Landing gear system with composite flex beam
US-2020407048-A1 · Dec 31, 2020 · US
Spring shock-absorbers; Springs
Spring shock-absorbers; Springs · 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 | B64C25/62 |
| Official title | Spring shock-absorbers; Springs |
| Display label | Spring shock-absorbers; Springs |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 19 |
| 2021 | 10 |
| 2022 | 15 |
| 2023 | 15 |
| 2024 | 18 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy Absorbing Landing Systems for Aircraft
US-2020346743-A1 · Nov 5, 2020 · US
Hybrid metallic/composite joint with separate internal bearing
US-2020325932-A1 · Oct 15, 2020 · US
Unmanned aerial vehicle, control system and method thereof, and unmanned aerial vehicle landing control method
US-2020317338-A1 · Oct 8, 2020 · US
Mechanical link with preload verification
US-10793262-B1 · Oct 6, 2020 · US
Multi-stage reduction of impact forces
US-10787249-B2 · Sep 29, 2020 · US
Cable-Driven Four-Bar Link Leg Mechanism
US-2020298964-A1 · Sep 24, 2020 · US
Bi-stable hydraulic control valve system
US-2020298814-A1 · Sep 24, 2020 · US
Retention systems for light weight actuator glands
US-2020291969-A1 · Sep 17, 2020 · US
Semi cantilevered landing gear actuated by an external articulating load damper for improved take-off
US-10766606-B2 · Sep 8, 2020 · US
Controllable oleo-pneumatic damper using magnetorheological fluid
US-10711861-B1 · Jul 14, 2020 · US
Unmanned aerial vehicle, control system and method thereof, and unmanned aerial vehicle landing control method
US-10669024-B2 · Jun 2, 2020 · US
Telescoping shock strut for landing gear
US-2020156772-A1 · May 21, 2020 · US
Landing-gear assembly for an aircraft, the landing-gear assembly including a secondary shimmy damper
US-10589848-B2 · Mar 17, 2020 · US
Aircraft landing gear comprising a main damper and an anti-shimmy secondary damper
US-10549847-B2 · Feb 4, 2020 · US
Drone
US-10336441-B2 · Jul 2, 2019 · US
Aircraft landing gear assembly
US-2019185145-A1 · Jun 20, 2019 · US
Spring assembly
US-2019161177-A1 · May 30, 2019 · US
Center biased actuator
US-2019144105-A1 · May 16, 2019 · US
Aircraft spring assembly
US-10279896-B2 · May 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C25/62?
- CPC B64C25/62 is the Cooperative Patent Classification code for “Spring shock-absorbers; Springs.”
- How many patents are filed under CPC B64C25/62 (Spring shock-absorbers; Springs)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC B64C25/62 growing?
- Publication counts under this code: 18 in 2024 vs 16 in 2025 (latest complete years).