SM Tech Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Oct 2033
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 12, 2027The maintenance fee for Water hammer prevention system using operation state analysis algorithm (US 10,648,605) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted 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 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,353,899 | Water hammer recognizing and energy saving water hammer prevention system and method for controlling the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,648,605 | Water hammer prevention system using operation state analysis algorithm In force · From the USPTO record | In force | From the USPTO record | |
| US 12,181,776 | Rail Assembly Applied to Optical Actuator, Manufacturing Method Thereof and Insert Rail Structure Applied to Optical Actuator In force · High confidence | In force | High confidence | |
| US 12,242,170 | Frame assembly for optical actuator with rail shafts and manufacturing method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 12,328,043 | Motor frame applied to optical instrument actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 12,724,226 | Frame Module of Optical Actuator Driven by Shaft Sliding Method In force · High confidence | In force | High confidence |
Also on record, not counted in the 6: 1 lapsed for an unpaid fee · 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.
1 no status recorded