Element for compressing a gas and method for controlling such element
US-2024376894-A1 · Nov 14, 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 | F04C2/16 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 182 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 16 |
| 2019 | 21 |
| 2020 | 16 |
| 2021 | 15 |
| 2022 | 24 |
| 2023 | 16 |
| 2024 | 22 |
| 2025 | 15 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear pump or gear motor
US-2019338769-A1 · Nov 7, 2019 · US
Screw compressor having synchronized economizer ports
US-2019323503-A1 · Oct 24, 2019 · US
Compressor having non-contact and contact seals
US-10451061-B2 · Oct 22, 2019 · US
Method of determining pump flow in twin screw positive displacement pumps
US-10451471-B2 · Oct 22, 2019 · US
Rotational pump and method
US-2019309602-A1 · Oct 10, 2019 · US
Screw compressor
US-2019186490-A1 · Jun 20, 2019 · US
Biomass cake pressure-feeding apparatus
US-10322390-B2 · Jun 18, 2019 · US
Passage arrangement for cooling, lubricating and reducing the size of rotary machines
US-10309398-B1 · Jun 4, 2019 · US
Screw pump
US-2019078566-A1 · Mar 14, 2019 · US
Screw compressor
US-10197058-B2 · Feb 5, 2019 · US
Compressor Unit and Method for Operating a Compressor Unit
US-2019032655-A1 · Jan 31, 2019 · US
Screw pump
US-2019017504-A1 · Jan 17, 2019 · US
Low inertia laminated rotor
US-2018372101-A1 · Dec 27, 2018 · US
Gear pump device for rubber extrusion
US-2018320686-A1 · Nov 8, 2018 · US
Multi-phase pump with cooled liquid reservoir
US-2018320685-A1 · Nov 8, 2018 · US
Multi-phase pumping system with self-purging filtration
US-2018311598-A1 · Nov 1, 2018 · US
Method of manufacturing a screw pump without undercut and/or screw pump which can have lubrication channels on at least one of the drive screw and running screws
US-10113545-B2 · Oct 30, 2018 · US
Method and Device for Separating Solids and Liquids using a Modified Pump
US-2018280840-A1 · Oct 4, 2018 · US
Biomass cake pressure-feeding apparatus
US-2018272302-A1 · Sep 27, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2/16?
- CPC F04C2/16 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04C2/16 (Mechanical Engineering)?
- Our database includes 182 publications tagged with this CPC code.
- Is patent activity under CPC F04C2/16 growing?
- Publication counts under this code: 22 in 2024 vs 15 in 2025 (latest complete years).