Male coupling member
US-11118717-B2 · Sep 14, 2021 · US
with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied · 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 | F16L29/04 |
| Official title | with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied |
| Display label | with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 24 |
| 2022 | 11 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 19 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling element and coupling device comprising this coupling element
US-11009165-B2 · May 18, 2021 · US
Fluid coupling
US-10851929-B2 · Dec 1, 2020 · US
Systems and methods for wireless power and data transfer for connectors
US-2020373790-A1 · Nov 26, 2020 · US
Fluidic coupling
US-10816122-B2 · Oct 27, 2020 · US
Fluid coupling element and fluid-coupling comprising such an element
US-10781957-B2 · Sep 22, 2020 · US
Downhole disconnect tool
US-2020291734-A1 · Sep 17, 2020 · US
Fluid coupling and sleeve therefor
US-2020292122-A1 · Sep 17, 2020 · US
Axially engaging medical connector system that inhibits fluid penetration between mating surfaces
US-2020284385-A1 · Sep 10, 2020 · US
Split heating and cooling systems
US-10760795-B2 · Sep 1, 2020 · US
Connection device for connecting two fluid circuits
US-10731783-B2 · Aug 4, 2020 · US
Axially engaging medical connector system with diminished fluid remnants
US-10697570-B2 · Jun 30, 2020 · US
Connection device for fluid circuits
US-10678275-B2 · Jun 9, 2020 · US
Fireproof quick disconnect coupling assembly
US-10619786-B2 · Apr 14, 2020 · US
Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows
US-2020032941-A1 · Jan 30, 2020 · US
Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows
US-2020032942-A1 · Jan 30, 2020 · US
Emergency detachment mechanism for fluid handling device
US-2020010314-A1 · Jan 9, 2020 · US
Fluid coupling
US-2019383433-A1 · Dec 19, 2019 · US
Coupling member
US-10487949-B2 · Nov 26, 2019 · US
Coupling element and coupling device comprising this coupling element
US-2019316718-A1 · Oct 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L29/04?
- CPC F16L29/04 is the Cooperative Patent Classification code for “with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied.”
- How many patents are filed under CPC F16L29/04 (with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC F16L29/04 growing?
- Publication counts under this code: 17 in 2024 vs 19 in 2025 (latest complete years).