Method for operating a vacuum pump and vacuum pump
US-2024302852-A1 · Sep 12, 2024 · US
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Venting; Gas and vapour separation during pumping (preventing vapour lock in fuel pumps F02M37/20, in centrifugal pumps F04D9/00)
Venting; Gas and vapour separation during pumping (preventing vapour lock in fuel pumps F02M37/20, in centrifugal pumps F04D9/00) · 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 | F04C13/007 |
| Official title | {Venting; Gas and vapour separation during pumping (preventing vapour lock in fuel pumps F02M37/20, in centrifugal pumps F04D9/00)} |
| Display label | Venting; Gas and vapour separation during pumping (preventing vapour lock in fuel pumps F02M37/20, in centrifugal pumps F04D9/00) |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control device, control system, control method, recording medium and machine learning device
US-11396876-B2 · Jul 26, 2022 · US
Internal gear pump
US-11319811-B2 · May 3, 2022 · US
Internal gear pump
US-2021095566-A1 · Apr 1, 2021 · US
Oil pump
US-2020191142-A1 · Jun 18, 2020 · US
Fluid pump with rotating pumping element wear reduction
US-10584701-B2 · Mar 10, 2020 · US
Oil pump
US-2020032789-A1 · Jan 30, 2020 · US
Control device, control system, control method, recording medium and machine learning device
US-2019368490-A1 · Dec 5, 2019 · US
Mud pump and vacuum gas extraction system
US-10463989-B2 · Nov 5, 2019 · US
Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluid
US-10393115-B2 · Aug 27, 2019 · US
Oil pump
US-2019178246-A1 · Jun 13, 2019 · US
Pump for an additive
US-10280920-B2 · May 7, 2019 · US
Mud Pump and Vacuum Gas Extraction System
US-2018333658-A1 · Nov 22, 2018 · US
Mud pump and vacuum gas extraction system
US-10035083-B2 · Jul 31, 2018 · US
Liquid pump including a gas accumulation area and rankine cycle device including a liquid pump
US-9850783-B2 · Dec 26, 2017 · US
Pump for an additive
US-2017335845-A1 · Nov 23, 2017 · US
Vehicle
US-9809186-B2 · Nov 7, 2017 · US
Trochoid pump with air ejection port
US-9784270-B2 · Oct 10, 2017 · US
Mud Pump and Vacuum Gas Extraction System
US-2017259192-A1 · Sep 14, 2017 · US
Hydraulic circuit for transmissions
US-9534683-B2 · Jan 3, 2017 · US