Piston assembly for human-powered vehicle
US-2021362801-A1 · Nov 25, 2021 · US
with sealing lips
with sealing lips · 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 | F16J1/008 |
| Official title | {with sealing lips} |
| Display label | with sealing lips |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 12 |
| 2021 | 17 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High pressure liquid-jet seal assembly carriage
US-2021291332-A1 · Sep 23, 2021 · US
Piston assembly having reduced extend force and reduced displacement volume
US-11111936-B2 · Sep 7, 2021 · US
Seal structure for fluid pressure device
US-2021262572-A1 · Aug 26, 2021 · US
Hydraulic cylinder
US-11079017-B2 · Aug 3, 2021 · US
Piston assembly having reduced extend force and reduced displacement volume
US-2021054931-A1 · Feb 25, 2021 · US
Sealing piston for a hydraulic expansion chucking device and expansion chucking device
US-2020406370-A1 · Dec 31, 2020 · US
Method for producing piston assembly and hydraulic fluid device
US-10851813-B2 · Dec 1, 2020 · US
Hydraulic device comprising a segment having at least one through-hole configured to promote the rotation of said segment
US-10837553-B2 · Nov 17, 2020 · US
Low heat transfer piston via binder jet technology
US-2020325988-A1 · Oct 15, 2020 · US
Hydraulic piston with a cooling and lubricating gasket valve
US-10753239-B2 · Aug 25, 2020 · US
Hydraulic fluid device
US-10718360-B2 · Jul 21, 2020 · US
Hydraulic Device Comprising A Segment Having At Least One Through-Hole Configured To Promote The Rotation Of Said Segment
US-2020173554-A1 · Jun 4, 2020 · US
Piston of an internal combustion engine
US-2020132193-A1 · Apr 30, 2020 · US
Hydraulic cylinder
US-2020109782-A1 · Apr 9, 2020 · US
Pistons
US-10598282-B2 · Mar 24, 2020 · US
Sealing moving with piston in a high-pressure pump
US-10591446-B2 · Mar 17, 2020 · US
Piston assembly and fluid pressure device
US-2020063865-A1 · Feb 27, 2020 · US
Articulated coupling for piston sealing device
US-10487825-B2 · Nov 26, 2019 · US
Piston fuel pump for an internal combustion engine
US-10400726-B2 · Sep 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J1/008?
- CPC F16J1/008 is the Cooperative Patent Classification code for “with sealing lips.”
- How many patents are filed under CPC F16J1/008 (with sealing lips)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC F16J1/008 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).