTop 20%
🗺 Massachusetts: #17,885 of 88,656 inventorsTop 25%
Overall (All Time): #715,592 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10995294 Charged block co-polymers as pour point depressants 2021-05-04
5496637 High efficiency removal of low density lipoprotein-cholesterol from whole blood Marc E. Parham, Donald T. Nicholson 1996-03-05
5418061 Microporous polysulfone supports suitable for removal of low density lipoprotein-cholesterol Marc E. Parham 1995-05-23
D350873 Drinking cup 1994-09-27
5258149 Process of making a membrane for high efficiency removal of low density lipoprotein-cholesterol from whole blood Marc E. Parham, Donald T. Nicholson 1993-11-02
5236644 Process of making membrane for removal of low density lipoprotein-cholesterol from whole blood Marc E. Parham, Donald T. Nicholson 1993-08-17
5187010 Membrane having high affinity for low density lipoprotein-cholesterol from whole blood Marc E. Parham 1993-02-16