Cover plate
US-D956837-S · Jul 5, 2022 · US
Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014)
Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014) · 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 | F04B1/122 |
| Official title | Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014) |
| Display label | Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014) |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 15 |
| 2023 | 15 |
| 2024 | 8 |
| 2025 | 13 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic fluid pump and retainer assembly for same
US-11359739-B2 · Jun 14, 2022 · US
Workpiece with improved coating
US-11346007-B2 · May 31, 2022 · US
Cover plate
US-D948586-S · Apr 12, 2022 · US
Cover plate
US-D945491-S · Mar 8, 2022 · US
Cover plate
US-D939410-S · Dec 28, 2021 · US
Pump assembly with electric starter
US-11181106-B2 · Nov 23, 2021 · US
Cover plate
US-D934141-S · Oct 26, 2021 · US
Fluid End Assembly
US-2021215154-A1 · Jul 15, 2021 · US
Swashplate-type Axial Plunger Pump With Multi-Channel Oil Feed And Full-Flow Self-Cooling And Double-End-Face Flow Distribution
US-2021199098-A1 · Jul 1, 2021 · US
Valve plate assembly
US-2021190066-A1 · Jun 24, 2021 · US
Axial piston pump with piston having passive cooling thermal relief feature
US-2021095658-A1 · Apr 1, 2021 · US
Fluid end assembly
US-10962001-B2 · Mar 30, 2021 · US
Method for producing a water-hydraulic machine
US-2021088037-A1 · Mar 25, 2021 · US
Motor-Hydraulic Machine Unit for Attachment to a Hydraulic Assembly
US-2021048008-A1 · Feb 18, 2021 · US
Plunger pump
US-10907597-B2 · Feb 2, 2021 · US
Fluid End Assembly
US-2020300240-A1 · Sep 24, 2020 · US
Axial-piston motor and cyclic process device
US-10781801-B2 · Sep 22, 2020 · US
Fluid End Assembly
US-2020284253-A1 · Sep 10, 2020 · US
Axial Piston Machine having Integral Counting Perforation
US-2020272879-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B1/122?
- CPC F04B1/122 is the Cooperative Patent Classification code for “Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014).”
- How many patents are filed under CPC F04B1/122 (Details or component parts, e.g. valves, sealings or lubrication means (for machines or pumps having rotary cylinder blocks F04B1/2014))?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC F04B1/122 growing?
- Publication counts under this code: 8 in 2024 vs 13 in 2025 (latest complete years).