Shell stator for a vacuum pump
US-2025369356-A1 · Dec 4, 2025 · US
of resilient material · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04C27/003 |
| Official title | {of resilient material} |
| Display label | of resilient material |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025369356-A1 · Dec 4, 2025 · US
US-2025369443-A1 · Dec 4, 2025 · US
US-2025361865-A1 · Nov 27, 2025 · US
US-12385489-B2 · Aug 12, 2025 · US
US-2025188931-A1 · Jun 12, 2025 · US
US-12305646-B2 · May 20, 2025 · US
US-2023323888-A1 · Oct 12, 2023 · US
US-2023313803-A1 · Oct 5, 2023 · US
US-11761452-B2 · Sep 19, 2023 · US
US-2022307503-A1 · Sep 29, 2022 · US
US-2022003239-A1 · Jan 6, 2022 · US
US-2021404468-A1 · Dec 30, 2021 · US
US-11098718-B2 · Aug 24, 2021 · US
US-11002272-B2 · May 11, 2021 · US
US-2020240414-A1 · Jul 30, 2020 · US
US-2019285066-A1 · Sep 19, 2019 · US
US-10371147-B2 · Aug 6, 2019 · US
US-10253773-B2 · Apr 9, 2019 · US
US-10215175-B2 · Feb 26, 2019 · US
US-9945380-B2 · Apr 17, 2018 · US
Answers are generated from the same data shown on this page.