Patents

US 12544771 B2: Electrode apparatus for creating a non-uniform electric field to remove polarized molecules in a fluid

Granted
2026-02-10
Filed
2020-02-18 application 17431989
Type
Utility · 31 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

An electrode apparatus and method remove a polarized molecule in a fluid. In another aspect, a non-uniform electric field is created between an anode and a cathode, the fluid flows within a gap between the cathode and the anode, and the polarized molecule is driven by an electrostatic force to and adsorbed on the anode without experiencing a chemical reaction.

Source: PTBLXML, file of 2026-02-10 (ipgb20260210.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Board of Trustees of Michigan State University 669 patentsUS company or organizationEast Lansing, MIPTBLXML, file of 2026-02-10
Fraunhofer USA Inc. 49 patentsUS company or organizationPlymouth, MIFRAUNHOFER USA INC Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and statePTBLXML, file of 2026-02-10

Inventors

InventorPlacePatentsPerson pageSource
Qi Hua FanOkemos, MI11PTBLXML, file of 2026-02-10
Keliang WangOkemos, MIPTBLXML, file of 2026-02-10

CPC categories

SubclassCategoryFirst groupSource
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids; separation by high-voltage electric fieldsB03C5/026PTBLXML, file of 2026-02-10
C02FTreatment of water, waste water, sewage, or sludgeC02F1/48PTBLXML, file of 2026-02-10

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

Assignments and security interests

RecordedWhatFromToReel/frameSource
2025-05-16Government interest
Confirmatory license
MICHIGAN STATE UNIVERSITY signed 2021-10-21NATIONAL SCIENCE FOUNDATION ALEXANDRIA, VA71298/234PASDL, file of 2026-10-15
2021-10-19Assignment
Assignment of assignor's interest
WANG, KELIANG signed 2021-09-29FRAUNHOFER USA INC. PLYMOUTH, MI57833/749PASDL, file of 2026-10-15
2021-10-19Assignment
Assignment of assignor's interest
FAN, QI HUA signed 2021-09-29BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY EAST LANSING, MI57832/948PASDL, file of 2026-10-15

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.