Connector for pipelines and method to connect the connector to a pipeline
US-12060956-B2 · Aug 13, 2024 · US
made exclusively of metal
made exclusively of metal · 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 | F16L23/20 |
| Official title | made exclusively of metal |
| Display label | made exclusively of metal |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal seal comprising a textured outer sealing layer
US-11821517-B2 · Nov 21, 2023 · US
Metal gasket
US-11802621-B2 · Oct 31, 2023 · US
Clamp
US-11746938-B2 · Sep 5, 2023 · US
Fluid flow connector
US-11732831-B2 · Aug 22, 2023 · US
Apparatus and method for decreasing flow noise in ring-type joints
US-11566708-B2 · Jan 31, 2023 · US
Self-sealing a flange
US-11519537-B2 · Dec 6, 2022 · US
Sealing arrangement and use thereof
US-11497151-B2 · Nov 8, 2022 · US
Pipeline spool piece seal assembly and method of use
US-2022341531-A1 · Oct 27, 2022 · US
Sealing member for repairing a pipeline and method of use
US-2022341530-A1 · Oct 27, 2022 · US
Fluid flow connector
US-2022252197-A1 · Aug 11, 2022 · US
Self-sealing a flange
US-2022154859-A1 · May 19, 2022 · US
Mounting device for a flat seal of a flange connection
US-11306820-B2 · Apr 19, 2022 · US
Metal-to-metal sealing system with low component spreading requirements
US-11293550-B2 · Apr 5, 2022 · US
Flanged joint and method of fluidly connecting two components
US-2022090713-A1 · Mar 24, 2022 · US
Metal seal comprising a textured outer sealing layer
US-2022057029-A1 · Feb 24, 2022 · US
Connector for pipelines and method to connect the connector to a pipeline
US-2022010900-A1 · Jan 13, 2022 · US
Sealing arrangement and use thereof
US-2021289674-A1 · Sep 16, 2021 · US
Bolted duct joints
US-11118513-B2 · Sep 14, 2021 · US
Clamp
US-2021239245-A1 · Aug 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L23/20?
- CPC F16L23/20 is the Cooperative Patent Classification code for “made exclusively of metal.”
- How many patents are filed under CPC F16L23/20 (made exclusively of metal)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F16L23/20 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).