Delavan Inc.
234 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded as renamed to Collins Engine Nozzles, Inc. (2022)
2
Ending by 2030
Feb 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.
- 2 fees due Dec 20 to 27, 2026 · next Dec 20
- 1 fee due Jan 4, 2027The maintenance fee for Torch igniter cooling system (US 11,692,488) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
- 1 fee due Feb 8, 2027The maintenance fee for Torch igniter cooling system (US 11,719,162) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
- 2 fees due Mar 3 to 12, 2027 · next Mar 3
- 1 fee due Apr 3, 2027The maintenance fee for Thermal resistant air cap (US 11,774,097) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
- 1 fee due Jun 19, 2027The maintenance fee for Dual fuel gas turbine engine pilot nozzles (US 11,846,425) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
- 2 fees due Aug 6 to 27, 2027 · next Aug 6
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 8,128,007 | Radially Outward Flowing Air-Blast Fuel Injector for Gas Turbine Engine In force · High confidence | In force | High confidence | |
| US 8,146,837 | Radially Outward Flowing Air-Blast Fuel Injection for Gas Turbine Engine In force · High confidence | In force | High confidence | |
| US 10,001,280 | Compensating for thermal expansion via controlled tube buckling In force · From the USPTO record | In force | From the USPTO record | |
| US 9,689,571 | Offset stem fuel distributor In force · From the USPTO record | In force | From the USPTO record | |
| US 9,625,146 | Swirl slot relief in a liquid swirler In force · From the USPTO record | In force | From the USPTO record | |
| US 9,581,121 | Retention feature for fuel injector nozzle In force · From the USPTO record | In force | From the USPTO record | |
| US 9,574,776 | Three-piece airblast fuel injector In force · From the USPTO record | In force | From the USPTO record | |
| US 9,625,155 | Compensating for thermal expansion via controlled tube buckling In force · From the USPTO record | In force | From the USPTO record | |
| US 10,207,325 | Additive Manufacture from Machined Surface In force · High confidence | In force | High confidence | |
| US 11,067,278 | Cooling in staged fuel systems In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 32: 234 patents in force now held by others · 30 lapsed for an unpaid fee · 43 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.
2 abandoned · 59 no status recorded