Electronic device
US-12558684-B2 · Feb 24, 2026 · US
the valve being an elastic body, the length thereof changing in the opening direction
the valve being an elastic body, the length thereof changing in the opening direction · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B53/1072 |
| Official title | {the valve being an elastic body, the length thereof changing in the opening direction} |
| Display label | the valve being an elastic body, the length thereof changing in the opening direction |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic device
US-2023204025-A1 · Jun 29, 2023 · US
High pressure common rail fuel pump outlet check valve retainer
US-11624359-B2 · Apr 11, 2023 · US
Valve spring seat sleeve, valve assembly and plunger pump
US-11519405-B2 · Dec 6, 2022 · US
Pump container
US-2022372958-A1 · Nov 24, 2022 · US
Valve spring seat sleeve, valve assembly and plunger pump
US-2022341415-A1 · Oct 27, 2022 · US
Micro channel structure
US-11478794-B2 · Oct 25, 2022 · US
High pressure common rail fuel pump outlet check valve spring retainer method
US-2022003231-A1 · Jan 6, 2022 · US
High pressure common rail fuel pump outlet check valve spring retainer method
US-11149727-B2 · Oct 19, 2021 · US
Pump Body Assembly, Pump, Sprinkler System, and Unmanned Aerial Vehicle
US-2020362847-A1 · Nov 19, 2020 · US
Micro pump
US-10773017-B2 · Sep 15, 2020 · US
Micropump with electrostatic actuation
US-10767641-B2 · Sep 8, 2020 · US
Pump style dispense mechanism for flowable product packaging
US-10702878-B2 · Jul 7, 2020 · US
Micro channel structure
US-2020139368-A1 · May 7, 2020 · US
Pump Style Dispense Mechanism For Flowable Product Packaging
US-2020078807-A1 · Mar 12, 2020 · US
Motor/pump unit having a single elastic diaphragm
US-10508649-B2 · Dec 17, 2019 · US
Pump style dispense mechanism for flowable product packaging
US-10493476-B2 · Dec 3, 2019 · US
Micro pump
US-2019125965-A1 · May 2, 2019 · US
Diaphragm pump, ink supply system, and inkjet printer
US-10214022-B2 · Feb 26, 2019 · US
Pump Style Dispense Mechanism For Flowable Product Packaging
US-2018264495-A1 · Sep 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/1072?
- CPC F04B53/1072 is the Cooperative Patent Classification code for “the valve being an elastic body, the length thereof changing in the opening direction.”
- How many patents are filed under CPC F04B53/1072 (the valve being an elastic body, the length thereof changing in the opening direction)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/1072 growing?
- Publication counts under this code: 5 in 2022 vs 2 in 2023 (latest complete years).