DN Solutions Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
Previously recorded as Doosan Machine Tools Co., Ltd. (to 2022)
5
Ending by 2030
Nov 2026
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 Nov 30, 2026The maintenance fee for Automatic attachment changer and boring machine having same (US 11,660,715) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
- 2 fees due Feb 6 to 22, 2027 · next Feb 6
- 1 fee due Apr 29, 2027The maintenance fee for Method for setting feed rate of rotating cutting tool in real time and control device (US 10,459,420) comes due Apr 29, 2027. Unpaid by Oct 29, 2027, it lapses early.
- 1 fee due May 24, 2027The maintenance fee for Operational programs and tools selection method of numerical control composite machine (US 9,195,366) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.
- 3 fees due Aug 13, 2027
- 1 fee due Nov 10, 2027The maintenance fee for Tool carrier unit of a tool magazine (US 9,333,609) comes due Nov 10, 2027. Unpaid by May 10, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,637,188 | Workpiece ejecting device for a machine tool In force · From the USPTO record | In force | From the USPTO record | |
| US 7,501,779 | Turret servo control device with overriding and control method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US D711,947 | Machine center In force · From the USPTO record | In force | From the USPTO record | |
| US D711,948 | Numerical control machine center In force · From the USPTO record | In force | From the USPTO record | |
| US D757,025 | Display Screen with Graphical User Interface for Machine Tool In force · High confidence | In force | High confidence | |
| US 8,850,917 | Spindle drive In force · From the USPTO record | In force | From the USPTO record | |
| US 8,942,843 | Tool path forming method in milling processing system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,005,092 | Tool Gripper Chain Bendable in Two Directions In force · High confidence | In force | High confidence | |
| US 9,557,897 | Apparatus and method for inputting cutting shape using interactive program in computer numerical control machine tool In force · From the USPTO record | In force | From the USPTO record | |
| US 9,013,131 | Real-Time Servo Motor Controller Based on a Load Weight In force · High confidence | In force | High confidence |
Also on record, not counted in the 87: 1 ended at full term. 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 · 1 no status recorded