Connecting rod for an internal combustion engine with variable compression
US-2018371986-A1 · Dec 27, 2018 · 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 | B23K2101/003 |
| Official title | {Pistons} |
| Display label | Pistons |
| Total patents | 114 |
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 | 9 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 24 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston for internal combustion engine and method of manufacturing piston for internal combustion engine
US-2018369954-A1 · Dec 27, 2018 · US
Method for manufacturing piston for internal combustion engine, and piston for internal combustion engine
US-10151268-B2 · Dec 11, 2018 · US
Laser processing device, laser processing method, optical system, and cladded article
US-2018345404-A1 · Dec 6, 2018 · US
Dual gallery steel piston
US-2018334992-A1 · Nov 22, 2018 · US
Thermal barrier coating for engine combustion component
US-2018313294-A1 · Nov 1, 2018 · US
Method for producing a piston for an internal combustion engine and piston produced by said method
US-10077738-B2 · Sep 18, 2018 · US
Joined body
US-10065265-B2 · Sep 4, 2018 · US
Steel piston with metallurgically bonded bushing and method of manufacturing
US-2018236555-A1 · Aug 23, 2018 · US
Remanufactured Prechamber Device and Method
US-2018216518-A1 · Aug 2, 2018 · US
Drive unit of a fluid-actuated linear drive and method for its manufacture
US-9995323-B2 · Jun 12, 2018 · US
Magnetic Pulse Welding of Engine Components
US-2018119634-A1 · May 3, 2018 · US
Valve for a valve device
US-9957854-B2 · May 1, 2018 · US
Piston ring-belt structural reinforcement via additive machining
US-2018087470-A1 · Mar 29, 2018 · US
Methods of Manufacturing Engine System Components
US-2018079007-A1 · Mar 22, 2018 · US
Piston for internal combustion engine having high temperature-capable crown piece
US-2018073462-A1 · Mar 15, 2018 · US
Piston, method of construction, and piston body portions thereof
US-9915223-B2 · Mar 13, 2018 · US
One-piece piston featuring additive machining produced combustion bowl rim and cooling gallery
US-2018066603-A1 · Mar 8, 2018 · US
Hybrid induction welding process applied to piston manufacturing
US-9909527-B2 · Mar 6, 2018 · US
Method of joining by electron beam or laser welding a turbocharger turbine wheel to a shaft; corresponding turbocharger turbine wheel
US-2018036831-A1 · Feb 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K2101/003?
- CPC B23K2101/003 is the Cooperative Patent Classification code for “Pistons.”
- How many patents are filed under CPC B23K2101/003 (Pistons)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC B23K2101/003 growing?
- Publication counts under this code: 2 in 2023 vs 4 in 2024 (latest complete years).