Circular knitting machine with assembly for needle and sinker selection
US-12534833-B2 · Jan 27, 2026 · US
Cam systems or assemblies for operating knitting instruments
Cam systems or assemblies for operating knitting instruments · 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 | D04B15/32 |
| Official title | Cam systems or assemblies for operating knitting instruments |
| Display label | Cam systems or assemblies for operating knitting instruments |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 5 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 7 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive chain for stitch formation members of a circular knitting machine and a circular knitting machine comprising such drive chain
US-12428760-B2 · Sep 30, 2025 · US
Support and control device for circular knitting machines
US-12359353-B2 · Jul 15, 2025 · US
A drive chain for stitch formation members of a circular knitting machine and a circular knitting machine comprising such drive chain
US-2025003121-A1 · Jan 2, 2025 · US
A circular knitting machine with sinker selection and related method for knitting
US-2024352633-A1 · Oct 24, 2024 · US
Circular knitting machine and a method for moving the needles of a circular knitting machine
US-12110620-B2 · Oct 8, 2024 · US
Support and control device for circular knitting machines
US-12110621-B2 · Oct 8, 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
A flat part for a knitting machine and a knitting machine comprising such flat part
US-2022243370-A1 · Aug 4, 2022 · US
A circular knitting machine and a method for moving the needles of a circular knitting machine
US-2022235501-A1 · Jul 28, 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-2022195644-A1 · Jun 23, 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
Circular knitting machine and a method for moving the needles of a circular knitting machine
US-11214899-B2 · Jan 4, 2022 · US
A circular knitting machine and a method for moving the needles of a circular knitting machine
US-2021108344-A1 · Apr 15, 2021 · US
A circular knitting machine and a method for moving the needles of a circular knitting machine
US-2020199794-A1 · Jun 25, 2020 · US
Knit fastener loop products
US-2019093264-A1 · Mar 28, 2019 · US
Needle-holding element for circular knitting machines
US-2017350047-A1 · Dec 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04B15/32?
- CPC D04B15/32 is the Cooperative Patent Classification code for “Cam systems or assemblies for operating knitting instruments.”
- How many patents are filed under CPC D04B15/32 (Cam systems or assemblies for operating knitting instruments)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC D04B15/32 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).