Deck framing system
US-12421719-B2 · Sep 23, 2025 · US
L- or T-shaped
L- or T-shaped · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04C2003/046 |
| Official title | {L- or T-shaped} |
| Display label | L- or T-shaped |
| Total patents | 28 |
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 | 1 |
| 2016 | 1 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deck framing system
US-2023203810-A1 · Jun 29, 2023 · US
Deck framing system
US-11598090-B2 · Mar 7, 2023 · US
Ceiling grid hanger holes
US-11384536-B1 · Jul 12, 2022 · US
Deck framing system
US-2021340760-A1 · Nov 4, 2021 · US
Carrier for a linear ceiling panel
US-11091910-B2 · Aug 17, 2021 · US
Deck framing system
US-11066830-B2 · Jul 20, 2021 · US
High strength main tee splice
US-11053682-B1 · Jul 6, 2021 · US
Bridge tube support
US-11028585-B2 · Jun 8, 2021 · US
Structural member connection system
US-11028586-B2 · Jun 8, 2021 · US
Carrier for a linear ceiling panel
US-2020263426-A1 · Aug 20, 2020 · US
Structural member with anti-rotation feature
US-10689852-B2 · Jun 23, 2020 · US
Carrier for a linear ceiling panel
US-10683664-B2 · Jun 16, 2020 · US
Deck framing system
US-2020165819-A1 · May 28, 2020 · US
Structural member connection system
US-2020063435-A1 · Feb 27, 2020 · US
Deck framing system
US-10550570-B2 · Feb 4, 2020 · US
Structural member with anti-rotation feature
US-2019338521-A1 · Nov 7, 2019 · US
Structural member with an anti-rotational feature
US-10400454-B1 · Sep 3, 2019 · US
High strength grid member for suspended ceilings
US-2019024372-A1 · Jan 24, 2019 · US
Carrier for a linear ceiling panel
US-2019024373-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04C2003/046?
- CPC E04C2003/046 is the Cooperative Patent Classification code for “L- or T-shaped.”
- How many patents are filed under CPC E04C2003/046 (L- or T-shaped)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC E04C2003/046 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).