Corrosion-free welded connection for reinforced thermoplastic pipes (RTP)
US-12276358-B2 · Apr 15, 2025 · US
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by welding
by welding · 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 | F16L23/026 |
| Official title | by welding |
| Display label | by welding |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flange, and pipe and flange structure
US-12233689-B2 · Feb 25, 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
Corrosion-free welded connection for reinforced thermoplastic pipes (rtp)
US-2024263724-A1 · Aug 8, 2024 · US
Method of manufacturing connection member
US-11951521-B2 · Apr 9, 2024 · US
Flanged joint and method of fluidly connecting two components
US-11906087-B2 · Feb 20, 2024 · US
Flange, pipe, and flange structure
US-2023294487-A1 · Sep 21, 2023 · US
Flanged joint and method of fluidly connecting two components
US-2022090713-A1 · Mar 24, 2022 · US
Flange connection assembly and the assembly / disassembly method thereof, piping connection device and chiller unit
US-11262007-B2 · Mar 1, 2022 · US
Method of manufacturing connection member
US-2021346931-A1 · Nov 11, 2021 · US
Piping system for air conditioner
US-2021316592-A1 · Oct 14, 2021 · US
Coupling for electric vehicle battery pack
US-11028947-B2 · Jun 8, 2021 · US
Flange connection assembly and the assembly / disassembly method thereof, piping connection device and chiller unit
US-2020318762-A1 · Oct 8, 2020 · US
Length compensator
US-2020191304-A1 · Jun 18, 2020 · US
Triple-weld fitting
US-10627033-B2 · Apr 21, 2020 · US
Ground connect duct for environmental control systems
US-10179661-B2 · Jan 15, 2019 · US
Triple-weld fitting
US-2018066781-A1 · Mar 8, 2018 · US
Dissimilar piping joint at high temperature, high pressure transient and under cyclic loading
US-2017314715-A1 · Nov 2, 2017 · US
Ground connect duct for environmental control systems
US-2017144777-A1 · May 25, 2017 · US
Cooling tube for a ram air fan (RAF) assembly
US-9366367-B2 · Jun 14, 2016 · US