Patents
US 11769992 B2: Hydraulic displacement mechanism and method of use
- Granted
- 2023-09-26
- Filed
- 2021-01-14 application 17148889
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Hydraulic displacement mechanisms, and methods of using hydraulic displacement mechanisms to remove cables jammed or stuck in a conduit or other passageways, are disclosed.
Source: PVGPATDIS, file of 2026-04-10 (ipg230926_r1.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| ButlerBilt L.L.C. 3 patents | US company or organization | Carleton, MI | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael Butler | Flat Rock, MI | 5 | PVGPATDIS, file of 2026-04-10 | |
| John Lambert | Newport, MI | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H02G | Installation of electric cables or lines, or of combined optical and electric cables or lines | H02G1/081 | PVGPATDIS, file of 2026-04-10 |
| F15B | Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details of fluid-pressure systems, not otherwise provided for | F15B15/1404 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2021-08-24 | Assignment Assignment of assignor's interest | BUTLER, MICHAEL signed 2021-08-16 LAMBERT, JOHN signed 2021-08-16 | BUTLERBILT L.L.C. FLAT ROCK, MI | 57270/904 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.