Localized multiple beamed laser peening of connecting rod
US-2025041971-A1 · Feb 6, 2025 · US
with piston-rods, e.g. rigid connections
with piston-rods, e.g. rigid connections · 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 | F16J1/12 |
| Official title | with piston-rods, e.g. rigid connections |
| Display label | with piston-rods, e.g. rigid connections |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid pressure cylinder
US-12215723-B2 · Feb 4, 2025 · US
Fluid pressure cylinder
US-2024218889-A1 · Jul 4, 2024 · US
Pump assembly, in particular for generating pressure in a brake circuit of a controllable power brake system of a motor vehicle
US-12024141-B2 · Jul 2, 2024 · US
Plunger, instrument, and mold
US-11933401-B2 · Mar 19, 2024 · US
Pump assembly, in particular for generating pressure in a brake circuit of a controllable power brake system of a motor vehicle
US-2023166706-A1 · Jun 1, 2023 · US
An actuator apparatus comprising a positioning actuator
US-2022135209-A1 · May 5, 2022 · US
Plunger, instrument, and mold
US-2022112951-A1 · Apr 14, 2022 · US
Method for producing piston assembly and hydraulic fluid device
US-11280409-B2 · Mar 22, 2022 · US
Compressor
US-2022074399-A1 · Mar 10, 2022 · US
Method for producing piston assembly and hydraulic fluid device
US-2021285544-A1 · Sep 16, 2021 · US
Piston assembly and fluid pressure device
US-11067173-B2 · Jul 20, 2021 · US
Load distribution nut
US-10996016-B1 · May 4, 2021 · US
Eccentric member support that includes a piston with an expanding ring to increase friction against a cylinder wall
US-10995777-B2 · May 4, 2021 · US
Engine piston and method for manufacturing the same
US-2020355139-A1 · Nov 12, 2020 · US
Shaft coupling structure and fluid pressure apparatus
US-10767671-B2 · Sep 8, 2020 · US
Piston Rod
US-2020157902-A1 · May 21, 2020 · US
Damper
US-10619692-B2 · Apr 14, 2020 · US
Fluid pressure cylinder
US-10612570-B2 · Apr 7, 2020 · US
Piston head retaining system
US-10584699-B2 · Mar 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J1/12?
- CPC F16J1/12 is the Cooperative Patent Classification code for “with piston-rods, e.g. rigid connections.”
- How many patents are filed under CPC F16J1/12 (with piston-rods, e.g. rigid connections)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F16J1/12 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).