Jeffrey H. Yen
15Patents
8h-index
19Co-inventors
69Inventor score
Filing activity: Aug 8, 1983 → Mar 13, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4599162A | Cascade hydrodewaxing process | Chemistry; Metallurgy | 55 | Expired |
| US4601993A | Catalyst composition dewaxing of lubricating oils | Performing Operations; Transporting | 44 | Expired |
| US4724066A | Composites of microporous aluminum phosphates and zeolites and conversions over these catalysts | Chemistry; Metallurgy | 31 | Expired |
| US5348662A | Process for removing heavy metals from aqueous solutions | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5378366A | Hot lime precipitation of arsenic from wastewater or groundwater | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4575416A | Hydrodewaxing with mixed zeolite catalysts | Performing Operations; Transporting | 19 | Expired |
| US5262063A | Multiple-stage precipitation process for heavy metals in aqueous solution | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5338460A | Sulfide precipitation of heavy metals from aqueous solutions | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4474618A | Overnight cloud and color in lube dewaxing using platinum zeolite catalyst | Chemistry; Metallurgy | 8 | Expired |
| US4767522A | Distillate dewaxing process with mixed zeolites | Performing Operations; Transporting | 7 | Expired |
| US4855113A | Apparatus for removing sulfur from organic polysulfides | Chemistry; Metallurgy | 5 | Expired |
| US5242672A | Process for removing sulfur from organic polysulfides | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5312992A | Process for removing sulfur from organic sulfides | Chemistry; Metallurgy | 2 | Expired |
| US7091288B2 | Polymerization of vinylidene fluoride (VF2) in a supercritical fluid medium | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7651623B2 | Use of decanter centrifuge in polymer processing | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.