Over mandrel extrusion for composite PCP stator
US-12285897-B2 · Apr 29, 2025 · US
Pleated {or corrugated} hoses
Pleated {or corrugated} hoses · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29D23/18 |
| Official title | Pleated {or corrugated} hoses |
| Display label | Pleated {or corrugated} hoses |
| Total patents | 61 |
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 | 7 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flexible thermoplastic driveshaft
US-12220881-B2 · Feb 11, 2025 · US
Components for medical circuits
US-2024399097-A1 · Dec 5, 2024 · US
Ventilation hose and method for producing a ventilation hose
US-2024366904-A1 · Nov 7, 2024 · US
Apparatus and method for manufacturing pipe
US-2024217151-A1 · Jul 4, 2024 · US
Components for medical circuits
US-12011543-B2 · Jun 18, 2024 · US
Components for medical circuits
US-2024157083-A1 · May 16, 2024 · US
Resin filler tube and manufacturing method for the same
US-11919384-B2 · Mar 5, 2024 · US
Method and apparatus for applying labels to cable
US-11827409-B1 · Nov 28, 2023 · US
Components for medical circuits
US-11819622-B2 · Nov 21, 2023 · US
Over mandrel extrusion for composite pcp stator
US-2023234274-A1 · Jul 27, 2023 · US
Method and apparatus for applying labels to cable
US-11667085-B1 · Jun 6, 2023 · US
Method and apparatus for applying labels to cable
US-11498715-B1 · Nov 15, 2022 · US
Slip coupling for a work machine
US-11486451-B2 · Nov 1, 2022 · US
Method for manufacturing a waterproof felt duct and a waterproof felt duct
US-11401898-B2 · Aug 2, 2022 · US
Corrugated tube and method for manufacturing same
US-11346471-B2 · May 31, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-2022143933-A1 · May 12, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-11260605-B2 · Mar 1, 2022 · US
Method and apparatus for applying labels to cable
US-11247404-B1 · Feb 15, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-2021221072-A1 · Jul 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29D23/18?
- CPC B29D23/18 is the Cooperative Patent Classification code for “Pleated {or corrugated} hoses.”
- How many patents are filed under CPC B29D23/18 (Pleated {or corrugated} hoses)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC B29D23/18 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).