Polyamide 46 multifilament
US-12584248-B2 · Mar 24, 2026 · US
Control of pressure, temperature or feeding rate
Control of pressure, temperature or feeding rate · 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 | D01D1/09 |
| Official title | Control of pressure, temperature or feeding rate |
| Display label | Control of pressure, temperature or feeding rate |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 10 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assembly comprising a center-fluid distributor and a multi-fiber spinneret
US-12577705-B2 · Mar 17, 2026 · US
Spinning beam
US-12553153-B2 · Feb 17, 2026 · US
Heated solution electrospinning
US-12540420-B2 · Feb 3, 2026 · US
Compositions, apparatuses and methods for making and using bioscaffolds
US-12503686-B2 · Dec 23, 2025 · US
Melt spinning apparatus for extruding a first melt and a second melt
US-2025305185-A1 · Oct 2, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2025250719-A1 · Aug 7, 2025 · US
Methods for manufacturing bulked continuous carpet filament
US-12343903-B2 · Jul 1, 2025 · US
Heated solution electrospinning
US-2025146183-A1 · May 8, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-12291799-B2 · May 6, 2025 · US
Method for producing spunbonded fabric
US-12286735-B2 · Apr 29, 2025 · US
Method to provide multifilament bundles of melt spun polymer filaments
US-2025066952-A1 · Feb 27, 2025 · US
Pressure-balancing feed-in container arrangement and method for feeding material
US-12234574-B2 · Feb 25, 2025 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2025051968-A1 · Feb 13, 2025 · US
Systems & methods for producing a bundle of a combination of filaments and/or a yarn
US-2025011973-A1 · Jan 9, 2025 · US
Method to provide multifilament bundles of melt spun polymer filaments
US-12173429-B2 · Dec 24, 2024 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-2024384445-A1 · Nov 21, 2024 · US
Systems and methods for producing a bundle of filaments and/or a yarn
US-12071713-B2 · Aug 27, 2024 · US
System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn
US-12031234-B2 · Jul 9, 2024 · US
System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn
US-11976385-B2 · May 7, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01D1/09?
- CPC D01D1/09 is the Cooperative Patent Classification code for “Control of pressure, temperature or feeding rate.”
- How many patents are filed under CPC D01D1/09 (Control of pressure, temperature or feeding rate)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC D01D1/09 growing?
- Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).