Machines systems and methods for making random fiber webs
US-12540422-B2 · Feb 3, 2026 · US
Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72)
Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72) · 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 | D01G15/46 |
| Official title | Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72) |
| Display label | Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Machines systems and methods for making random fiber webs
US-2023407529-A1 · Dec 21, 2023 · US
Machines systems and methods for making random fiber webs
US-11814754-B2 · Nov 14, 2023 · US
Fiberball padding with different fiberball shape for higher insulation
US-2023040449-A1 · Feb 9, 2023 · US
Fibers with chemical markers used for coding
US-11231408-B2 · Jan 25, 2022 · US
Machines systems and methods for making random fiber webs
US-2021355615-A1 · Nov 18, 2021 · US
Fibers with surface markings used for coding
US-10452873-B2 · Oct 22, 2019 · US
Spinning preparation machine
US-10378126-B2 · Aug 13, 2019 · US
Fibers with physical features used for coding
US-10127410-B2 · Nov 13, 2018 · US
Fibers with physical features used for coding
US-2018144161-A1 · May 24, 2018 · US
Fibers with multicomponent fibers used for coding
US-9972224-B2 · May 15, 2018 · US
Fibers with surface markings used for coding
US-2018082611-A1 · Mar 22, 2018 · US
Fibers with physical features used for coding
US-9916482-B2 · Mar 13, 2018 · US
Fibers with chemical markers used for coding
US-2018059090-A1 · Mar 1, 2018 · US
Fibers with surface markings used for coding
US-9865182-B2 · Jan 9, 2018 · US
Fibers with chemical markers used for coding
US-9851341-B2 · Dec 26, 2017 · US
Fibers with physical features used for coding
US-2017235978-A1 · Aug 17, 2017 · US
Card wire
US-9663877-B2 · May 30, 2017 · US
Fibers with physical features used for coding
US-9633579-B2 · Apr 25, 2017 · US
Spinning Preparation Machine
US-2017096753-A1 · Apr 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01G15/46?
- CPC D01G15/46 is the Cooperative Patent Classification code for “Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72).”
- How many patents are filed under CPC D01G15/46 (Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers (lap-forming devices D01G25/00; fibre condensing guides D01H5/72))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC D01G15/46 growing?
- Publication counts under this code: 1 in 2022 vs 3 in 2023 (latest complete years).