Device for sealing and inflating inflatable objects
US-10493706-B2 · Dec 3, 2019 · US
Cylinder heads
Cylinder heads · 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 | F04B53/007 |
| Official title | {Cylinder heads} |
| Display label | Cylinder heads |
| Total patents | 188 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 6 |
| 2021 | 12 |
| 2022 | 21 |
| 2023 | 22 |
| 2024 | 24 |
| 2025 | 29 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pump with wear-resistant barrel and plunger having coating support
US-10393111-B2 · Aug 27, 2019 · US
Semi-Hermetic Refrigerant Compressor
US-2019234392-A1 · Aug 1, 2019 · US
Pump fluid end with integrated web portion
US-10330097-B2 · Jun 25, 2019 · US
Multi-Piece Fluid End
US-2019178243-A1 · Jun 13, 2019 · US
Hydrostatic Piston Engine
US-2019178226-A1 · Jun 13, 2019 · US
Pump plunger for a linearly actuated pump
US-10316839-B2 · Jun 11, 2019 · US
Method for remanufacturing fluid end block
US-2019145400-A1 · May 16, 2019 · US
Modular pump housing
US-2019107107-A1 · Apr 11, 2019 · US
Gas discharge system for a refrigeration compressor and a refrigeration compressor
US-10227975-B2 · Mar 12, 2019 · US
Suction cover assembly for reciprocating pumps
US-2019063430-A1 · Feb 28, 2019 · US
Device including an anti-rotation mechanism for a piston and a method of using the same
US-10184562-B2 · Jan 22, 2019 · US
Double-headed swash type compressor and method for manufacturing cylinder block
US-10167858-B2 · Jan 1, 2019 · US
Pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine
US-10107244-B2 · Oct 23, 2018 · US
Cylinder head for compressor
US-2018238316-A1 · Aug 23, 2018 · US
Pump fluid end with integrated web portion
US-2018230977-A1 · Aug 16, 2018 · US
Magnetic anti-rotation device for pump access cover retainer
US-10024316-B2 · Jul 17, 2018 · US
Pump Plunger for a Linearly Actuated Pump
US-2018163718-A1 · Jun 14, 2018 · US
Air compressor
US-9964104-B2 · May 8, 2018 · US
High pressure pump with pressurizing chamber
US-9945363-B2 · Apr 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/007?
- CPC F04B53/007 is the Cooperative Patent Classification code for “Cylinder heads.”
- How many patents are filed under CPC F04B53/007 (Cylinder heads)?
- Our database includes 188 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/007 growing?
- Publication counts under this code: 24 in 2024 vs 29 in 2025 (latest complete years).