Elevator buffering device and elevator system
US-11685632-B2 · Jun 27, 2023 · US
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with maintenance features (if not incorporated in the buffer B66B5/0087)
with maintenance features (if not incorporated in the buffer B66B5/0087) · 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 | B66B5/288 |
| Official title | {with maintenance features (if not incorporated in the buffer B66B5/0087)} |
| Display label | with maintenance features (if not incorporated in the buffer B66B5/0087) |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elevator device
US-11365090-B2 · Jun 21, 2022 · US
Elevator buffering device and elevator system
US-2021331895-A1 · Oct 28, 2021 · US
Buffer cap for elevator
US-11155441-B2 · Oct 26, 2021 · US
Buffer cap for elevator
US-2021276828-A1 · Sep 9, 2021 · US
Elevator system hoistway access control
US-11040853-B2 · Jun 22, 2021 · US
Elevator device
US-2019077633-A1 · Mar 14, 2019 · US
Accessible elevator buffer
US-2018251340-A1 · Sep 6, 2018 · US
Elevator system hoistway access control
US-2018134518-A1 · May 17, 2018 · US
Accessible elevator buffer
US-2018127237-A1 · May 10, 2018 · US
Method and apparatus for inspecting resin shock absorber
US-9909950-B2 · Mar 6, 2018 · US
Buffering device for multiple-car elevator system
US-2017369280-A1 · Dec 28, 2017 · US
Method and apparatus for inspecting resin shock absorber
US-2017138815-A1 · May 18, 2017 · US