Electrode arrangement for a discharge lamp, gas discharge lamp, protective film and method for providing a protective film on an electrode arrangement
US-10991569-B2 · Apr 27, 2021 · US
Metal halide arc lamps
Metal halide arc lamps · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J61/827 |
| Official title | {Metal halide arc lamps} |
| Display label | Metal halide arc lamps |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode arrangement for a discharge lamp, gas discharge lamp, protective film and method for providing a protective film on an electrode arrangement
US-2020273694-A1 · Aug 27, 2020 · US
Gas discharge lamp and spotlight system comprising gas discharge lamp
US-10366874-B2 · Jul 30, 2019 · US
High-pressure discharge lamp having an ignition aid
US-10269551-B2 · Apr 23, 2019 · US
Discharge lamp that includes a luminous tube and a pair of electrodes and a manufacturing method for discharge lamp and projector
US-10186415-B2 · Jan 22, 2019 · US
High-intensity discharge lamp
US-2018061626-A1 · Mar 1, 2018 · US
Gas Discharge Lamp and Spotlight System Comprising Gas Discharge Lamp
US-2018053646-A1 · Feb 22, 2018 · US
Metal halide lamp with ceramic discharge vessel
US-9773659-B2 · Sep 26, 2017 · US
Discharge lamp, manufacturing method for discharge lamp, and projector
US-2017025266-A1 · Jan 26, 2017 · US
High intensity discharge lamps with dosing aid
US-9437615-B2 · Sep 6, 2016 · US
Discharge lamp with optimized salt filling
US-2016254135-A1 · Sep 1, 2016 · US
High intensity discharge lamp
US-9406497-B2 · Aug 2, 2016 · US
High efficiency lighting assembly
US-9406498-B2 · Aug 2, 2016 · US
High-pressure discharge lamp
US-9384958-B2 · Jul 5, 2016 · US
Electric lamp and manufacture method therefor
US-9378939-B2 · Jun 28, 2016 · US
Discharge lamp with high color temperature
US-9368339-B2 · Jun 14, 2016 · US
Discharge lamp and vehicle lamp
US-9245729-B2 · Jan 26, 2016 · US
High intensity discharge lamps with dosing aid
US-2015357178-A1 · Dec 10, 2015 · US
Lamp having a secondary halide that improves luminous efficiency
US-9171712-B2 · Oct 27, 2015 · US
Discharge lamp, light source device and projector
US-9152026-B2 · Oct 6, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01J61/827?
- CPC H01J61/827 is the Cooperative Patent Classification code for “Metal halide arc lamps.”
- How many patents are filed under CPC H01J61/827 (Metal halide arc lamps)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC H01J61/827 growing?
- Publication counts under this code: 1 in 2020 vs 1 in 2021 (latest complete years).