LED light assembly having three-part optical elements
US-9659511-B2 · May 23, 2017 · US
Thermal insulation
Thermal insulation · 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 | F21V29/15 |
| Official title | Thermal insulation |
| Display label | Thermal insulation |
| Total patents | 202 |
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 | 30 |
| 2016 | 29 |
| 2017 | 25 |
| 2018 | 16 |
| 2019 | 31 |
| 2020 | 24 |
| 2021 | 25 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lighting system for an oven appliance
US-9528709-B2 · Dec 27, 2016 · US
Outdoor billboard with lighting assemblies
US-9524661-B2 · Dec 20, 2016 · US
LED lamp
US-9523488-B2 · Dec 20, 2016 · US
Method of uniformly illuminating a billboard
US-9514663-B2 · Dec 6, 2016 · US
Billboard and Lighting Assembly with Heat Sink
US-2016329005-A1 · Nov 10, 2016 · US
Light Assembly for Providing Substantially Uniform Illumination
US-2016329004-A1 · Nov 10, 2016 · US
Method of Uniformly Illuminating a Billboard
US-2016321963-A1 · Nov 3, 2016 · US
Lighting system for an oven appliance
US-2016320069-A1 · Nov 3, 2016 · US
Heat isolating torch
US-2016320053-A1 · Nov 3, 2016 · US
Outdoor Billboard with Lighting Assemblies
US-2016321964-A1 · Nov 3, 2016 · US
Outdoor Billboard with Lighting Assemblies
US-2016267823-A1 · Sep 15, 2016 · US
Multi-part heat exchanger for LED lamps
US-9435525-B1 · Sep 6, 2016 · US
Heat isolating torch
US-9416962-B2 · Aug 16, 2016 · US
Lighting device
US-2016230937-A1 · Aug 11, 2016 · US
LED bulb for incandescent bulb replacement with internal heat dissipating structures
US-9395075-B2 · Jul 19, 2016 · US
Method of and apparatus for enhanced thermal isolation of low-profile LED lighting fixtures
US-9395067-B2 · Jul 19, 2016 · US
Light Apparatus
US-2016186976-A1 · Jun 30, 2016 · US
Light fixture with airflow passage separating driver and emitter
US-2016178183-A1 · Jun 23, 2016 · US
Vertically disposed HID lamp fixture
US-9335038-B2 · May 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V29/15?
- CPC F21V29/15 is the Cooperative Patent Classification code for “Thermal insulation.”
- How many patents are filed under CPC F21V29/15 (Thermal insulation)?
- Our database includes 202 publications tagged with this CPC code.
- Is patent activity under CPC F21V29/15 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).