Lighting device for a motor vehicle headlight
US-10876696-B2 · Dec 29, 2020 · US
High-intensity discharge light sources
High-intensity discharge light sources · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21S41/172 |
| Official title | High-intensity discharge light sources |
| Display label | High-intensity discharge light sources |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Headlamp having a circuit assembly for simulating a load current from a vehicle electrical system
US-10638568-B2 · Apr 28, 2020 · US
Lighting device for a motor vehicle headlight
US-2020088373-A1 · Mar 19, 2020 · US
Bi-functional headlamp for vehicle
US-10359168-B2 · Jul 23, 2019 · US
Gas-discharge lamp for a vehicle headlamp
US-10325769-B2 · Jun 18, 2019 · US
Headlamp having a circuit assembly for simulating a load current from a vehicle electrical system
US-2019150236-A1 · May 16, 2019 · US
Light emitting module
US-10267467-B2 · Apr 23, 2019 · US
Light emitting module
US-10267468-B2 · Apr 23, 2019 · US
Light emitting module
US-10240739-B2 · Mar 26, 2019 · US
Headlight control apparatus for performing control of a headlight device
US-10126640-B2 · Nov 13, 2018 · US
Light emitting module
US-2018252377-A1 · Sep 6, 2018 · US
Lighting apparatus for vehicle
US-10054284-B2 · Aug 21, 2018 · US
Vehicular headlamp
US-10023102-B2 · Jul 17, 2018 · US
Light emitting module
US-9982861-B2 · May 29, 2018 · US
Headlights having one light source module for a high beam and a low beam
US-9863603-B2 · Jan 9, 2018 · US
Gas-discharge lamp for a vehicle headlamp
US-2017345638-A1 · Nov 30, 2017 · US
Bi-functional headlamp for vehicle
US-2017299140-A1 · Oct 19, 2017 · US
Vehicle low-beam headlamp with concave reflector and sub-reflector having two concave reflecting surfaces
US-9759400-B2 · Sep 12, 2017 · US
Gas-discharge lamp
US-9711342-B2 · Jul 18, 2017 · US
Vehicular headlamp
US-2017136939-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S41/172?
- CPC F21S41/172 is the Cooperative Patent Classification code for “High-intensity discharge light sources.”
- How many patents are filed under CPC F21S41/172 (High-intensity discharge light sources)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC F21S41/172 growing?
- Publication counts under this code: 6 in 2019 vs 3 in 2020 (latest complete years).