System and method for deploying and recovering an autonomous underwater craft by a recovery vehicle towed by a ship, underwater exploration assembly
US-12459605-B2 · Nov 4, 2025 · US
for varying rope or cable tension, e.g. when recovering craft from water
for varying rope or cable tension, e.g. when recovering craft from water · 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 | B66D1/52 |
| Official title | for varying rope or cable tension, e.g. when recovering craft from water |
| Display label | for varying rope or cable tension, e.g. when recovering craft from water |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for deploying and recovering an autonomous underwater craft by a recovery vehicle towed by a ship, underwater exploration assembly
US-2024083553-A1 · Mar 14, 2024 · US
Hoisting system and method for hoisting a vertically-suspended object
US-11312452-B2 · Apr 26, 2022 · US
Method of upgrading a knuckle-boom crane and a heave-compensating crane
US-11305970-B2 · Apr 19, 2022 · US
Fibre Rope and Hoisting System Including Such a Fibre Rope
US-2021277598-A1 · Sep 9, 2021 · US
Hoisting system and method for hoisting a vertically-suspended object
US-2021221659-A1 · Jul 22, 2021 · US
Tension balance system and method for steel wire ropes on friction hoisting driving end of ultra-deep well
US-11046561-B2 · Jun 29, 2021 · US
Bridle bite adjustment
US-11048003-B2 · Jun 29, 2021 · US
Winch and Level Wind
US-2021130144-A1 · May 6, 2021 · US
Wave-induced motion compensating crane for use on an offshore vessel, vessel and load transferring method
US-10941023-B2 · Mar 9, 2021 · US
Tension balance system and method for steel wire ropes on friction hoisting driving end of ultra-deep well
US-2021053805-A1 · Feb 25, 2021 · US
Method of motion compensation with synthetic rope
US-10926981-B2 · Feb 23, 2021 · US
Bridle bite adjustment
US-2020191986-A1 · Jun 18, 2020 · US
Compensator device
US-10619693-B2 · Apr 14, 2020 · US
Method of Upgrading a Knuckle-Boom Crane and a Heave-Compensating Crane
US-2020062554-A1 · Feb 27, 2020 · US
Method of motion compensation with synthetic rope
US-2019345013-A1 · Nov 14, 2019 · US
A wave-induced motion compensating crane for use on an offshore vessel, vessel and load transferring method
US-2019337772-A1 · Nov 7, 2019 · US
Riser support system
US-2019323301-A1 · Oct 24, 2019 · US
Method of motion compensation with synthetic rope
US-10421649-B2 · Sep 24, 2019 · US
System for controlling the movement of a load
US-10359093-B2 · Jul 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D1/52?
- CPC B66D1/52 is the Cooperative Patent Classification code for “for varying rope or cable tension, e.g. when recovering craft from water.”
- How many patents are filed under CPC B66D1/52 (for varying rope or cable tension, e.g. when recovering craft from water)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B66D1/52 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).