Robert C. MacDonald
24Patents
10h-index
16Co-inventors
72Inventor score
Filing activity: Apr 29, 1977 → Oct 16, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7801783B2 | System and method for automatic analysis of rate information | Electricity | 174 | Active |
| US5780053A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 136 | Expired |
| US5855910A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 102 | Expired |
| US7976743B2 | Gas-containing liposomes | Emerging Cross-Sectional Technologies | 101 | Active |
| US4532089A | Method of preparing giant size liposomes | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5661018A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 17 | Expired |
| US4793443A | Dynamic assignment switching in the dispatching of elevator cars | Performing Operations; Transporting | 14 | Expired |
| US4482032A | Elevator emergency control system | Performing Operations; Transporting | 13 | Expired |
| US5883343A | Downpeak group optimization | Performing Operations; Transporting | 11 | Expired |
| US5891714A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 11 | Expired |
| US5651981A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 9 | Expired |
| US4431085A | Method of operating an elevator system | Performing Operations; Transporting | 7 | Expired |
| US4782921A | Coincident call optimization in an elevator dispatching system | Performing Operations; Transporting | 6 | Expired |
| US5305194A | Method and apparatus for preventing local bunching of cars in an elevator group with variable traffic flow | Performing Operations; Transporting | 6 | Expired |
| US4790412A | Anti-bunching method for dispatching elevator cars | Performing Operations; Transporting | 6 | Expired |
| US4511017A | Elevator system | Performing Operations; Transporting | 6 | Expired |
| US4129199A | Elevator system | Performing Operations; Transporting | 5 | Expired |
| US4875554A | Dynamic selection of elevator call assignment scan direction | Performing Operations; Transporting | 5 | Expired |
| US4784240A | Method for using door cycle time in dispatching elevator cars | Performing Operations; Transporting | 4 | Expired |
| US5686620A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 2 | Expired |
| US5688958A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 2 | Expired |
| US5695780A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 0 | Expired |
| US6187760A | Cationic phospholipids for transfection | Chemistry; Metallurgy | 0 | Expired |
| US7732420B2 | Combinations of transfection lipids exhibiting increased transfection efficiencies | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.