Fluid transfer connection interface design
US-11719148-B2 · Aug 8, 2023 · US
characterised by the use of additional sealing means
characterised by the use of additional sealing means · 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 | F16L33/18 |
| Official title | characterised by the use of additional sealing means |
| Display label | characterised by the use of additional sealing means |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 16 |
| 2023 | 9 |
| 2024 | 13 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hose connector
US-11608918-B2 · Mar 21, 2023 · US
Fluid couplings
US-11566738-B2 · Jan 31, 2023 · US
Resin tube fitting
US-11486525-B2 · Nov 1, 2022 · US
Fluid-tight hose connection
US-2022282816-A1 · Sep 8, 2022 · US
Device for connecting a tubular element, a combination of a device with a tubular element and a bonding compound, as well as a method for connecting the device with a tubular element
US-11435017-B2 · Sep 6, 2022 · US
Universal threadless connection
US-11421807-B2 · Aug 23, 2022 · US
Hose connection joint structure for battery cooling system
US-2022205566-A1 · Jun 30, 2022 · US
Seal ring and hose connector assembly
US-2022196190-A1 · Jun 23, 2022 · US
Retainer and pipe joint using retainer
US-2022154862-A1 · May 19, 2022 · US
Hose connector assembly
US-11333274-B2 · May 17, 2022 · US
Potted pipe fitting systems and methods
US-2022146026-A1 · May 12, 2022 · US
Fluid fitting
US-11306852-B2 · Apr 19, 2022 · US
Fluid couplings
US-2022065376-A1 · Mar 3, 2022 · US
Sealing arrangement, sealing sleeve and use thereof
US-2022057031-A1 · Feb 24, 2022 · US
Sealing device and medical device with at least one sealing device
US-11255469-B2 · Feb 22, 2022 · US
Potted pipe fitting systems and methods
US-11242948-B2 · Feb 8, 2022 · US
Self-retaining plug and compatible socket
US-11231135-B2 · Jan 25, 2022 · US
Suction-Extraction Attachment
US-2022003345-A1 · Jan 6, 2022 · US
Hose connector
US-2021372549-A1 · Dec 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L33/18?
- CPC F16L33/18 is the Cooperative Patent Classification code for “characterised by the use of additional sealing means.”
- How many patents are filed under CPC F16L33/18 (characterised by the use of additional sealing means)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC F16L33/18 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).