Oil pump for gas turbine engine and associated method of pumping oil
US-2024352890-A1 · Oct 24, 2024 · US
with actuating or actuated elements at the outer ends of the cylinders
with actuating or actuated elements at the outer ends of the cylinders · 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 | F04B1/047 |
| Official title | with actuating or actuated elements at the outer ends of the cylinders |
| Display label | with actuating or actuated elements at the outer ends of the cylinders |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cover, fluid end and plunger pump
US-12044234-B2 · Jul 23, 2024 · US
In and Relating to Pumps
US-2024018952-A1 · Jan 18, 2024 · US
Pumps
US-11815075-B2 · Nov 14, 2023 · US
Micro piston pump
US-2023358219-A1 · Nov 9, 2023 · US
Micro piston pump
US-11746765-B2 · Sep 5, 2023 · US
Hydraulic machine comprising bearings for supporting the rotating component
US-2023175496-A1 · Jun 8, 2023 · US
Linear frac pump assembly
US-2023160375-A1 · May 25, 2023 · US
Steering pivot pin forming an internal pneumatic passage
US-11654728-B2 · May 23, 2023 · US
Cover, fluid end and plunger pump
US-2023138582-A1 · May 4, 2023 · US
Micro piston pump
US-2022163024-A1 · May 26, 2022 · US
Hydraulic machine comprising an improved bearing
US-2022145866-A1 · May 12, 2022 · US
Micro piston pump
US-11280327-B2 · Mar 22, 2022 · US
Hydraulic machine including an improved braking system
US-11136976-B2 · Oct 5, 2021 · US
Improvements In and Relating to Pumps
US-2021222681-A1 · Jul 22, 2021 · US
Harmonic distribution radial piston hydraulic machine
US-11067066-B2 · Jul 20, 2021 · US
Braking system for a hydraulic machine
US-11067144-B2 · Jul 20, 2021 · US
Fluid working machine having first and second valve cylinder devices in fluid communication with each other via a common conduit
US-10995739-B2 · May 4, 2021 · US
Low disturbance cryocooler compressor
US-10947962-B1 · Mar 16, 2021 · US
Hydraulic machines and systems
US-2020386101-A1 · Dec 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B1/047?
- CPC F04B1/047 is the Cooperative Patent Classification code for “with actuating or actuated elements at the outer ends of the cylinders.”
- How many patents are filed under CPC F04B1/047 (with actuating or actuated elements at the outer ends of the cylinders)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC F04B1/047 growing?
- Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).