Quiet-ceiling light fixture systems and methods
US-10670206-B2 · Jun 2, 2020 · US
with elastically deformable elements, e.g. spring tongues
with elastically deformable elements, e.g. spring tongues · 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 | F21V21/044 |
| Official title | {with elastically deformable elements, e.g. spring tongues} |
| Display label | with elastically deformable elements, e.g. spring tongues |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 18 |
| 2021 | 17 |
| 2022 | 18 |
| 2023 | 8 |
| 2024 | 1 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light fixture installation apparatus and methods
US-2020149718-A1 · May 14, 2020 · US
Downlight apparatus
US-10627058-B2 · Apr 21, 2020 · US
Adjustable Trim Collar For A Light Fixture
US-2020072444-A1 · Mar 5, 2020 · US
LED module with mounting brackets
US-10527264-B2 · Jan 7, 2020 · US
LED fixture with integrated driver circuitry
US-10514139-B2 · Dec 24, 2019 · US
Led module with mounting brackets
US-2019360669-A1 · Nov 28, 2019 · US
Installation assembly for lighting fixture, lighting system and method for retrofitting troffer light
US-2019360670-A1 · Nov 28, 2019 · US
Luminaire Trim Attachment Mechanism And Mounting Bracket Attachment Mechanism
US-2019338925-A1 · Nov 7, 2019 · US
Baffle and associated methods for quiet-ceiling light fixtures
US-10415775-B2 · Sep 17, 2019 · US
LED module with mounting brackets
US-10378738-B1 · Aug 13, 2019 · US
Fixture for a lamp, and lighting element
US-2019226667-A1 · Jul 25, 2019 · US
Downlight apparatus
US-2019203894-A1 · Jul 4, 2019 · US
Rotatable retrofit trim lighting device
US-2019178478-A1 · Jun 13, 2019 · US
Lamp retention and shielding
US-10317054-B1 · Jun 11, 2019 · US
Configurable modes for lighting systems
US-10290265-B2 · May 14, 2019 · US
Recessed housing clip
US-10281120-B1 · May 7, 2019 · US
Retainer apparatus for luminaire assembly
US-10253960-B2 · Apr 9, 2019 · US
Rotatable retrofit trim lighting device
US-10247397-B2 · Apr 2, 2019 · US
Housing for securing a recessed fixture
US-10247394-B2 · Apr 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V21/044?
- CPC F21V21/044 is the Cooperative Patent Classification code for “with elastically deformable elements, e.g. spring tongues.”
- How many patents are filed under CPC F21V21/044 (with elastically deformable elements, e.g. spring tongues)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC F21V21/044 growing?
- Publication counts under this code: 1 in 2024 vs 10 in 2025 (latest complete years).