Reciprocating Pump Trunnions Connecting Crosshead and Connecting Rod
US-2020386222-A1 · Dec 10, 2020 · US
Crankshafts
Crankshafts · 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 | F04B53/006 |
| Official title | {Crankshafts} |
| Display label | Crankshafts |
| Total patents | 204 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 10 |
| 2020 | 11 |
| 2021 | 24 |
| 2022 | 32 |
| 2023 | 29 |
| 2024 | 27 |
| 2025 | 26 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor
US-10859076-B2 · Dec 8, 2020 · US
Pump gear
US-2020370633-A1 · Nov 26, 2020 · US
Flexible Manifold for Reciprocating Pump
US-2020362855-A1 · Nov 19, 2020 · US
Super-power five-cylinder plunger pump
US-2020332788-A1 · Oct 22, 2020 · US
Electric diaphragm pump with offset slider crank
US-2020291936-A1 · Sep 17, 2020 · US
Stirling-cycle cooling device with external rotor motor
US-2020208883-A1 · Jul 2, 2020 · US
System and method for reinforcing reciprocating pump
US-10677244-B2 · Jun 9, 2020 · US
Support for reciprocating pump
US-2020141401-A1 · May 7, 2020 · US
Drive Device, Hydraulic Pump, Motor Vehicle
US-2020106326-A1 · Apr 2, 2020 · US
Compressor including rotor frame
US-2020095989-A1 · Mar 26, 2020 · US
Support for reciprocating pump
US-10520037-B2 · Dec 31, 2019 · US
Device for sealing and inflating inflatable objects
US-10493706-B2 · Dec 3, 2019 · US
Camshaft thrust control secured by drive gear
US-10487810-B2 · Nov 26, 2019 · US
Pressure pump connecting rod monitoring
US-2019345921-A1 · Nov 14, 2019 · US
Power end frame assembly for reciprocating pump
US-2019277341-A1 · Sep 12, 2019 · US
Pump Drivetrain Damper System and Control Systems and Methods for Same
US-2019264667-A1 · Aug 29, 2019 · US
Power end frame assembly for reciprocating pump
US-10393182-B2 · Aug 27, 2019 · US
Connecting rod and crosshead assembly for enhancing the performance of a reciprocating pump
US-10393113-B2 · Aug 27, 2019 · US
Pump drivetrain damper system and control systems and methods for same
US-10316832-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/006?
- CPC F04B53/006 is the Cooperative Patent Classification code for “Crankshafts.”
- How many patents are filed under CPC F04B53/006 (Crankshafts)?
- Our database includes 204 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/006 growing?
- Publication counts under this code: 27 in 2024 vs 26 in 2025 (latest complete years).