B66F 2700/057
Pistons
Official title: Pistons, e.g. telescopic; Cylinders or sealing joints; Hydraulic travel-limiting devices or shock damping
B66F2700/057 (Pistons) appears on 9 US grants and 15 published applications in this corpus.
Search patents in B66F- Granted patents
- 9
- Published applications
- 15
- Assignees
- 9
- Inventors
- 33
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 4 |
| 2020 | 0 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Electric hydraulic floor jack7 Oct 2025US 12,434,952 B2Zhejiang Ep Technology Co., Ltd
- Hydraulic jack9 Apr 2024US 11,952,248 B1Walton.K.K International Business Group, Inc.
- Jack with a protecting structure of a pump piston and method for using the same10 Oct 2023US 11,780,717 B2Fuyang Tongli Industrial Co., Ltd.
- Extendable vehicle jack30 May 2023US 11,661,322 B1
- Hinged carriage deck for vertical reciprocating conveyor31 May 2022US 11,345,576 B2Pflow Industries, Inc.
- Frameless lightweight post-tensioning jack and method for using same20 Mar 2025US 2025/0091844 A1
- Lifting device9 May 2024US 2024/0150156 A1Gl GmbH Metall-Und Werkstatttechnik
- Electric hydraulic floor jack18 Jan 2024US 2024/0017975 A1Zhejiang Ep Technology Co., Ltd
- Jack with a protecting structure of a pump piston and method for using the same14 Oct 2021US 2021/0316973 A1Fuyang Tongli Industrial Co., Ltd.
- Flexible In-Ground Lifting System for Lifting a Vehicle and Method Therefor25 Feb 2021US 2021/0053807 A1Stertil B. V.
Most cited
By later US patents