Traffic Control Technology Co., Ltd
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Sep 2037
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 25, 2027The maintenance fee for Method and device for optimizing target operation speed curve in ATO of train (US 11,708,098) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
- 2 fees due Aug 18 to 27, 2027 · next Aug 18
- 2 fees due Oct 2 to 16, 2027 · next Oct 2
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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,875,559 | Preceding train identification method based on object controller, vehicle on board controller and train In force · From the USPTO record | In force | From the USPTO record | |
| US 10,297,153 | Vehicle On-Board Controller Centered Train Control System In force · High confidence | In force | High confidence | |
| US 10,259,478 | Vehicle-vehicle communication based urban train control system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,563,976 | Method and system for detecting a gauge of a metro vehicle In force · From the USPTO record | In force | From the USPTO record | |
| US 11,148,691 | Switch control method, device and controller In force · From the USPTO record | In force | From the USPTO record | |
| US 10,745,038 | Route resource controlling method, intelligent vehicle on-board controller and object controller In force · From the USPTO record | In force | From the USPTO record | |
| US 11,072,354 | Anti-pinch system and method for platform screen door and train In force · From the USPTO record | In force | From the USPTO record | |
| US 10,960,909 | Automatic train protection method, vehicle on-board controller and train based on vehicle-vehicle communication In force · From the USPTO record | In force | From the USPTO record | |
| US 12,304,539 | Automatic driving methods, vehicle on-board controllers, traffic control integrated automation systems, and zone controllers In force · From the USPTO record | In force | From the USPTO record | |
| US 11,708,098 | Method and device for optimizing target operation speed curve in ATO of train In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 1 patent 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.
1 pending · 3 no status recorded