Removable piston rod sleeve for fluid pump
US-10514030-B2 · Dec 24, 2019 · US
Piston-rods
Piston-rods · 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 | F16J7/00 |
| Official title | Piston-rods |
| Display label | Piston-rods |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 16 |
| 2018 | 15 |
| 2019 | 14 |
| 2020 | 16 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic cylinder
US-10480546-B2 · Nov 19, 2019 · US
Lubrication feature for pin of two stroke piston assembly
US-2019301606-A1 · Oct 3, 2019 · US
Connecting rod lubrication apparatus
US-10415630-B2 · Sep 17, 2019 · US
Reciprocating saw
US-2019275597-A1 · Sep 12, 2019 · US
Piston head retaining system
US-2019242377-A1 · Aug 8, 2019 · US
Connecting rod and assembly comprising a piston and a connecting rod
US-10294848-B2 · May 21, 2019 · US
Oscillation damper, a damper inner pipe, a damper outer pipe and a method for producing a double pipe of an oscillation damper
US-2019063541-A1 · Feb 28, 2019 · US
Variable compression ratio device
US-10196973-B2 · Feb 5, 2019 · US
Wear resistant coating applied to connecting rod surfaces
US-10190622-B2 · Jan 29, 2019 · 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
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-10065276-B2 · Sep 4, 2018 · US
Removable piston rod sleeve for fluid pump
US-2018238324-A1 · Aug 23, 2018 · US
Connecting rod
US-10041527-B2 · Aug 7, 2018 · US
Ball bearing, in particular piston rod ball bearing and piston rod with ball bearing
US-10018124-B2 · Jul 10, 2018 · US
Reciprocating saw
US-9956625-B2 · May 1, 2018 · US
Variable length connecting rod and variable compression ratio internal combustion engine
US-9958004-B2 · May 1, 2018 · US
Combustion chamber elasticity device
US-2018100432-A1 · Apr 12, 2018 · US
Stirling cooler with flexible regenerator drive
US-2018058730-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J7/00?
- CPC F16J7/00 is the Cooperative Patent Classification code for “Piston-rods.”
- How many patents are filed under CPC F16J7/00 (Piston-rods)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC F16J7/00 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).