Double-reeved lifting device with an improved pawl-locking mechanism
US-12371308-B2 · Jul 29, 2025 · US
Block and tackle system with variable number of cable parts
Block and tackle system with variable number of cable parts · 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 | B66D3/043 |
| Official title | {Block and tackle system with variable number of cable parts} |
| Display label | Block and tackle system with variable number of cable parts |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lifting gear
US-2025153983-A1 · May 15, 2025 · US
Crane device, method for determining number of falls, and computer readable non-transitory recording medium
US-12180043-B2 · Dec 31, 2024 · US
Method for determining the rope reeving of a pulley block
US-11999601-B2 · Jun 4, 2024 · US
Lifting machinery with automated reeving configuration change
US-2024083722-A1 · Mar 14, 2024 · US
Hoisting system and method
US-11897738-B2 · Feb 13, 2024 · US
Automatic method for determining a physical end-of-travel position of a reeve-block of a tower crane
US-2024017969-A1 · Jan 18, 2024 · US
Double-reeved lifting device with a rotary locking mechanism
US-11866309-B2 · Jan 9, 2024 · US
Double-reeved lifting device with an improved pawl-locking mechanism
US-2023356988-A1 · Nov 9, 2023 · US
Lifting crane with a system for automated determination of the reeving
US-11753284-B2 · Sep 12, 2023 · US
Method and system for mitigating cable wear in a hoisting system
US-11639639-B2 · May 2, 2023 · US
Double-reeved lifting device with a latch-locking mechanism
US-11591191-B2 · Feb 28, 2023 · US
Method for assisting in maintaining a metal cable of a lifting or transport apparatus
US-2022289534-A1 · Sep 15, 2022 · US
Double-reeved lifting device with a latch-locking mechanism
US-2022081267-A1 · Mar 17, 2022 · US
Double-reeved lifting device with a rotary locking mechanism
US-2022081266-A1 · Mar 17, 2022 · US
Crane device, method for determining number of falls, and computer readable non-transitory recording medium
US-2022009753-A1 · Jan 13, 2022 · US
Method and system for mitigating cable wear in a hoisting system
US-2021238935-A1 · Aug 5, 2021 · US
Lifting crane with a system for automated determination of the reeving
US-2021188599-A1 · Jun 24, 2021 · US
Hoisting System And Method
US-2021179400-A1 · Jun 17, 2021 · US
Method for determining the rope reeving of a pulley block
US-2020095100-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D3/043?
- CPC B66D3/043 is the Cooperative Patent Classification code for “Block and tackle system with variable number of cable parts.”
- How many patents are filed under CPC B66D3/043 (Block and tackle system with variable number of cable parts)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B66D3/043 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).