Symmetric roll divergence
US-11465762-B2 · Oct 11, 2022 · US
Seat modifications
Seat modifications · 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 | B64D25/04 |
| Official title | Seat modifications |
| Display label | Seat modifications |
| Total patents | 114 |
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 | 2 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 12 |
| 2021 | 16 |
| 2022 | 19 |
| 2023 | 11 |
| 2024 | 12 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radial slit disc energy attenuation system
US-11427337-B2 · Aug 30, 2022 · US
System for the inertial unlocking of a seat back
US-11352140-B2 · Jun 7, 2022 · US
Dual purpose life preserver and inflatable head restraint for parachute assemblies
US-11192656-B2 · Dec 7, 2021 · US
Arm restraint canopy piercer
US-11148817-B2 · Oct 19, 2021 · US
Adjustable leg restraints for ejection seats
US-11148816-B2 · Oct 19, 2021 · US
Aircraft seat unit, and aircraft seat unit assembly
US-11148810-B2 · Oct 19, 2021 · US
Systems and methods for preventing the stowage of ejection seat arm catcher members
US-11148809-B2 · Oct 19, 2021 · US
Airfoil arm restraint systems
US-2021316870-A1 · Oct 14, 2021 · US
Lateral support system for ejection seat
US-2021309380-A1 · Oct 7, 2021 · US
Seat provided with a system for locking the tray table in the event of an impact
US-11091071-B2 · Aug 17, 2021 · US
Aircraft pilot seat
US-11084588-B2 · Aug 10, 2021 · US
System for the inertial unlocking of a seat back
US-2021237881-A1 · Aug 5, 2021 · US
Arm restraint latch release assembly
US-11077950-B2 · Aug 3, 2021 · US
Controlled energy absorption of seats for impact
US-11066172-B2 · Jul 20, 2021 · US
Aircraft seat unit, and aircraft seat unit assembly
US-2021214088-A1 · Jul 15, 2021 · US
Systems and methods for preventing the stowage of ejection seat arm catcher members
US-2021147084-A1 · May 20, 2021 · US
Apparatus for controlling vehicle impact absorption systems and related methods
US-10946979-B2 · Mar 16, 2021 · US
Energy attenuating mounting foot for a cabin attendant seat
US-10946968-B2 · Mar 16, 2021 · US
Arm restraint latch release assembly
US-2020369392-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D25/04?
- CPC B64D25/04 is the Cooperative Patent Classification code for “Seat modifications.”
- How many patents are filed under CPC B64D25/04 (Seat modifications)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC B64D25/04 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).