Self-closing bag connector
US-10507318-B2 · Dec 17, 2019 · US
with fluid cut-off means in only one of two pipe-end fittings
with fluid cut-off means in only one of two pipe-end fittings · 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 | F16L37/38 |
| Official title | with fluid cut-off means in only one of two pipe-end fittings |
| Display label | with fluid cut-off means in only one of two pipe-end fittings |
| Total patents | 114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 14 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Medical connectors and methods of use
US-2019358443-A1 · Nov 28, 2019 · US
Coupling Component And Fluid Coupling
US-2019344067-A1 · Nov 14, 2019 · US
Quick coupling
US-10458584-B2 · Oct 29, 2019 · US
Low engagement force fluid coupling
US-2019264853-A1 · Aug 29, 2019 · US
Resinous filler port
US-10308109-B2 · Jun 4, 2019 · US
Coupling Assembly with Retaining Clip Member
US-2019101232-A1 · Apr 4, 2019 · US
Connector with seal element and adapted connector parts
US-10238855-B2 · Mar 26, 2019 · US
Air-based cooling for data center rack
US-2019069449-A1 · Feb 28, 2019 · US
Medical connectors and methods of use
US-10195413-B2 · Feb 5, 2019 · US
Filling apparatus
US-2019016210-A1 · Jan 17, 2019 · US
Coupling assembly with retaining clip member
US-10151409-B2 · Dec 11, 2018 · US
Male or female quick coupling element and quick coupling including such an element
US-10094502-B2 · Oct 9, 2018 · US
Connector and socket
US-10088088-B2 · Oct 2, 2018 · US
Bouancy apparatus system integrated with a rapid release emergency disconnect system
US-10072784-B2 · Sep 11, 2018 · US
Connector
US-10046153-B2 · Aug 14, 2018 · US
Medical connector
US-2018207418-A1 · Jul 26, 2018 · US
Female Coupling Element, to be Coupled with a Complementary Male Element and Coupling Comprising Such a Female Element
US-2018180208-A1 · Jun 28, 2018 · US
Rapid-connect coupler with vent-stop
US-2018156371-A1 · Jun 7, 2018 · US
Contaminant resistant charge valve
US-9969242-B2 · May 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L37/38?
- CPC F16L37/38 is the Cooperative Patent Classification code for “with fluid cut-off means in only one of two pipe-end fittings.”
- How many patents are filed under CPC F16L37/38 (with fluid cut-off means in only one of two pipe-end fittings)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC F16L37/38 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).