B66D 2700/028
Pulley blocks with multiple sheaves
B66D2700/028 (Pulley blocks with multiple sheaves) appears on 6 US grants and 7 published applications in this corpus.
Search patents in B66D- Granted patents
- 6
- Published applications
- 7
- Assignees
- 6
- Inventors
- 10
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
By publication year.
Recent patents
- Pulley31 Dec 2024US 12,180,045 B2Treemagineers Ltd.
- Simultaneously oppositely rotating sheaves17 Dec 2024US 12,168,596 B2
- Hoisting and tensioning bearing saver22 Mar 2022US 11,279,601 B2National Oilwell Varco, L. P.
- Elevator sheave assembly13 Jul 2021US 11,059,699 B2TK Elevator Innovation and Operations GmbH
- Hook block base body26 May 2020US 10,662,041 B2Liebherr-Werk Ehingen GmbH
- Pulley assembly24 Oct 2024US 2024/0351832 A1Treemagineers Ltd.
- Pulley15 Dec 2022US 2022/0396456 A1Treemagineers Ltd.
- Simultaneously oppositely rotating sheaves28 Oct 2021US 2021/0331901 A1
- Elevator Sheave Assembly29 Aug 2019US 2019/0263631 A1thyssenkrupp AG
- Hook block base body14 Mar 2019US 2019/0077643 A1Liebherr-Werk Ehingen GmbH
Most cited
By later US patents
- Hoisting and tensioning bearing saver3US 11,279,601 B2National Oilwell Varco, L. P. · 2022
- Elevator sheave assembly2US 11,059,699 B2TK Elevator Innovation and Operations GmbH · 2021
- Adjustable roller system for rope rescues and rope climbing1US 10,549,966 B22020
- Hook block base body1US 10,662,041 B2Liebherr-Werk Ehingen GmbH · 2020