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

AssigneeTypePlaceAlso on furp.orgSource
ButlerBilt L.L.C. 3 patentsUS company or organizationCarleton, MIPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Michael ButlerFlat Rock, MI5PVGPATDIS, file of 2026-04-10
John LambertNewport, MI4PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
H02GInstallation of electric cables or lines, or of combined optical and electric cables or linesH02G1/081PVGPATDIS, file of 2026-04-10
F15BSystems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details of fluid-pressure systems, not otherwise provided forF15B15/1404PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2021-08-24Assignment
Assignment of assignor's interest
BUTLER, MICHAEL signed 2021-08-16
LAMBERT, JOHN signed 2021-08-16
BUTLERBILT L.L.C. FLAT ROCK, MI57270/904ECORSEXC, 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.