Rotating piston for pumps
US-10859162-B2 · Dec 8, 2020 · US
Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts · 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 | F04B15/00 |
| Official title | Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts |
| Display label | Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston ring, reciprocating compressor, method for selecting piston ring and method for evaluating life of piston ring
US-2020340582-A1 · Oct 29, 2020 · US
Pump protection method and system
US-10815987-B2 · Oct 27, 2020 · US
Foam pumps, refill units and dispensers with differential bore suck-back mechanism
US-10786121-B2 · Sep 29, 2020 · US
Pump for liquid product comprising a sealing device and spraying installation comprising such a pump
US-2020232456-A1 · Jul 23, 2020 · US
Displacement Pump For Medical Liquids, Blood Treatment Device, And Method For Controlling Same
US-2019383282-A1 · Dec 19, 2019 · US
Method of calibrating a pump output
US-2019360475-A1 · Nov 28, 2019 · US
Piston pump and seal ring
US-2019316582-A1 · Oct 17, 2019 · US
Foam pumps, refill units and dispensers with differential bore suck-back mechanism
US-2019298115-A1 · Oct 3, 2019 · US
Fluted piston components for pumps
US-10428942-B2 · Oct 1, 2019 · US
Closed circulation system for improving operating efficiency of gas drainage pump
US-2019286174-A1 · Sep 19, 2019 · US
Multiple-Pump Valve Monitoring System
US-2019271305-A1 · Sep 5, 2019 · US
Rotating piston for pumps
US-2019271396-A1 · Sep 5, 2019 · US
Inverter module for driving a plurality of compressors and method for controlling the same
US-10371140-B2 · Aug 6, 2019 · US
Rotating piston for pumps
US-10337614-B2 · Jul 2, 2019 · US
Reduction of cavitation in fuel pumps
US-2019178245-A1 · Jun 13, 2019 · US
Valvular conduit
US-10299636-B2 · May 28, 2019 · US
Packer for annular blowout preventer
US-10287841-B2 · May 14, 2019 · US
Manually actuatable feed pump and fuel system with a feed pump
US-10240568-B2 · Mar 26, 2019 · US
Systems and methods for pump slip sensing
US-2019024655-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B15/00?
- CPC F04B15/00 is the Cooperative Patent Classification code for “Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts.”
- How many patents are filed under CPC F04B15/00 (Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC F04B15/00 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).