Charles Freeman
22Patents
11h-index
26Co-inventors
71Inventor score
Filing activity: Oct 29, 1996 → Nov 21, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5693095A | High refractive index ophthalmic lens materials | Human Necessities | 182 | Expired |
| US6249775A | Method for mortgage and closed end loan portfolio management | Physics | 118 | Expired |
| US6491721B2 | Toric intraocular lens material | Human Necessities | 98 | Expired |
| US6528602B1 | Foldable ophthalmic and otorhinolaryngological device materials | Human Necessities | 80 | Expired |
| US6353069B1 | High refractive index ophthalmic device materials | Physics | 71 | Expired |
| US6653422B2 | Foldable ophthalmic and otorhinolaryngological device materials | Human Necessities | 30 | Expired |
| US6703466B1 | Foldable intraocular lens optics having a glassy surface | Human Necessities | 23 | Expired |
| US7020631B2 | Method for mortgage and closed end loan portfolio management | Physics | 17 | Expired |
| US6416550B2 | Method of selecting an intraocular lens material | Human Necessities | 12 | Expired |
| US7790825B2 | High refractive index ophthalmic device materials | Human Necessities | 11 | Active |
| US8449610B2 | High refractive index, acrylic ophthalmic device materials with reduced glistenings | Human Necessities | 11 | Active |
| US8236053B1 | 2-amino benzophenone UV-absorbers for ophthalmic lens materials | Physics | 11 | Active |
| US8678268B1 | Friction stir welding using a sacrificial anvil | Performing Operations; Transporting | 10 | Active |
| US7790824B2 | High refractive index ophthalmic device materials | Chemistry; Metallurgy | 10 | Active |
| US7435444B2 | Control of pre-cured product moisture for formaldehyde-free fiberglass products | Chemistry; Metallurgy | 8 | Active |
| US6049560A | Inductively heated side drain for high temperature molten materials | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8362177B1 | High refractive index ophthalmic device materials with reduced tack | Physics | 4 | Active |
| US7781512B2 | Control of product in curing ovens for formaldehyde-free glass fiber products | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8003170B2 | Control of pre-cured product moisture for formaldehyde-free fiberglass products | Chemistry; Metallurgy | 1 | Active |
| US7415998B2 | Tree jack | Human Necessities | 0 | Active |
| US9707508B2 | System and process for polarity swing assisted regeneration of gas selective capture liquids | Emerging Cross-Sectional Technologies | 0 | Active |
| US7988729B2 | High ion and metabolite flux lenses and materials | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.