Ludwig Ross
16Patents
8h-index
21Co-inventors
72Inventor score
Filing activity: Feb 10, 1983 → May 16, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4562161A | Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4584279A | Optical glass with refractive indices>1.90, Abbe numbers>25 and high chemical stability | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4526874A | Optical light weight glass with a refractive index of >1.70, an Abbe index of >22 and a density of <3.5 G/CM.sup.3 | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4686196A | Phototropic glass with a refractive index greater than or equal to 1.59, an abbe number greater than or equal to 44 and a density less than or equal to 3.0 g/cm.sup.3 | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4734389A | Highly refractive optical glass with refractive indices >1.83 and Abbe numbers <25, and with very good chemical stability | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4508834A | Spectacle glass with increased refractive index | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4824809A | Optical CdO and ThO.sub.2 -free glass with refractive indices of 1.73-1.78 abbe numbers of 30-34, and high devitrification stability | Chemistry; Metallurgy | 12 | Expired |
| US4721690A | High PbO-content glasses in the system SiO.sub.2 --PbO--M.sub.2 O with increased chemical stability | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6253823A | Headrail for cut down venetian type blinds | Fixed Constructions | 7 | Expired |
| US5114453A | Lightwave guide produced by ion exchange of cs+ ions | Physics | 7 | Expired |
| US5004707A | Lightwave guide produced from special substrate glasses by ion exchange against CS.sup.+ ions | Physics | 5 | Expired |
| US4719186A | Optical and ophthalmic glass with refractive indices greater than or equal to 1.56, Abbe numbers greater than or equal to 40 and densities less than or equal to 2.70 g/cm.sup.3 | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6305454A | Venetian type blind having pivot slat and tilting slat | Fixed Constructions | 4 | Expired |
| US4485178A | Phototropic glass with a brown tint in the irradiated state | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4814299A | Optical glass with refractive index 1.60, an abbe number 58, with high chemical stability and resistance to phase separation and crystallization | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9069134B2 | Method for producing an optical splitter cascade and optical assembly | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.