Method of forming a diaphragm for a liquid pump
US-12523213-B2 · Jan 13, 2026 · US
fluid-driven, e.g. by compressed combustion-air · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02M37/12 |
| Official title | fluid-driven, e.g. by compressed combustion-air |
| Display label | fluid-driven, e.g. by compressed combustion-air |
| Total patents | 34 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12523213-B2 · Jan 13, 2026 · US
US-12421924-B2 · Sep 23, 2025 · US
US-12049906-B2 · Jul 30, 2024 · US
US-2023407827-A1 · Dec 21, 2023 · US
US-2023358252-A1 · Nov 9, 2023 · US
US-11591989-B2 · Feb 28, 2023 · US
US-2022412337-A1 · Dec 29, 2022 · US
US-11408383-B2 · Aug 9, 2022 · US
US-2022003193-A1 · Jan 6, 2022 · US
US-11105429-B2 · Aug 31, 2021 · US
US-11067044-B2 · Jul 20, 2021 · US
US-2021190016-A1 · Jun 24, 2021 · US
US-11008978-B2 · May 18, 2021 · US
US-2021070464-A1 · Mar 11, 2021 · US
US-2020284225-A1 · Sep 10, 2020 · US
US-2019360440-A1 · Nov 28, 2019 · US
US-10309424-B1 · Jun 4, 2019 · US
US-2019162177-A1 · May 30, 2019 · US
US-2019154062-A1 · May 23, 2019 · US
US-2019120391-A1 · Apr 25, 2019 · US
Answers are generated from the same data shown on this page.