BWP Group
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Sep 2032
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Jan 16, 2027The maintenance fee for Methods and apparatus for reducing machine winding circulating current losses (US 10,355,550) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
- 1 fee due Aug 23, 2027The maintenance fee for Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements (US 9,269,483) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, it lapses early.
Recent changes
- 1 term has ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,242,783 | Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements In force · From the USPTO record | In force | From the USPTO record | |
| US 9,269,483 | Flux focusing arrangement for permanent magnets, methods of fabricating such arrangements, and machines including such arrangements In force · From the USPTO record | In force | From the USPTO record | |
| US 8,941,961 | Methods and Apparatus for Protection in a Multi-Phase Machine In force · High confidence | In force | High confidence | |
| US 10,355,550 | Methods and apparatus for reducing machine winding circulating current losses In force · From the USPTO record | In force | From the USPTO record | |
| US 10,177,620 | Methods and Apparatus for Segmenting a Machine In force · High confidence | In force | High confidence |
Also on record, not counted in the 5: 2 patents in force now held by others · 16 lapsed for an unpaid fee. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.