Ultrasonic welding of fabrics for sleep apnea treatment
US-2026021267-A1 · Jan 22, 2026 · US
Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304)
Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C66/436 |
| Official title | {Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304)} |
| Display label | Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304) |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultrasonic welding of fabrics for sleep apnea treatment
US-12409292-B2 · Sep 9, 2025 · US
Three-dimensional mesh structures and method of assembly
US-2024308165-A1 · Sep 19, 2024 · US
Vented garment
US-12035770-B2 · Jul 16, 2024 · US
Method for manufacturing air bag, air bag, and vehicle seat apparatus
US-11850806-B2 · Dec 26, 2023 · US
Ultrasonic welding of fabrics for sleep apnea treatment
US-2022370749-A1 · Nov 24, 2022 · US
Ultrasonic welding of fabrics for sleep apnea treatment
US-11458271-B2 · Oct 4, 2022 · US
Cold weather vented garment
US-11229250-B2 · Jan 25, 2022 · US
Method for manufacturing air bag, air bag, and vehicle seat apparatus
US-2021354401-A1 · Nov 18, 2021 · US
Cold weather vented garment
US-10806199-B2 · Oct 20, 2020 · US
Absorbent body and device for producing same
US-10751230-B2 · Aug 25, 2020 · US
Cold weather vented garment
US-10694797-B2 · Jun 30, 2020 · US
Cold weather vented garment
US-2019289939-A1 · Sep 26, 2019 · US
Ultrasonic welding of fabrics for sleep apnea treatment
US-2019247604-A1 · Aug 15, 2019 · US
Cold weather vented garment
US-10362820-B2 · Jul 30, 2019 · US
Non-continuously laminated structures of thermoplastic films with differing material compositions and functional material properties
US-10293981-B2 · May 21, 2019 · US
Ultrasonic welding of fabrics for sleep apnea treatment
US-10207072-B2 · Feb 19, 2019 · US
Multi-layered bags with discrete non-continuous lamination
US-10196176-B2 · Feb 5, 2019 · US
Non-continuously laminated structures of thermoplastic films with differing material compositions and functional material properties
US-2018244433-A1 · Aug 30, 2018 · US
Non-continuously laminated multi-layered bags
US-9950841-B2 · Apr 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C66/436?
- CPC B29C66/436 is the Cooperative Patent Classification code for “Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304).”
- How many patents are filed under CPC B29C66/436 (Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material, e.g. car seats (joining through openings B29C66/304))?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC B29C66/436 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).