Sealing high pressure flow devices
US-12535143-B2 · Jan 27, 2026 · US
Mounting of cylinder liners in cylinders
Mounting of cylinder liners in 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 | F04B53/168 |
| Official title | {Mounting of cylinder liners in cylinders} |
| Display label | Mounting of cylinder liners in cylinders |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wear resistant fluid ends
US-12454951-B2 · Oct 28, 2025 · US
Sealing high pressure flow devices
US-2025172213-A1 · May 29, 2025 · US
Sealing high pressure flow devices
US-12209686-B2 · Jan 28, 2025 · US
System and method of using power of pump to replace packing bores or other components from a fluid end
US-12092101-B2 · Sep 17, 2024 · US
System for dispensing abrasive material
US-2024240625-A1 · Jul 18, 2024 · US
Modular plunger packing gland assembly
US-2024209851-A1 · Jun 27, 2024 · US
System for dispensing abrasive material
US-11971022-B2 · Apr 30, 2024 · US
Reciprocating pump fluid cylinder sleeve assembly
US-11965497-B2 · Apr 23, 2024 · US
Sealing high pressure flow devices
US-2024125395-A1 · Apr 18, 2024 · US
Hard seal compact, positive displacement pump with reciprocating motion
US-2024110551-A1 · Apr 4, 2024 · US
Frictionless design of high-pressure recirculation thermo-pump
US-2024110549-A1 · Apr 4, 2024 · US
Gasoline direct injection fuel pump with isolated plunger sleeve
US-11939941-B2 · Mar 26, 2024 · US
Sealing high pressure flow devices
US-11859732-B2 · Jan 2, 2024 · US
Tension applying assembly for fluid end
US-11815088-B1 · Nov 14, 2023 · US
Gasoline direct injection fuel pump with isolated plunger sleeve
US-2023304462-A1 · Sep 28, 2023 · US
Packing sleeve for pump fluid end
US-11754068-B1 · Sep 12, 2023 · US
Sealing high pressure flow devices
US-2023279956-A1 · Sep 7, 2023 · US
Plunger bore sleeve for a reciprocating pump
US-11725651-B2 · Aug 15, 2023 · US
High-Pressure Fuel Pump
US-2023228237-A1 · Jul 20, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/168?
- CPC F04B53/168 is the Cooperative Patent Classification code for “Mounting of cylinder liners in cylinders.”
- How many patents are filed under CPC F04B53/168 (Mounting of cylinder liners in cylinders)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/168 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).