Cut-resistant polyethylene yarn
US-2023357966-A1 · Nov 9, 2023 · US
Stretching in two or more steps, with or without intermediate steps
Stretching in two or more steps, with or without intermediate steps · 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 | D02J1/228 |
| Official title | {Stretching in two or more steps, with or without intermediate steps} |
| Display label | Stretching in two or more steps, with or without intermediate steps |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 10 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cut-resistant polyethylene yarn
US-2023357965-A1 · Nov 9, 2023 · US
Method for producing polyacetal fiber
US-11761121-B2 · Sep 19, 2023 · US
Additive for fiber strengthening
US-2023105003-A1 · Apr 6, 2023 · US
Method of making a nonwoven web
US-2023107550-A1 · Apr 6, 2023 · US
Polyamide 46 multifilament
US-2023076788-A1 · Mar 9, 2023 · US
Method for Manufacturing Protein Fiber, Method for Manufacturing Protein Fiber Fabric, and Shrink-Proofing Method for Protein Fiber
US-2023039765-A1 · Feb 9, 2023 · US
Additive for fiber strengthening
US-11560461-B2 · Jan 24, 2023 · US
Method of making a nonwoven web
US-11560658-B2 · Jan 24, 2023 · US
Elastic fiber, elastic fiber covered yarn and reeling manufacturing methods thereof
US-2023002938-A1 · Jan 5, 2023 · US
Carbon fiber and method of forming the same
US-2022389624-A1 · Dec 8, 2022 · US
Method to produce micro and nanofibers with controlled diameter and large yield
US-11384456-B2 · Jul 12, 2022 · US
Continuous method for producing a thermally stabilized multifilament thread, multifilament thread, and fiber
US-11242623-B2 · Feb 8, 2022 · US
Continuous method and system for the production of at least one polymeric yarn and polymeric yarn
US-11021811-B2 · Jun 1, 2021 · US
Method to Produce Micro and Nanofibers with Controlled Diameter and Large Yield
US-2021047758-A1 · Feb 18, 2021 · US
Polyamide multifilament and knitted lace manufactured using same
US-2021040650-A1 · Feb 11, 2021 · US
Method to produce micro and nanofibers with controlled diameter and large yield
US-10837131-B2 · Nov 17, 2020 · US
Soft nonwoven webs and methods of making the same
US-2020224346-A1 · Jul 16, 2020 · US
Process and apparatus for the production of a low-shrinkage aliphatic polyamide yarn, and low-shrinkage yarn
US-2020208302-A1 · Jul 2, 2020 · US
Method for producing polyacetal fiber
US-2020199787-A1 · Jun 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D02J1/228?
- CPC D02J1/228 is the Cooperative Patent Classification code for “Stretching in two or more steps, with or without intermediate steps.”
- How many patents are filed under CPC D02J1/228 (Stretching in two or more steps, with or without intermediate steps)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC D02J1/228 growing?
- Publication counts under this code: 10 in 2023 vs 3 in 2024 (latest complete years).