Inductotherm Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
7
Ending by 2030
Jan 2028
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 17, 2027The maintenance fee for Electric induction heating and melting furnace refractory life cycle wear imaging and processing (US 11,788,161) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
- 2 fees due Jun 29 to 30, 2027 · next Jun 29
- 2 fees due Sep 12 to 24, 2027 · next Sep 12
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
- 2 terms have ended since Aug 17, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,260,810 | Channel electric inductor assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 7,598,632 | Current fed inverter with pulse regulator for electric induction heating, melting and stirring In force · From the USPTO record | In force | From the USPTO record | |
| US 8,855,168 | Channel electric inductor assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 9,226,344 | Melting and mixing of materials in a crucible by electric induction heel process In force · From the USPTO record | In force | From the USPTO record | |
| US 9,357,588 | Melting and mixing of materials in a crucible by electric induction heel process In force · From the USPTO record | In force | From the USPTO record | |
| US 9,056,776 | Remote Cool Down of a Purified Directionally Solidified Material From an Open Bottom Cold Crucible Induction Furnace In force · Low confidence | In force | Low confidence | |
| US 9,462,640 | Melting and mixing of materials in a crucible by electric induction heel process In force · From the USPTO record | In force | From the USPTO record | |
| US 8,134,835 | Compression clamping of semiconductor components In force · From the USPTO record | In force | From the USPTO record | |
| US 8,562,325 | Remote cool down of a purified directionally solidified material from an open bottom cold crucible induction furnace In force · From the USPTO record | In force | From the USPTO record | |
| US 9,370,049 | Electric induction heating, melting and stirring of materials non-electrically conductive in the solid state In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 48: 19 lapsed for an unpaid fee · 79 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.
3 pending · 8 no status recorded