Needle board and method for populating a needle board
US-12049717-B2 · Jul 30, 2024 · US
by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00)
by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00) · 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 | D04H1/46 |
| Official title | by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00) |
| Display label | by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00) |
| Total patents | 285 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 24 |
| 2017 | 31 |
| 2018 | 23 |
| 2019 | 24 |
| 2020 | 34 |
| 2021 | 18 |
| 2022 | 27 |
| 2023 | 14 |
| 2024 | 39 |
| 2025 | 22 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Skin-core structure fibers with both infrared and radar stealth, preparation method therefor, and use thereof
US-2024175661-A1 · May 30, 2024 · US
Methods of forming an artificial leather substrate from leather waste and products therefrom
US-9822481-B2 · Nov 21, 2017 · US
Fabric having tobacco entangled with structural fibers
US-9814261-B2 · Nov 14, 2017 · US
Heat-insulating protective member for skid post and method for applying the heat-insulating protective member for skid post
US-2017314186-A1 · Nov 2, 2017 · US
Non-woven fabric board for exterior of vehicle and method for manufacturing same
US-2017306538-A1 · Oct 26, 2017 · US
Compositions comprising microfibrilated cellulose and polymers and methods of manufacturing fibres and nonwoven materials therefrom
US-2017306562-A1 · Oct 26, 2017 · US
Needling Additive for the Manufacture of Needle Felts of Mineral Wool and Needle Felt Manufactured Therewith
US-2017298184-A1 · Oct 19, 2017 · US
Methods and systems for forming a fibrous preform
US-2017268141-A1 · Sep 21, 2017 · US
Fabric and method for producing same
US-9765481-B2 · Sep 19, 2017 · US
Mounting mat for a pollution control device
US-9765458-B2 · Sep 19, 2017 · US
Differential needling of a carbon fiber preform
US-2017239911-A1 · Aug 24, 2017 · US
Fibers and articles including them
US-2017029991-A1 · Feb 2, 2017 · US
Low z high performance carbon composite materials
US-9546438-B2 · Jan 17, 2017 · US
Mounting mat including inorganic nanoparticles and method for making the same
US-2016341094-A1 · Nov 24, 2016 · US
Non-woven underbody shield
US-2016333510-A1 · Nov 17, 2016 · US
Low z high performance carbon composite materials
US-2016312390-A1 · Oct 27, 2016 · US
System and method for multiple surface air jet needling
US-2016281282-A1 · Sep 29, 2016 · US
High temperature resistant insulation mat
US-9452719-B2 · Sep 27, 2016 · US
High Temperature Resistant Insulation Mat
US-2016244001-A1 · Aug 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/46?
- CPC D04H1/46 is the Cooperative Patent Classification code for “by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00).”
- How many patents are filed under CPC D04H1/46 (by needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00))?
- Our database includes 285 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/46 growing?
- Publication counts under this code: 39 in 2024 vs 22 in 2025 (latest complete years).