Syringe systems, piston seal systems, stopper systems, and methods of use and assembly
US-10869966-B2 · Dec 22, 2020 · US
obtained by assembling several pieces
obtained by assembling several pieces · 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 | F16J1/005 |
| Official title | {obtained by assembling several pieces} |
| Display label | obtained by assembling several pieces |
| Total patents | 107 |
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 | 7 |
| 2016 | 15 |
| 2017 | 9 |
| 2018 | 16 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing piston assembly and hydraulic fluid device
US-10851813-B2 · Dec 1, 2020 · US
Piston for clutch assembly
US-10794433-B2 · Oct 6, 2020 · US
Cylinder apparatus for brake
US-10773699-B2 · Sep 15, 2020 · US
Piston unit and hydraulic cylinder
US-2020248728-A1 · Aug 6, 2020 · US
Piston rod sleeve mounting for fluid sprayer pump
US-2020224654-A1 · Jul 16, 2020 · US
Disc brake and piston
US-10591008-B2 · Mar 17, 2020 · US
Piston for an internal combustion engine
US-10352444-B2 · Jul 16, 2019 · US
Cylinder apparatus for brake
US-2019210577-A1 · Jul 11, 2019 · US
Method for producing piston assembly and hydraulic fluid device
US-2019170168-A1 · Jun 6, 2019 · US
Piston for clutch assembly
US-2019085911-A1 · Mar 21, 2019 · US
Method for producing a piston
US-10208702-B2 · Feb 19, 2019 · US
Piston included in liquid-pressure rotating device and liquid-pressure rotating device
US-10167855-B2 · Jan 1, 2019 · US
Piston For An Internal Combustion Engine and Production Method Therefore
US-2018372020-A1 · Dec 27, 2018 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-2018369970-A1 · Dec 27, 2018 · US
Piston assembly
US-10082207-B2 · Sep 25, 2018 · US
Method for producing a piston
US-2018252181-A1 · Sep 6, 2018 · US
Hybrid metallic/composite piston head joint
US-10066649-B2 · Sep 4, 2018 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-10065276-B2 · Sep 4, 2018 · US
Disc brake and piston
US-2018245648-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J1/005?
- CPC F16J1/005 is the Cooperative Patent Classification code for “obtained by assembling several pieces.”
- How many patents are filed under CPC F16J1/005 (obtained by assembling several pieces)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC F16J1/005 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).