by changing the light transmissivity of the refractors, filters or transparent cover plates

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CPC
F21S48/1726

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21SNON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF F21S48/00Lighting devices or systems specially adapted for vehicles

Current Industry

F21S48/1726by changing the light transmissivity of the refractors, filters or transparent cover plates

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Patents Grantslast 30 patents

Information Patent Grant
2571894
- Patent number 2,571,894
- Issue date Oct 16, 1951
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
VEHICULAR HEADLAMP SYSTEM WITH A PHOTOCHROMIC LENS AND A LENS HEATI...
- Publication number 20180306401
- Publication date Oct 25, 2018
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Connor I. Robinson
- B60 - VEHICLES IN GENERAL
Information Patent Application
VEHICULAR HEADLAMP SYSTEM WITH A PHOTOCHROMIC LENS
- Publication number 20180306402
- Publication date Oct 25, 2018
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Connor I. Robinson
- B60 - VEHICLES IN GENERAL
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20180029523
- Publication date Feb 1, 2018
- Nichia Corporation.
- Satoshi SHICHIJO
- B60 - VEHICLES IN GENERAL
Information Patent Application
LIGHT EMITTING MODULE
- Publication number 20170321863
- Publication date Nov 9, 2017
- LG Innotek Co., Ltd.
- Ki Soo KWON
- F21 - LIGHTING
Information Patent Application
HEADLAMP FOR VEHICLE
- Publication number 20160377251
- Publication date Dec 29, 2016
- LG ELECTRONICS INC.
- Geunhyeong KIM
- B60 - VEHICLES IN GENERAL