Piston ring sealing for pneumatic actuator
US-2016369894-A1 · Dec 22, 2016 · US
pistons
pistons · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23P15/10 |
| Official title | pistons |
| Display label | pistons |
| Total patents | 190 |
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 | 27 |
| 2016 | 38 |
| 2017 | 22 |
| 2018 | 23 |
| 2019 | 25 |
| 2020 | 22 |
| 2021 | 8 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Caulking method for preventing piston of hydraulic/pneumatic cylinder from being loosened
US-9522445-B2 · Dec 20, 2016 · US
Piston for pnuematic actuator in high vibration environment
US-2016363233-A1 · Dec 15, 2016 · US
Piston for internal combustion engines
US-9518531-B2 · Dec 13, 2016 · US
Torque converter piston assembly including transmission input shaft seal assembly
US-2016305550-A1 · Oct 20, 2016 · US
Piston with complex shaped combustion bowl and cooling gallery and method of construction thereof
US-2016305365-A1 · Oct 20, 2016 · US
Design of zero oil cooled (zoc) piston incorporating heat pipe technology
US-2016298572-A1 · Oct 13, 2016 · US
Method for producing a piston for an internal combustion engine and piston produced by said method
US-2016288275-A1 · Oct 6, 2016 · US
Method for producing a piston for an internal combustion engine and piston produced by said method
US-2016281637-A1 · Sep 29, 2016 · US
Piston and method for manufacturing piston
US-2016265474-A1 · Sep 15, 2016 · US
Cooling duct piston and method for producing the same
US-9429100-B2 · Aug 30, 2016 · US
Piston assembly with multi-piece skirt
US-9429099-B2 · Aug 30, 2016 · US
Method for detecting an error in the installation of a seal in a master cylinder
US-9409263-B2 · Aug 9, 2016 · US
Piston, method of construction, and piston body portions thereof
US-2016222910-A1 · Aug 4, 2016 · US
Steel piston with counter-bore design
US-2016199952-A1 · Jul 14, 2016 · US
Production washing assembly verification system and method
US-9381598-B2 · Jul 5, 2016 · US
Piston with cooling gallery having enhanced oil inlet and method of construction thereof
US-2016177865-A1 · Jun 23, 2016 · US
Method for manufacturing piston of automobile engine
US-9370847-B2 · Jun 21, 2016 · US
Method for the production of a piston
US-9364923-B2 · Jun 14, 2016 · US
Method for the production of a piston for an internal combustion engine
US-9339898-B2 · May 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23P15/10?
- CPC B23P15/10 is the Cooperative Patent Classification code for “pistons.”
- How many patents are filed under CPC B23P15/10 (pistons)?
- Our database includes 190 publications tagged with this CPC code.
- Is patent activity under CPC B23P15/10 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).