Durable pilling resistant nonwoven insulation
US-2024229313-A9 · Jul 11, 2024 · US
Olefin series
Olefin series · 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 | D04H1/544 |
| Official title | Olefin series |
| Display label | Olefin series |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 3 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 12 |
| 2024 | 16 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shock pad for synthetic turf and methods for making same
US-11131068-B2 · Sep 28, 2021 · US
Spunbonded nonwoven with crimped fine fibers
US-11091861-B2 · Aug 17, 2021 · US
Thermoplastic polymeric materials with heat activatable compositions
US-11090407-B2 · Aug 17, 2021 · US
Apertured nonwoven web and method of forming the same
US-2021236344-A1 · Aug 5, 2021 · US
Melt-blown webs with improved properties
US-11053371-B2 · Jul 6, 2021 · US
Method for making a spunbonded high loft nonwoven web
US-11021821-B2 · Jun 1, 2021 · US
Efficient low-resistance micro-nano-fiber microscopic gradient structure filtration material, and preparation method therefor
US-2021154606-A1 · May 27, 2021 · US
Method of forming melt-blown non-wovens
US-10982022-B2 · Apr 20, 2021 · US
Spunbonded non-woven fabric and method for manufacturing same
US-2021040298-A1 · Feb 11, 2021 · US
Melt-blown webs without shots and with improved barrier properties
US-10870937-B2 · Dec 22, 2020 · US
Spunbonded non-woven fabric and method for manufacturing same
US-10844205-B2 · Nov 24, 2020 · US
Nonwoven thermal bonding pattern with low fuzz
US-10821037-B2 · Nov 3, 2020 · US
Filter medium with non-woven as single-layer fiber composite and method for producing such a filter medium
US-2020324235-A1 · Oct 15, 2020 · US
High quality melt-blown webs with improved barrier properties
US-2020325607-A1 · Oct 15, 2020 · US
Shock Pad for Synthetic Turf and Methods for Making Same
US-2020224373-A1 · Jul 16, 2020 · US
Melt-blown webs with improved properties
US-2020207943-A1 · Jul 2, 2020 · US
Methods of creating soft and lofty nonwoven webs
US-2020173075-A1 · Jun 4, 2020 · US
Nonwoven thermal bonding pattern with low fuzz
US-10667963-B2 · Jun 2, 2020 · US
Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
US-2020087428-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/544?
- CPC D04H1/544 is the Cooperative Patent Classification code for “Olefin series.”
- How many patents are filed under CPC D04H1/544 (Olefin series)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/544 growing?
- Publication counts under this code: 16 in 2024 vs 10 in 2025 (latest complete years).