Patient interface
US-11491294-B2 · Nov 8, 2022 · US
incorporating elastic threads
incorporating elastic threads · 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 | D04B21/18 |
| Official title | incorporating elastic threads |
| Display label | incorporating elastic threads |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 14 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Woven/knit fabric
US-11486064-B2 · Nov 1, 2022 · US
Patient interface
US-2022241538-A1 · Aug 4, 2022 · US
Knitted component with at least one expandable yarn
US-2022240624-A1 · Aug 4, 2022 · US
Patient interface
US-2022168532-A1 · Jun 2, 2022 · US
Auxetic article
US-2022002917-A1 · Jan 6, 2022 · US
Woven/knit fabric
US-2021372015-A1 · Dec 2, 2021 · US
Implosion shield apparatus and method
US-2021364266-A1 · Nov 25, 2021 · US
Circumferentially continuous and constrictable textile sleeve and method of construction thereof
US-11168415-B2 · Nov 9, 2021 · US
Highly functional polyethylene fiber, and dyed highly functional polyethylene fiber
US-11155936-B2 · Oct 26, 2021 · US
Warp-knitted fabric
US-11105026-B2 · Aug 31, 2021 · US
Knitted shoe upper with integral eyelets
US-2021186156-A1 · Jun 24, 2021 · US
Interior material of vehicle
US-2021114339-A1 · Apr 22, 2021 · US
Stretchable member for shoe and shoe including the stretchable member
US-10941507-B2 · Mar 9, 2021 · US
Positioning and stabilising structure and patient interface
US-10912909-B2 · Feb 9, 2021 · US
Upper-torso garment with tubular-jacquard knit structure
US-10912340-B2 · Feb 9, 2021 · US
Leg product
US-10900151-B2 · Jan 26, 2021 · US
Elastic circular-knitted fabric
US-10876230-B2 · Dec 29, 2020 · US
Training tight with preconfigured compression zones and integrated structure patterns
US-2020360754-A1 · Nov 19, 2020 · US
Systems and methods for monitoring respiration in a biosensing garment
US-2020347531-A1 · Nov 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04B21/18?
- CPC D04B21/18 is the Cooperative Patent Classification code for “incorporating elastic threads.”
- How many patents are filed under CPC D04B21/18 (incorporating elastic threads)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC D04B21/18 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).