Facemasks with Material Layers for Enhanced Bonding Process
US-2025194715-A1 · Jun 19, 2025 · US
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with a duckbill configuration
with a duckbill configuration · 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 | A41D13/1123 |
| Official title | {with a duckbill configuration} |
| Display label | with a duckbill configuration |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Facemasks with material layers for enhanced bonding process
US-12285061-B2 · Apr 29, 2025 · US
Maintenance-free respirator that has concave portions on opposing sides of mask top section
US-12245648-B2 · Mar 11, 2025 · US
Disposable respirator
US-12053040-B2 · Aug 6, 2024 · US
Maintenance-free respirator that has concave portions on opposing sides of mask top section
US-11877604-B2 · Jan 23, 2024 · US
Maintenance-free respirator that has concave portions on opposing sides of mask top section
US-2023363475-A1 · Nov 16, 2023 · US
Disposable respirator
US-2023232917-A1 · Jul 27, 2023 · US
Face mask with separate inhaling and exhaling portions
US-11064745-B1 · Jul 20, 2021 · US
Maintenance-free respirator that has concave portions on opposing sides of mask top section
US-2021015184-A1 · Jan 21, 2021 · US
Maintenance-free respirator that has concave portions on opposing sides of mask top section
US-10827787-B2 · Nov 10, 2020 · US
Method and system for splicing nose wire in a facemask manufacturing process
US-10494221-B2 · Dec 3, 2019 · US
Method and system for introducing a reserve nose wire in a facemask production line
US-10492547-B2 · Dec 3, 2019 · US
Method and system for cutting and placing nose wires in a facemask manufacturing process
US-10227202-B2 · Mar 12, 2019 · US
Facemask and Method of Manufacturing Same
US-2019000163-A1 · Jan 3, 2019 · US
Facemasks with Material Layers for Enhanced Bonding Process
US-2019000162-A1 · Jan 3, 2019 · US
Anti-Fog Ventilating Face Masks
US-2018343938-A1 · Dec 6, 2018 · US
Method for cutting and placing nose wires in a facemask manufacturing process
US-10143246-B2 · Dec 4, 2018 · US
Method and System for Splicing Nose Wire in a Facemask Manufacturing Process
US-2018312368-A1 · Nov 1, 2018 · US
Method and System for Cutting and Placing Nose Wires in a Facemask Manufacturing Process
US-2018208426-A1 · Jul 26, 2018 · US
Method and System for Introducing a Reserve Nose Wire in a Facemask Production Line
US-2018206562-A1 · Jul 26, 2018 · US