William J. Dreyer
14Patents
12h-index
9Co-inventors
67Inventor score
Filing activity: Jan 17, 1974 → Jun 3, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4138383A | Preparation of small bio-compatible microspheres | Emerging Cross-Sectional Technologies | 117 | Expired |
| US3957741A | Crosslinked, porous, polyacrylate beads | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4108972A | Immunological reagent employing radioactive and other tracers | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4704256A | Apparatus for the sequential performance of chemical processes | Physics | 48 | Expired |
| US4065412A | Peptide or protein sequencing method and apparatus | Chemistry; Metallurgy | 33 | Expired |
| US4603114A | Method for the sequential performance of chemical processes | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4046720A | Crosslinked, porous, polyacrylate beads | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4314156A | Automated mass spectrometer analysis system | Electricity | 19 | Expired |
| US4224198A | Protein specific polymeric immunomicrospheres | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5075215A | Use of daylight fluorescent pigments for tagging biological molecules | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4610847A | Conversion flask for sequential performance apparatus | Physics | 13 | Expired |
| US5132206A | Fluorescent pigments for tagging biological molecules | Emerging Cross-Sectional Technologies | 12 | Expired |
| US3985632A | Small, porous polyacrylate beads | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4084090A | Automated mass spectrometer analysis system | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.