Johnson Matthey Process Technologies, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Intercat, Inc. (to 2014)
9
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 Dec 6, 2026The maintenance fee for Additive for FCC process (US 11,666,895) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
- 2 fees due Jun 5, 2027
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 7,431,894 | Catalyst withdrawal apparatus for regulating catalyst inventory in a fluid catalyst cracking unit In force · From the USPTO record | In force | From the USPTO record | |
| US 7,560,078 | Vacuum powered addition system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,842,250 | Mobile fluid catalytic cracking injection system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,605,333 | Vacuum powered addition system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,815,867 | Smart addition system In force · From the USPTO record | In force | From the USPTO record | |
| US 8,097,213 | Calibration system, material delivery system, and methods for such delivery and calibration In force · From the USPTO record | In force | From the USPTO record | |
| US 8,146,414 | Material withdrawal apparatus and methods of regulating material inventory in one or more units In force · From the USPTO record | In force | From the USPTO record | |
| US 8,092,756 | Catalyst withdrawal apparatus and method for regulating catalyst inventory in a unit In force · From the USPTO record | In force | From the USPTO record | |
| US 8,236,247 | Material withdrawal apparatus and methods of regulating material inventory in one or more units In force · From the USPTO record | In force | From the USPTO record | |
| US 8,926,928 | Process of Removing HCN from Flue Gas In force · High confidence | In force | High confidence |
Also on record, not counted in the 18: 8 lapsed for an unpaid fee · 20 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 abandoned · 2 no status recorded