Knitting system and needle for knitting machines
US-12553162-B2 · Feb 17, 2026 · US
Needle cylinders
Needle cylinders · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D04B15/14 |
| Official title | Needle cylinders |
| Display label | Needle cylinders |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circular knitting machine with assembly for needle and sinker selection
US-12534833-B2 · Jan 27, 2026 · US
Double knit circular knitted fabric, manufacturing method thereof, knitted product, and knitted fabric holding attachment
US-12473671-B2 · Nov 18, 2025 · US
Double knit circular knitted fabric, manufacturing method thereof, knitted product, and knitted fabric holding attachment
US-2025137176-A1 · May 1, 2025 · US
A circular knitting machine with sinker selection and related method for knitting
US-2024352633-A1 · Oct 24, 2024 · US
Knitting system and needle for knitting machines
US-2024352635-A1 · Oct 24, 2024 · US
Needle-holding unit for a circular knitting machine
US-12091787-B2 · Sep 17, 2024 · US
A circular knitting machine with assembly for needle and sinker selection
US-2024301598-A1 · Sep 12, 2024 · US
Knitting machine parts and method for production thereof
US-11578436-B2 · Feb 14, 2023 · US
Sample injection device
US-11493485-B2 · Nov 8, 2022 · US
Device for loop-forming, sinker means and method for loop forming
US-11414797-B2 · Aug 16, 2022 · US
Needle-holding unit for a circular knitting machine
US-2022228304-A1 · Jul 21, 2022 · US
Support and control device for circular knitting machines
US-2022186413-A1 · Jun 16, 2022 · US
Circular knitting machine and a method for moving the needles of a circular knitting machine
US-11225736-B2 · Jan 18, 2022 · US
Device for loop-forming, sinker means and method for loop forming
US-2021310164-A1 · Oct 7, 2021 · US
Sample injection device
US-2021270782-A1 · Sep 2, 2021 · US
A circular knitting machine and a method for moving the needles of a circular knitting machine
US-2021108344-A1 · Apr 15, 2021 · US
Knitting Machine Parts and Method for Production Thereof
US-2021054547-A1 · Feb 25, 2021 · US
Needle-holding element for circular knitting machines
US-10697096-B2 · Jun 30, 2020 · US
Circular knitting machine
US-10287715-B2 · May 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04B15/14?
- CPC D04B15/14 is the Cooperative Patent Classification code for “Needle cylinders.”
- How many patents are filed under CPC D04B15/14 (Needle cylinders)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC D04B15/14 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).