Fail-safe pneumatic lift system
US-11577946-B2 · Feb 14, 2023 · US
This page is not indexed by search engines while we improve data quality.
with positive brakes or locks
with positive brakes or locks · 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 | B66F3/30 |
| Official title | with positive brakes or locks |
| Display label | with positive brakes or locks |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Floor jack lockout assembly
US-11286140-B2 · Mar 29, 2022 · US
Fail-safe pneumatic lift system
US-2022041413-A1 · Feb 10, 2022 · US
Hydraulic lifting device for a chassis of a mobile device, chassis and mobile device
US-2021395056-A1 · Dec 23, 2021 · US
Floor jack lockout assembly
US-2020385251-A1 · Dec 10, 2020 · US
Portable self-locking lift system
US-10173872-B2 · Jan 8, 2019 · US
Chamber conveyor belt machine
US-10106382-B2 · Oct 23, 2018 · US
Jack-positioning device
US-9821729-B2 · Nov 21, 2017 · US
Chamber conveyor belt machine
US-2017320714-A1 · Nov 9, 2017 · US
Hydraulic cylinder position sensing and locking system and corresponding method
US-2017122347-A1 · May 4, 2017 · US
Hydraulic cylinder position sensing and locking system and corresponding method
US-9568029-B2 · Feb 14, 2017 · US
Jack-positioning device
US-2017021777-A1 · Jan 26, 2017 · US
Portable self-locking lift system
US-2016075540-A1 · Mar 17, 2016 · US