Patents

US 11506326 B2: Repair of active leaks in industrial systems using cold spray

Granted
2022-11-22
Filed
2018-06-13 application 17251638
Type
Utility · 19 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

A method of repairing an active leak in embodiments of the present invention may include one or more of the following steps: (a) identifying the active leak on a pipe structure, tank or pressure vessel, (b) setting cold spray system settings to repair the pipe structure, (c) administering pressurized gas and metal powder to an active pipe leak, (d) identifying any potential hazards surrounding the active pipe leak, (e) eliminating and/or reducing the potential hazards surround the active pipe leak, (f) inserting a wedge within an active leak pipe hole, (g) ceasing administration of pressurized gas and metal powder to the active pipe leak when it appears sealed, (h) verifying the active pipe leak is sealed, and (i) re-administering the pressurized gas and the metal powder to the active leak is the active leak is not fully sealed.

Source: PVGPATDIS, file of 2026-04-10 (ipg221122.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
SOUTH DAKOTA BOARD OF REGENTS 87 patentsUS company or organizationPierre, SDPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Christian WidenerRapid City, SD11PVGPATDIS, file of 2026-04-10
Bharath JasthiRapid City, SD1PVGPATDIS, file of 2026-04-10
Dimeji OladepoRapid City, SD1PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
F16LPipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in generalF16L55/18PVGPATDIS, file of 2026-04-10
B05BSpraying apparatus; atomising apparatus; nozzlesB05B7/1486PVGPATDIS, file of 2026-04-10
C23CCoating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in generalC23C24/04PVGPATDIS, file of 2026-04-10
B23PMetal-working not otherwise provided for; combined operations; universal machine toolsB23P6/04PVGPATDIS, file of 2026-04-10

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

Assignments and security interests

RecordedWhatFromToReel/frameSource
2020-12-22Assignment
Assignment of assignor's interest
JASTHI, BHARATH signed 2020-12-09
OLADEPO, DIMEJI signed 2020-12-11
WIDENER, CHRISTIAN signed 2020-12-11
SOUTH DAKOTA BOARD OF REGENTS PIERRE, SD54730/769ECORSEXC, 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.