Piston of internal combustion engine
US-2018372021-A1 · Dec 27, 2018 · US
with means for guiding fluids (F16J1/08 takes precedence)
with means for guiding fluids (F16J1/08 takes precedence) · 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 | F16J1/09 |
| Official title | with means for guiding fluids (F16J1/08 takes precedence) |
| Display label | with means for guiding fluids (F16J1/08 takes precedence) |
| Total patents | 162 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 16 |
| 2021 | 16 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston ring sealing for pneumatic actuator
US-10094472-B2 · Oct 9, 2018 · US
Accumulator piston, in particular for a pressure medium accumulator of a hydraulic unit of an electronically slip-controllable vehicle brake system
US-2018266443-A1 · Sep 20, 2018 · US
Piston for an internal combustion engine
US-2018216733-A1 · Aug 2, 2018 · US
Piston of axial piston pump motor, cylinder block of axial piston pump motor, and axial piston pump motor
US-9964211-B2 · May 8, 2018 · US
Piston housing system and apparatus
US-9958068-B2 · May 1, 2018 · US
Piston device and pressure regulator using same
US-9920835-B2 · Mar 20, 2018 · US
Hydraulic Damper Having Self-Adjusting Wear Band
US-2018038443-A1 · Feb 8, 2018 · US
Actuator with screw-in gland and detent structure
US-9851005-B2 · Dec 26, 2017 · US
Piston comprising a piston head cooled by splash lubrication
US-9828939-B2 · Nov 28, 2017 · US
Method of manufacturing piston of pump for brake system and pump for brake system including the piston
US-2017333963-A1 · Nov 23, 2017 · US
Axial piston device
US-9822876-B2 · Nov 21, 2017 · US
Accumulator membrane for a hydraulic hammer
US-9822802-B2 · Nov 21, 2017 · US
Oil-cooled piston for an internal combustion engine
US-9797337-B2 · Oct 24, 2017 · US
Piston with variable depth groove root
US-2017284544-A1 · Oct 5, 2017 · US
Transmission and transmission clutch system
US-2017276152-A1 · Sep 28, 2017 · US
Two-cycle engine and engine work machine
US-2017254293-A1 · Sep 7, 2017 · US
Piston arrangement
US-2017254417-A1 · Sep 7, 2017 · US
Connecting rod and assembly comprising a piston and a connecting rod
US-2017198625-A1 · Jul 13, 2017 · US
Rotating piston for pumps
US-2017191563-A1 · Jul 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J1/09?
- CPC F16J1/09 is the Cooperative Patent Classification code for “with means for guiding fluids (F16J1/08 takes precedence).”
- How many patents are filed under CPC F16J1/09 (with means for guiding fluids (F16J1/08 takes precedence))?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC F16J1/09 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).