The Patent Finder

BWP Group

Also on record
Records under this name other than the patents BWP Group holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 5 patents it holds.

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PatentTitleStatus Expires Confidence
US 10,256,687Devices and Methods for Magnetic Flux Return Optimization in Electromagnetic Machines
Formerly held
In force (reinstated)
 · Medium confidence
In force (reinstated)Medium confidence
US 9,899,886Devices and methods for magnetic flux return optimization in electromagnetic machines
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,823,241Segmented Stator for an Axial Field Device
Lapsed on the fee record
Ended Sep 2, 2026 · High confidence
Lapsed on the fee recordEnded Sep 2, 2026High confidence
US 8,785,784Methods and Apparatus for Optimizing Structural Layout of Multi-Circuit Laminated Composite Assembly
Lapsed on the fee record
Ended Jul 22, 2026 · High confidence
Lapsed on the fee recordEnded Jul 22, 2026High confidence
US 8,736,133Methods and apparatus for overlapping windings
Lapsed on the fee record
Ended May 27, 2026 · From the USPTO record
Lapsed on the fee recordEnded May 27, 2026From the USPTO record
US 8,723,052Methods and apparatus for optimizing electrical interconnects on laminated composite assemblies
Lapsed on the fee record
Ended May 13, 2026 · From the USPTO record
Lapsed on the fee recordEnded May 13, 2026From the USPTO record
US 9,793,775Methods and apparatus for reducing machine winding circulating current losses
Lapsed on the fee record
Ended Oct 17, 2025 · From the USPTO record
Lapsed on the fee recordEnded Oct 17, 2025From the USPTO record
US 8,397,369Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements
Lapsed on the fee record
Ended Mar 19, 2025 · From the USPTO record
Lapsed on the fee recordEnded Mar 19, 2025From the USPTO record
US 8,400,038Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements
Lapsed on the fee record
Ended Mar 19, 2025 · From the USPTO record
Lapsed on the fee recordEnded Mar 19, 2025From the USPTO record
US 8,362,731Air gap control systems and methods
Lapsed on the fee record
Ended Jan 29, 2025 · From the USPTO record
Lapsed on the fee recordEnded Jan 29, 2025From the USPTO record
10 of 18 patents shown.
Pro members see all 18.
Pro members: see all 18 patents
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