LEN TECH Inc.
6 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
May 2038
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 Jun 19, 2027The maintenance fee for Load switch circuit and control method (US 11,848,667) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
- 1 fee due Aug 18, 2027The maintenance fee for Coupled inductor in a DC-DC converter (US 10,566,899) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 8 of 8
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,566,899 | Coupled inductor in a DC-DC converter In force · From the USPTO record | In force | From the USPTO record | |
| US 11,239,838 | Driving device and method of power device In force · From the USPTO record | In force | From the USPTO record | |
| US 11,245,394 | Power device driving device and driving method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,469,752 | Power device driver and method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,394,382 | Load switch circuit and control method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,848,667 | Load switch circuit and control method In force · From the USPTO record | In force | From the USPTO record | |
| US 12,342,431 | LED control method and system In force · From the USPTO record | In force | From the USPTO record | |
| US 12,641,694 | Fast PWM Dimming Apparatus and Control Method In force · High confidence | In force | High confidence |
Also on record, not counted in the 8: 6 patents in force now held by others. 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.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
2 pending