Douglas MacGregor
9Patents
6h-index
9Co-inventors
56Inventor score
Filing activity: Nov 12, 1975 → Aug 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5178595A | Walking device to assist those with an injury to a lower limb | Human Necessities | 27 | Expired |
| US4948514A | Method and apparatus for separating ions from liquids to produce separate diluted and concentrated effluents | Chemistry; Metallurgy | 25 | Expired |
| US5061376A | Method for separating ions from liquids | Chemistry; Metallurgy | 23 | Expired |
| US4011303A | Process for desulfurizing sulfur-bearing coke | Chemistry; Metallurgy | 9 | Expired |
| US6544039B2 | Method of teaching reading | Physics | 8 | Expired |
| US5047074A | Purging of nitrogen from natural gas | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8439684B2 | Method of teaching reading | Physics | 5 | Active |
| US6996554B2 | Database processor | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4350042A | Time-depth integrator | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.