Norris E. Lewis
26Patents
11h-index
16Co-inventors
72Inventor score
Filing activity: May 12, 1980 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5455703A | Fiber optic transceiver with integrated coupler | Physics | 72 | Expired |
| US5285512A | Fiber optic transceiver with integrated coupler | Physics | 40 | Expired |
| US4525025A | Fiber optic rotary joint using a reflective surface and tangentially mounted rotor and stator optical fibers | Physics | 36 | Expired |
| US4398113A | Fiber brush slip ring assembly | Electricity | 34 | Expired |
| US4492427A | Optical slip ring assembly | Electricity | 30 | Expired |
| US4436367A | Optical slip ring assembly | Electricity | 28 | Expired |
| US6104849A | Fiber optic rotary joint | Physics | 24 | Expired |
| US5991478A | Fiber optic rotary joint | Physics | 21 | Expired |
| US6980714B2 | Fiber optic rotary joint and associated reflector assembly | Physics | 16 | Expired |
| US5054189A | Method of manufacturing an electrical slip ring assembly | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4329004A | Gas filled high voltage slip ring assembly | Electricity | 12 | Expired |
| US7105983B2 | Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings | Electricity | 10 | Expired |
| US4323292A | High voltage slip ring assembly | Electricity | 9 | Expired |
| US6453088B1 | Segmented waveguide for large diameter fiber optic rotary joint | Electricity | 7 | Expired |
| US8611753B2 | Optical rotary joints, methods of mounting same in a properly-aligned manner, and optical reflector assemblies for use therein | Emerging Cross-Sectional Technologies | 7 | Active |
| US7545073B2 | Fluid-dispensing reservoir for large-diameter slip rings | Electricity | 7 | Active |
| US7339302B2 | Electrical contact technology and methodology for the manufacture of large-diameter electrical slip rings | Electricity | 7 | Active |
| US6751369B1 | Fiber lens assembly for singlemode optical switches | Physics | 7 | Expired |
| US7423359B2 | Fluid-dispensing reservoir for large-diameter slip rings | Electricity | 4 | Active |
| US7495366B2 | Compact slip ring incorporating fiber-on-tips contact technology | Electricity | 4 | Active |
| US8285146B2 | Optical rotary joints, methods of mounting same in a properly-aligned manner, and optical reflector assemblies for use therein | Emerging Cross-Sectional Technologies | 2 | Active |
| US8520990B2 | High-power collimating lens assemblies, and methods of reducing the optical power density in collimating lens assemblies | Emerging Cross-Sectional Technologies | 1 | Active |
| US10965077B2 | Superconducting devices, such as slip-rings and homopolar motors/generators | Electricity | 0 | Active |
| US8705976B2 | Optical reflector assemblies for use optical rotary joints | Emerging Cross-Sectional Technologies | 0 | Active |
| US10446995B2 | Superconducting devices, such as slip-rings and homopolar motors/generators | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.