National Optronics, Inc.
44Patents
14Active
44Granted
40Portfolio score
Filing activity: Jul 21, 1978 → Feb 22, 2017 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6203409A | Combination lens edger, polisher, and safety beveler, tool therefor, and use thereof | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5217335A | Plastic lens generator and method | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6243960A | Tracer, clamp and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap | Performing Operations; Transporting | 20 | Expired |
| US5462475A | Blocking system for prescription lenses | Performing Operations; Transporting | 17 | Expired |
| US5425665A | Optical lens blocker and method | Performing Operations; Transporting | 16 | Expired |
| US5158422A | Method and apparatus for shaping and finishing lenses | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6618952B2 | Tracer, clamp, and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap | Performing Operations; Transporting | 10 | Expired |
| US5626511A | Combination lens edger, polisher, and safety beveler, tool therefor and use thereof | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4909679A | Plastic lens edge beveler | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7544038B2 | Tray stacking and unstacking corner grippers and handler | Performing Operations; Transporting | 7 | Active |
| US7874079B2 | Holding mechanism for use with an ophthalmic tracer, and method | Performing Operations; Transporting | 6 | Active |
| US6249991A | Control system for eyeglass tracer | Performing Operations; Transporting | 6 | Expired |
| US4191501A | Plastic lens cutter and edger | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD606101S1 | Blocker for eyeglass lenses | General | 4 | Expired |
| US7970487B2 | Method of calibrating an ophthalmic processing device, machine programmed therefor, and computer program | Emerging Cross-Sectional Technologies | 4 | Active |
| USD326664S | Lens generator | General | 3 | Expired |
| US7463944B2 | Method of grooving and drilling an ophthalmic lens blank, machine programmed therefor, and computer program | Performing Operations; Transporting | 3 | Active |
| USD435053S | Eyeglass frame tracer | General | 3 | Expired |
| US7369238B2 | Lens blank alignment and blocking device and method | Physics | 2 | Active |
| USD489825S1 | Lens blocker | General | 2 | Expired |
| US7029378B1 | Combination router-end mill cutter tool, edger with combination tool, and method of edging eyeglass lenses | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8091244B2 | Holding mechanism for use with an ophthalmic tracer, and method | Performing Operations; Transporting | 2 | Active |
| US6481109B2 | Control system for eyeglass tracer | Performing Operations; Transporting | 2 | Expired |
| USD582948S1 | Eyeglass frame and lens tracer for processing eyeglass lenses | General | 1 | Expired |
| US7643899B2 | Method of beveling an ophthalmic lens blank, machine programmed therefor, and computer program | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.