Dual action hydraulic piston assembly
US-12438323-B2 · Oct 7, 2025 · US
telescopic
telescopic · 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 | B66F3/28 |
| Official title | telescopic |
| Display label | telescopic |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic oil-circuit system and hydraulic jack
US-12410824-B2 · Sep 9, 2025 · US
Frameless lightweight post-tensioning jack and method for using same
US-2025091844-A1 · Mar 20, 2025 · US
Hydraulic lifting column and medical device
US-2024351834-A1 · Oct 24, 2024 · US
Hydraulic jack having a dc power supply
US-2024124281-A1 · Apr 18, 2024 · US
Lifting support device and method of controlling operation
US-11953144-B2 · Apr 9, 2024 · US
Dual action hydraulic piston assembly
US-2023335963-A1 · Oct 19, 2023 · US
Long reach cable cutting tool including dual action hydraulic piston assembly and releasable connections
US-11728608-B2 · Aug 15, 2023 · US
Hydraulic swivel system for a hydraulic lifting column and lifting column
US-2023175639-A1 · Jun 8, 2023 · US
Hydraulic oil-circuit system and hydraulic jack
US-2022381265-A1 · Dec 1, 2022 · US
Lifting support device and method of controlling operation
US-2022074539-A1 · Mar 10, 2022 · US
Side saddle slingshot drilling rig
US-11230855-B2 · Jan 25, 2022 · US
Lifting support device and method of controlling operation
US-11209121-B2 · Dec 28, 2021 · US
Telescopic column
US-11047448-B2 · Jun 29, 2021 · US
Side saddle slingshot drilling rig
US-2020270892-A1 · Aug 27, 2020 · US
Side saddle slingshot drilling rig
US-10731375-B2 · Aug 4, 2020 · US
Long reach cable cutting tool including dual action hydraulic piston assembly and releasable connections
US-2020006907-A1 · Jan 2, 2020 · US
Side saddle slingshot drilling rig
US-2019145122-A1 · May 16, 2019 · US
Side saddle slingshot drilling rig
US-10214936-B2 · Feb 26, 2019 · US
Telescopic column
US-2018312377-A1 · Nov 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66F3/28?
- CPC B66F3/28 is the Cooperative Patent Classification code for “telescopic.”
- How many patents are filed under CPC B66F3/28 (telescopic)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B66F3/28 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).