Richard A. Morris
18Patents
13h-index
16Co-inventors
75Inventor score
Filing activity: Feb 13, 1981 → Mar 2, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6045899A | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters | Emerging Cross-Sectional Technologies | 156 | Expired |
| US6565782B1 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7125493B2 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6939468B2 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5846422A | Large pore synthetic polymer membranes | Performing Operations; Transporting | 34 | Expired |
| US6440306B1 | Large pore synthetic polymer membranes | Performing Operations; Transporting | 28 | Expired |
| US4576715A | Membrane pack and method of making | Performing Operations; Transporting | 24 | Expired |
| US6110369A | Large pore synthetic polymer membranes | Performing Operations; Transporting | 24 | Expired |
| US5979670A | Large pore synthetic polymer membranes | Performing Operations; Transporting | 23 | Expired |
| US5958989A | Highly asymmetric ultrafiltration membranes | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6258272A | Internal hydrophilic membranes from blended anionic copolymers | Performing Operations; Transporting | 19 | Expired |
| US6596112B1 | Laminates of asymmetric membranes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6277281A | Large pore synthetic polymer membranes | Performing Operations; Transporting | 16 | Expired |
| US5928774A | Highly asymmetric ultrafiltration membranes | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8840791B2 | Multilayer microfiltration membrane | Performing Operations; Transporting | 2 | Active |
| US9005496B2 | Asymmetric membranes | Performing Operations; Transporting | 2 | Active |
| US7851043B2 | Laminates of asymmetric membranes | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9415347B2 | Asymmetric membranes | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.