Shock absorber
US-2018266511-A1 · Sep 20, 2018 · US
Other sealings for reciprocating rods
Other sealings for reciprocating 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 | F16J15/56 |
| Official title | Other sealings for reciprocating rods |
| Display label | Other sealings for reciprocating rods |
| Total patents | 260 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 19 |
| 2017 | 15 |
| 2018 | 22 |
| 2019 | 26 |
| 2020 | 24 |
| 2021 | 32 |
| 2022 | 27 |
| 2023 | 27 |
| 2024 | 22 |
| 2025 | 17 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compliant seal assembly and method of operating
US-10047623-B2 · Aug 14, 2018 · US
Sliding seal and seal structure
US-9976653-B2 · May 22, 2018 · US
Seal device
US-9903474-B2 · Feb 27, 2018 · US
Shock absorber
US-9868331-B2 · Jan 16, 2018 · US
Shock absorber
US-2017350464-A1 · Dec 7, 2017 · US
Sealing member and fluid pressure device provided therewith
US-2017350509-A1 · Dec 7, 2017 · US
One-way pressure activated piston seal
US-2017314684-A1 · Nov 2, 2017 · US
Guide Ring of a Piston Pump for a Vehicle Brake System
US-2017313292-A1 · Nov 2, 2017 · US
Seal of tool and method of sealing
US-9777842-B2 · Oct 3, 2017 · US
Sealing element and method for producing a sealing element
US-2017261105-A1 · Sep 14, 2017 · US
Sealing element and method for producing a sealing element
US-2017261104-A1 · Sep 14, 2017 · US
Sealing element and method for producing a sealing element
US-2017261106-A1 · Sep 14, 2017 · US
Dual pre-load cylindrical seal
US-9752679-B2 · Sep 5, 2017 · US
One-way pressure activated piston seal
US-9732857-B2 · Aug 15, 2017 · US
Brake system master-cylinder seal
US-9631724-B2 · Apr 25, 2017 · US
Guiding and sealing unit, particularly for a shock absorber rod
US-2017108073-A1 · Apr 20, 2017 · US
Shock absorber
US-2017080767-A1 · Mar 23, 2017 · US
Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US-2017056590-A1 · Mar 2, 2017 · US
Piston Fuel Pump for an Internal Combustion Engine
US-2017009767-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J15/56?
- CPC F16J15/56 is the Cooperative Patent Classification code for “Other sealings for reciprocating rods.”
- How many patents are filed under CPC F16J15/56 (Other sealings for reciprocating rods)?
- Our database includes 260 publications tagged with this CPC code.
- Is patent activity under CPC F16J15/56 growing?
- Publication counts under this code: 22 in 2024 vs 17 in 2025 (latest complete years).