Centering device and flowmeter unit
US-2025334429-A1 · Oct 30, 2025 · US
Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00)
Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00) · 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 | F16L23/00 |
| Official title | Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00) |
| Display label | Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00) |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid-tight structure with a fastener component
US-12412791-B2 · Sep 9, 2025 · US
Sealing clamp assembly and method for clearing and leak testing fuel lines of gas turbine fuel supply system
US-2025251074-A1 · Aug 7, 2025 · US
Vacuum pump and connection port used in vacuum pump
US-12379054-B2 · Aug 5, 2025 · US
Fluid connector assembly
US-2025237335-A1 · Jul 24, 2025 · US
Through-wall piping connector
US-2025230883-A1 · Jul 17, 2025 · US
Method of making a weld connection for a fluid line, method of disconnecting it, welded fluid line connection, and mounting tool
US-2024326180-A1 · Oct 3, 2024 · US
Sealing device and method for detecting a possible gas leak at a fitting connection for biopharmaceutical product
US-12050156-B2 · Jul 30, 2024 · US
Flange for a hose
US-12049970-B2 · Jul 30, 2024 · US
Liquid-tight structure with a fastener component
US-2024237281-A1 · Jul 11, 2024 · US
Sealing device and method for detecting a possible gas leak at a fitting connection for biopharmaceutical product
US-2024192078-A1 · Jun 13, 2024 · US
Vacuum system pipe couplings
US-11542932-B2 · Jan 3, 2023 · US
Module for a vacuum pumping and/or abatement system
US-11530694-B2 · Dec 20, 2022 · US
Modular vacuum pumping and/or abatement system
US-11519401-B2 · Dec 6, 2022 · US
Module for a vacuum pumping and/or abatement system
US-11512688-B2 · Nov 29, 2022 · US
Apparatus and methods for faucet-mounted water filtration systems
US-11440813-B2 · Sep 13, 2022 · US
Radical deactivation component, plasma processing apparatus using the same and radical deactivation method
US-11380522-B2 · Jul 5, 2022 · US
Flange for a hose
US-2022163146-A1 · May 26, 2022 · US
Vacuum pump and connection port used in vacuum pump
US-2022106961-A1 · Apr 7, 2022 · US
Layer composite for a seal, seal and method for manufacturing a layer composite
US-2021088139-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L23/00?
- CPC F16L23/00 is the Cooperative Patent Classification code for “Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00).”
- How many patents are filed under CPC F16L23/00 (Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00))?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC F16L23/00 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).