Hose connection system
US-2019234541-A1 · Aug 1, 2019 · US
Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member · 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 | F16L19/02 |
| Official title | Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member |
| Display label | Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member |
| Total patents | 127 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 18 |
| 2020 | 7 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Connector for fluid chromatography
US-10335793-B2 · Jul 2, 2019 · US
Breathing tube for a respirator and respirator
US-2019192885-A1 · Jun 27, 2019 · US
Sterile Connector
US-2019083772-A1 · Mar 21, 2019 · US
Fluid fitting
US-2019040982-A1 · Feb 7, 2019 · US
Connection arrangement comprising a hydraulic connection element
US-2018328327-A1 · Nov 15, 2018 · US
Oil control valve unit and motorcycle
US-2018313237-A1 · Nov 1, 2018 · US
Probe adaptor assembly
US-2018226239-A1 · Aug 9, 2018 · US
Component retaining structure for conduit fitting
US-2018195651-A1 · Jul 12, 2018 · US
Extraction Device For Removing An Adapter Secured In A Port
US-2018180204-A1 · Jun 28, 2018 · US
Bulkhead fitting assembly
US-9995418-B2 · Jun 12, 2018 · US
Bulkhead fitting assembly and method of sealing a bulkhead opening
US-9989176-B2 · Jun 5, 2018 · US
Probe adaptor assembly
US-9947522-B2 · Apr 17, 2018 · US
Extraction device for removing an adapter secured in a port
US-9939090-B2 · Apr 10, 2018 · US
Scaffolding pipe of a structural scaffolding system and scaffolding element
US-9920541-B2 · Mar 20, 2018 · US
Bulkhead fitting assembly and method of making
US-9885434-B2 · Feb 6, 2018 · US
Conduit fitting with torque collar
US-9851032-B2 · Dec 26, 2017 · US
Hand tightened hydraulic fitting
US-9803783-B2 · Oct 31, 2017 · US
Structure of resin-made pipe joint
US-2017299097-A1 · Oct 19, 2017 · US
Probe Adaptor Assembly
US-2017294296-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L19/02?
- CPC F16L19/02 is the Cooperative Patent Classification code for “Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member.”
- How many patents are filed under CPC F16L19/02 (Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member)?
- Our database includes 127 publications tagged with this CPC code.
- Is patent activity under CPC F16L19/02 growing?
- Publication counts under this code: 11 in 2024 vs 2 in 2025 (latest complete years).