Wheel, driving wheel, and wheelchair
US-11878552-B2 · Jan 23, 2024 · US
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Chairs
Chairs · 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 | B60B2200/22 |
| Official title | Chairs |
| Display label | Chairs |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wheel assembly
US-11602955-B2 · Mar 14, 2023 · US
Electronic brake-integrated in-wheel motor driving device
US-11590955-B2 · Feb 28, 2023 · US
Braking and locking system for caster wheels
US-11173747-B2 · Nov 16, 2021 · US
Wheel, driving wheel, and wheelchair
US-2021315752-A1 · Oct 14, 2021 · US
Electronic brake-integrated in-wheel motor driving device
US-2020391719-A1 · Dec 17, 2020 · US
Non-pneumatic tire
US-10836211-B2 · Nov 17, 2020 · US
Wheel assembly
US-2020086688-A1 · Mar 19, 2020 · US
Wheel assembly
US-2020086682-A1 · Mar 19, 2020 · US
Wheel Spikes
US-2019315158-A1 · Oct 17, 2019 · US
Wheel and a wheelchair using the same
US-10266003-B2 · Apr 23, 2019 · US
Braking and locking system for caster wheels
US-2018319214-A1 · Nov 8, 2018 · US
Universal rotating module
US-10099512-B2 · Oct 16, 2018 · US
Non-pneumatic tire
US-2018222254-A1 · Aug 9, 2018 · US
Universal rotating module
US-2017253082-A1 · Sep 7, 2017 · US
Wheel and a wheelchair using the same
US-2017253075-A1 · Sep 7, 2017 · US
Wheel assembly for an infant support apparatus
US-9533530-B2 · Jan 3, 2017 · US
Wheel Assembly for an Infant Support Apparatus
US-2015158334-A1 · Jun 11, 2015 · US