Systems and methods for high bay light fixtures
US-9851090-B2 · Dec 26, 2017 · US
with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)}
with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)} · 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 | F21V19/04 |
| Official title | with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)} |
| Display label | with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)} |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 23 |
| 2017 | 18 |
| 2018 | 19 |
| 2019 | 19 |
| 2020 | 33 |
| 2021 | 14 |
| 2022 | 21 |
| 2023 | 9 |
| 2024 | 15 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Frame and light source module including the same
US-9835316-B2 · Dec 5, 2017 · US
Light bulb retaining device for a vehicular lamp reflector unit
US-2017343178-A1 · Nov 30, 2017 · US
Power Door Lighting Fixture
US-2017321869-A1 · Nov 9, 2017 · US
Multi-Function Lighting Fixture
US-2017307145-A1 · Oct 26, 2017 · US
LED light engines
US-9739455-B2 · Aug 22, 2017 · US
Illumination unit for medical use and illumination device for medical use
US-9631796-B2 · Apr 25, 2017 · US
LED replacement light assembly with improved cooling features
US-9611982-B2 · Apr 4, 2017 · US
Lighting module with PAR lamp style heat sink
US-9605809-B1 · Mar 28, 2017 · US
Luminaire with a connection device
US-9541266-B2 · Jan 10, 2017 · US
LED light fixture
US-9534775-B2 · Jan 3, 2017 · US
Lighting devices that comprise one or more solid state light emitters
US-9518715-B2 · Dec 13, 2016 · US
Electrical connector adapters for light fixtures
US-9500320-B1 · Nov 22, 2016 · US
Light source system having a plurality of light source modules each having an irradiation module with light guide
US-9477026-B2 · Oct 25, 2016 · US
Light emitting device
US-9458984-B2 · Oct 4, 2016 · US
Projector with flexible printed circuit board for light source
US-9442353-B2 · Sep 13, 2016 · US
LED light fixture with heat-dissipation-related high light output
US-9441824-B2 · Sep 13, 2016 · US
Illumination device
US-9423111-B2 · Aug 23, 2016 · US
Lighting device
US-2016238219-A1 · Aug 18, 2016 · US
Lighting device
US-2016230937-A1 · Aug 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V19/04?
- CPC F21V19/04 is the Cooperative Patent Classification code for “with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)}.”
- How many patents are filed under CPC F21V19/04 (with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)})?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC F21V19/04 growing?
- Publication counts under this code: 15 in 2024 vs 8 in 2025 (latest complete years).