Transfer device comprising automatic opening unit of box cover
US-12589955-B2 · Mar 31, 2026 · US
Stationary loaders or unloaders, e.g. for sacks
Stationary loaders or unloaders, e.g. for sacks · 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 | B66F9/02 |
| Official title | Stationary loaders or unloaders, e.g. for sacks |
| Display label | Stationary loaders or unloaders, e.g. for sacks |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lifting gear having a lifting frame movable in a movement direction relative to a supporting part of the lifting gear, and method for operating a lifting gear
US-12528678-B2 · Jan 20, 2026 · US
Transport Cart and Transport Facility
US-2025388280-A1 · Dec 25, 2025 · US
Elevating device
US-12497274-B2 · Dec 16, 2025 · US
Energy limiting device for transferring containers
US-12421031-B1 · Sep 23, 2025 · US
Tower lift and control method thereof
US-2025218835-A1 · Jul 3, 2025 · US
Lifting gear having a lifting frame movable in a movement direction relative to a supporting part of the lifting gear, and method for operating a lifting gear
US-2024425333-A1 · Dec 26, 2024 · US
Manipulating boxes using a zoned gripper
US-2024408746-A1 · Dec 12, 2024 · US
Transfer Device Comprising Automatic Lifting Unit
US-2024343538-A1 · Oct 17, 2024 · US
Transfer Device Comprising Automatic Opening Unit of Box Cover
US-2024343506-A1 · Oct 17, 2024 · US
Manipulating boxes using a zoned gripper
US-12090656-B2 · Sep 17, 2024 · US
Assembly for delivering a shipment
US-12014312-B2 · Jun 18, 2024 · US
Palletizer-depalletizer system for distribution facilities
US-12006168-B2 · Jun 11, 2024 · US
Manipulating boxes using a zoned gripper
US-2024001537-A1 · Jan 4, 2024 · US
Loading equipment and conveying system for tank track moving support
US-11753242-B2 · Sep 12, 2023 · US
Manipulating boxes using a zoned gripper
US-11731267-B2 · Aug 22, 2023 · US
Elevating Device
US-2023227295-A1 · Jul 20, 2023 · US
Pallet Lifting Rack and Pallet Handling System
US-2023166910-A1 · Jun 1, 2023 · US
Loading equipment and conveying system for tank track moving support
US-2023143983-A1 · May 11, 2023 · US
Palletizer-depalletizer system for distribution facilities
US-2023073500-A1 · Mar 9, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66F9/02?
- CPC B66F9/02 is the Cooperative Patent Classification code for “Stationary loaders or unloaders, e.g. for sacks.”
- How many patents are filed under CPC B66F9/02 (Stationary loaders or unloaders, e.g. for sacks)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B66F9/02 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).