Washable and reusable absorbent undergarment
US-2025255357-A1 · Aug 14, 2025 · US
Knickers for ladies, with or without inserted crotch or seat parts
Knickers for ladies, with or without inserted crotch or seat parts · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A41B9/04 |
| Official title | Knickers for ladies, with or without inserted crotch or seat parts |
| Display label | Knickers for ladies, with or without inserted crotch or seat parts |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Washable absorbent hygienic underwear
US-2025204614-A1 · Jun 26, 2025 · US
Washable absorbent undergarment
US-2025205091-A1 · Jun 26, 2025 · US
Genital concealing underwear for trans female gender presentation
US-12185768-B2 · Jan 7, 2025 · US
Durable underwear adapted for use with absorbent component
US-2025000722-A1 · Jan 2, 2025 · US
Durable underwear adapted for use with absorbent component
US-12121431-B2 · Oct 22, 2024 · US
Durable absorbent pant adapted for use with a removable absorbent insert
US-2024065901-A1 · Feb 29, 2024 · US
Genital concealing underwear for trans female gender presentation
US-2023284709-A1 · Sep 14, 2023 · US
Lower-Body Garment With Leak Protection Features
US-2023225437-A1 · Jul 20, 2023 · US
Upper and lower torso garments having an improved band
US-11653707-B2 · May 23, 2023 · US
Upper and lower torso garments having an improved band
US-2022287384-A1 · Sep 15, 2022 · US
Upper and lower torso garments having an improved band
US-11357270-B2 · Jun 14, 2022 · US
Durable underwear adapted for use with absorbent component
US-2021100698-A1 · Apr 8, 2021 · US
Garment with inner panel
US-10966468-B2 · Apr 6, 2021 · US
Leg product
US-10900151-B2 · Jan 26, 2021 · US
Bottom Garment
US-2020383385-A1 · Dec 10, 2020 · US
Shapewear garment with mesh regions
US-10829876-B2 · Nov 10, 2020 · US
Women's accessible bottom garment
US-2020068961-A1 · Mar 5, 2020 · US
Upper and lower torso garments having an improved band
US-2020068959-A1 · Mar 5, 2020 · US
Upper and lower torso garments having an improved band
US-10477903-B2 · Nov 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A41B9/04?
- CPC A41B9/04 is the Cooperative Patent Classification code for “Knickers for ladies, with or without inserted crotch or seat parts.”
- How many patents are filed under CPC A41B9/04 (Knickers for ladies, with or without inserted crotch or seat parts)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC A41B9/04 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).