Torque strap for cable drum sleeve
US-2025313436-A1 · Oct 9, 2025 · US
Attachment of ropes or cables to drums or barrels
Attachment of ropes or cables to drums or barrels · 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 | B66D1/34 |
| Official title | Attachment of ropes or cables to drums or barrels |
| Display label | Attachment of ropes or cables to drums or barrels |
| Total patents | 35 |
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 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 6 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rope drum of rope hoist and fastening device of hoisting rope
US-12202714-B2 · Jan 21, 2025 · US
Cable break-away safety device
US-11840430-B2 · Dec 12, 2023 · US
Retention system for a line on a spool
US-11708250-B2 · Jul 25, 2023 · US
Rope drum of rope hoist and fastening device of hoisting rope
US-2023146376-A1 · May 11, 2023 · US
Mast safety system
US-2021347616-A1 · Nov 11, 2021 · US
Retention system for a line on a spool
US-2021221660-A1 · Jul 22, 2021 · US
Cable break-away safety device
US-2021163272-A1 · Jun 3, 2021 · US
Cable break-away safety device
US-10954109-B2 · Mar 23, 2021 · US
Hoisting arrangement of rope hoist
US-10926982-B2 · Feb 23, 2021 · US
Device and method for securing end of braided hoisting rope to lifting device
US-10889476-B2 · Jan 12, 2021 · US
Wedge-style line clamp
US-10807842-B2 · Oct 20, 2020 · US
Hoist drum and fiber rope drive having such a hoist drum
US-10807841-B2 · Oct 20, 2020 · US
Controlled translation method of affixing a termination to a multi-stranded tensile member
US-10591022-B2 · Mar 17, 2020 · US
Device and method for securing end of braided hoisting rope to lifting device
US-2020079626-A1 · Mar 12, 2020 · US
Controlled translation method of affixing a termination to a tensile member
US-10563727-B2 · Feb 18, 2020 · US
Hoist drum for power shovel
US-10538896-B2 · Jan 21, 2020 · US
Wedge-Style Line Clamp
US-2019248632-A1 · Aug 15, 2019 · US
Controlled Translation Method of Affixing a Termination to a Multi-Stranded Tensile Member
US-2019178342-A1 · Jun 13, 2019 · US
Controlled Translation Method of Affixing a Termination to a Tensile Member
US-2019178341-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D1/34?
- CPC B66D1/34 is the Cooperative Patent Classification code for “Attachment of ropes or cables to drums or barrels.”
- How many patents are filed under CPC B66D1/34 (Attachment of ropes or cables to drums or barrels)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B66D1/34 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).