Switching amplifier circuitry
US-2026005658-A1 · Jan 1, 2026 · US
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with double seats
with double seats · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A47C7/024 |
| Official title | {with double seats} |
| Display label | with double seats |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switching amplifier circuitry
US-12445098-B2 · Oct 14, 2025 · US
Switching amplifier circuitry
US-2024056039-A1 · Feb 15, 2024 · US
Chair for active engagement of user
US-11805905-B2 · Nov 7, 2023 · US
Chair for active engagement of user
US-11596232-B2 · Mar 7, 2023 · US
Chair for active engagement of user
US-2023049996-A1 · Feb 16, 2023 · US
Adjustable ergonomic chair
US-11471345-B2 · Oct 18, 2022 · US
Human body support device
US-2022134049-A1 · May 5, 2022 · US
Chair for active engagement of user
US-2022087424-A1 · Mar 24, 2022 · US
Vehicle seating assembly with thigh tilt
US-11130432-B2 · Sep 28, 2021 · US
Vehicle seating assembly with thigh tilt
US-2021170930-A1 · Jun 10, 2021 · US
Adjustable ergonomic chair
US-2020375827-A1 · Dec 3, 2020 · US
Adjustable ergonomic chair
US-10780003-B2 · Sep 22, 2020 · US
Adjustable ergonomic chair
US-2020214916-A1 · Jul 9, 2020 · US
Tilt mechanism for a weight-responsive seating furniture
US-10159347-B2 · Dec 25, 2018 · US
Chair, in particular office chair
US-10058180-B2 · Aug 28, 2018 · US
Seat for vehicles
US-9796302-B2 · Oct 24, 2017 · US
Tilt mechanism for a weight-responsive seating furniture
US-2017295935-A1 · Oct 19, 2017 · US
Seat for vehicles
US-2016121761-A1 · May 5, 2016 · US
Back construction
US-8960796-B2 · Feb 24, 2015 · US