Trough fixing support structure, trough line including the same, trough structure and method for supporting and fixing the same, and trough fixing support member for use therein
US-2026058448-A1 · Feb 26, 2026 · US
in surface ducts; Ducts or covers therefor
in surface ducts; Ducts or covers therefor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02G9/04 |
| Official title | in surface ducts; Ducts or covers therefor |
| Display label | in surface ducts; Ducts or covers therefor |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Branching trough, bent trough, branching trough connection structure, trough line, branching trough fixing structure, bent trough fixing structure, and method for connecting cable protection member to branching trough
US-2026005503-A1 · Jan 1, 2026 · US
Structure for attaching grating lid onto resin trough body; trough track; trough track forming method; and grating lid
US-12334720-B2 · Jun 17, 2025 · US
Nonmetallic duct bank with nonmetallic subducts
US-2024332939-A1 · Oct 3, 2024 · US
Service pole assemblies and fittings for floor mounted service pole integration
US-12091873-B2 · Sep 17, 2024 · US
Low profile raceway
US-11909190-B2 · Feb 20, 2024 · US
Cable housing container
US-2023352918-A1 · Nov 2, 2023 · US
Cable housing container
US-2023344211-A1 · Oct 26, 2023 · US
Expandable cord protector
US-11715944-B1 · Aug 1, 2023 · US
Structure for attaching grating lid onto resin trough body; trough track; trough track forming method; and grating lid
US-2023216287-A1 · Jul 6, 2023 · US
Low-profile transformer and related components, systems, and methods
US-11615906-B2 · Mar 28, 2023 · US
Service pole assemblies and fittings for floor mounted service pole integration
US-2022325551-A1 · Oct 13, 2022 · US
Cable assembly for configuring power and control lines
US-11456586-B2 · Sep 27, 2022 · US
Resin container and wireless communication system
US-2022286824-A1 · Sep 8, 2022 · US
Low-profile transformer and related components, systems, and methods
US-2021350966-A1 · Nov 11, 2021 · US
Textile sleeve with adhesive fixation layer and methods of construction and use thereof
US-10968550-B2 · Apr 6, 2021 · US
Electrical power transmission for well construction apparatus
US-10745975-B2 · Aug 18, 2020 · US
Rigup raceway for conduit at a site
US-10724343-B2 · Jul 28, 2020 · US
Electrical power transmission for well construction apparatus
US-10724341-B2 · Jul 28, 2020 · US
Electrical power transmission for well construction apparatus
US-10697275-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02G9/04?
- CPC H02G9/04 is the Cooperative Patent Classification code for “in surface ducts; Ducts or covers therefor.”
- How many patents are filed under CPC H02G9/04 (in surface ducts; Ducts or covers therefor)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC H02G9/04 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).