Thermatool Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
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 Apr 10, 2027The maintenance fee for High frequency power supply system with closely regulated output for heating a workpiece (US 11,784,576) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, 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 7,683,288 | System and method of computing the operating parameters of a forge welding machine In force · From the USPTO record | In force | From the USPTO record | |
| US 8,501,083 | Spray quench systems for heat treated metal products In force · From the USPTO record | In force | From the USPTO record | |
| US 8,986,600 | Spray quench systems for heat treated metal products In force · From the USPTO record | In force | From the USPTO record | |
| US 8,980,164 | Spray Quench Systems for Heat Treated Metal Products In force · Medium confidence | In force | Medium confidence | |
| US 8,558,133 | System and method of computing the operating parameters of a forge welding machine In force · From the USPTO record | In force | From the USPTO record | |
| US 11,013,072 | Induction coil with dynamically variable coil geometry In force · From the USPTO record | In force | From the USPTO record | |
| US 10,701,769 | Induction coil with dynamically variable coil geometry In force · From the USPTO record | In force | From the USPTO record | |
| US 9,924,567 | Induction coil with dynamically variable coil geometry In force · From the USPTO record | In force | From the USPTO record | |
| US 10,024,735 | Heat energy sensing and analysis for welding processes In force · From the USPTO record | In force | From the USPTO record | |
| US 10,405,378 | High Frequency Power Supply System with Closely Regulated Output for Heating a Workpiece In force · High confidence | In force | High confidence |
Also on record, not counted in the 12: 1 lapsed for an unpaid fee · 30 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 pending