Method and arrangement for operating pump system
US-2024405705-A1 · Dec 5, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F04B49/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 600 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 38 |
| 2017 | 50 |
| 2018 | 55 |
| 2019 | 51 |
| 2020 | 57 |
| 2021 | 60 |
| 2022 | 71 |
| 2023 | 66 |
| 2024 | 63 |
| 2025 | 44 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumping cassette
US-2024066197-A1 · Feb 29, 2024 · US
Runaway valve system for a pump
US-2016377074-A1 · Dec 29, 2016 · US
Hydraulic apparatus having an improved structure for its commissioning
US-9518466-B2 · Dec 13, 2016 · US
Actuator controller and actuator control method
US-2016352280-A1 · Dec 1, 2016 · US
Method for controlling number of pumps, device for controlling number of pumps, pump system, heat source system, and program
US-2016341440-A1 · Nov 24, 2016 · US
Sump pump monitoring device and method
US-9500194-B2 · Nov 22, 2016 · US
System for heating a compressor assembly in an HVAC system
US-9482222-B2 · Nov 1, 2016 · US
Control system for variable displacement pump
US-9477231-B2 · Oct 25, 2016 · US
Management of the differential pressure thresholds of a vacuum pump connected to the braking system of a motor vehicle
US-2016264119-A1 · Sep 15, 2016 · US
Compressor over-load protection control method and apparatus
US-2016265828-A1 · Sep 15, 2016 · US
Cryopump and method for regenerating the cryopump
US-9440165-B2 · Sep 13, 2016 · US
Method and Device for Operating a Fuel Pump
US-2016252032-A1 · Sep 1, 2016 · US
Motor-driven compressor
US-2016245288-A1 · Aug 25, 2016 · US
System and method for priming a pump
US-2016222958-A1 · Aug 4, 2016 · US
Linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system
US-9399991-B2 · Jul 26, 2016 · US
Pumping cassette
US-2016175505-A1 · Jun 23, 2016 · US
Method and system for controlling electrical vacuum pump
US-2016173007-A1 · Jun 16, 2016 · US
Apparatus and method for controlling compressor, and refrigerator having the same
US-9366246-B2 · Jun 14, 2016 · US
Starter system for an engine
US-2016146174-A1 · May 26, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B49/02?
- CPC F04B49/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04B49/02 (Mechanical Engineering)?
- Our database includes 600 publications tagged with this CPC code.
- Is patent activity under CPC F04B49/02 growing?
- Publication counts under this code: 63 in 2024 vs 44 in 2025 (latest complete years).