Ear protection device
US-12274602-B2 · Apr 15, 2025 · US
Personal protection gear (shields for personal use F41H5/08; {footwear for use in minefields A43B3/0026}; for protection against chemical warfare A62B) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41H1/00 |
| Official title | Personal protection gear (shields for personal use F41H5/08; {footwear for use in minefields A43B3/0026}; for protection against chemical warfare A62B) |
| Display label | Personal protection gear (shields for personal use F41H5/08; {footwear for use in minefields A43B3/0026}; for protection against chemical warfare A62B) |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12274602-B2 · Apr 15, 2025 · US
US-2023338222-A1 · Oct 26, 2023 · US
US-11555101-B2 · Jan 17, 2023 · US
US-2022354699-A1 · Nov 10, 2022 · US
US-2021292515-A1 · Sep 23, 2021 · US
US-11124630-B2 · Sep 21, 2021 · US
US-2020095399-A1 · Mar 26, 2020 · US
US-10595580-B1 · Mar 24, 2020 · US
US-10571226-B2 · Feb 25, 2020 · US
US-10429253-B2 · Oct 1, 2019 · US
US-10306971-B2 · Jun 4, 2019 · US
US-2018295974-A1 · Oct 18, 2018 · US
US-2018077991-A1 · Mar 22, 2018 · US
US-9887775-B2 · Feb 6, 2018 · US
US-2017234655-A1 · Aug 17, 2017 · US
US-9726249-B2 · Aug 8, 2017 · US
US-2017167927-A1 · Jun 15, 2017 · US
US-2016273885-A1 · Sep 22, 2016 · US
US-9381728-B2 · Jul 5, 2016 · US
US-9255772-B2 · Feb 9, 2016 · US
Answers are generated from the same data shown on this page.