Whitefox Technologies Limited
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
2
Ending by 2030
Jan 2027
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 11, 2027The maintenance fee for High-Grade Ethanol Production Process (US 11,697,630) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
- 1 fee due Apr 10, 2027The maintenance fee for Process and System for Dehydrating a Product Stream in Ethanol Production (US 11,779,858) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.
- 2 fees due May 12 to 26, 2027 · next May 12
- 1 fee due Jun 29, 2027The maintenance fee for PBI modification and cross-linking methods (US 9,221,951) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
Recent changes
- 1 term has ended 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,692,080 | Head plate In force · From the USPTO record | In force | From the USPTO record | |
| US 8,834,717 | Head plate In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 9,873,768 | PBI modification and cross-linking methods In force · From the USPTO record | In force | From the USPTO record | |
| US 9,221,951 | PBI modification and cross-linking methods In force · From the USPTO record | In force | From the USPTO record | |
| US 10,472,468 | PBI modification and cross-linking methods In force · From the USPTO record | In force | From the USPTO record | |
| US 9,511,328 | Method for sealing membrane modules In force · From the USPTO record | In force | From the USPTO record | |
| US 11,007,452 | Process and System for Dehydrating a Product Stream in Ethanol Production In force · High confidence | In force | High confidence | |
| US 10,486,079 | Process and System for Dehydrating a Byproduct Stream in Ethanol Production In force · High confidence | In force | High confidence | |
| US 10,729,987 | Process and System for Heat Integration in Ethanol Production In force · High confidence | In force | High confidence | |
| US 11,426,675 | Process and System for Heat Integration in Ethanol Production In force (reinstated) · High confidence | In force (reinstated) | High confidence |
Also on record, not counted in the 18: 1 lapsed for an unpaid fee. 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.
5 pending · 4 no status recorded