Zeeco, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Dec 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 Mar 12 to 22, 2027 · next Mar 12
- 1 fee due Jun 29, 2027The maintenance fee for Low NOx burner apparatus and method (US 9,222,668) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
- 1 fee due Aug 23, 2027The maintenance fee for Apparatus and method for monitoring flares and flare pilots (US 9,267,686) comes due Aug 23, 2027. Unpaid by Feb 23, 2028, 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 7,670,135 | Burner and method for induction of flue gas In force · From the USPTO record | In force | From the USPTO record | |
| US 9,138,791 | Apparatus for installing a retractable thermocouple In force · From the USPTO record | In force | From the USPTO record | |
| US 8,485,010 | Method and apparatus for installing a retractable thermocouple In force · From the USPTO record | In force | From the USPTO record | |
| US 9,222,668 | Low NOx burner apparatus and method In force · From the USPTO record | In force | From the USPTO record | |
| US 9,267,686 | Apparatus and method for monitoring flares and flare pilots In force · From the USPTO record | In force | From the USPTO record | |
| US 9,593,847 | Fuel-flexible burner apparatus and method for fired heaters In force · From the USPTO record | In force | From the USPTO record | |
| US 9,593,848 | Non-symmetrical low NOx burner apparatus and method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,920,979 | Low NOx burner and flow momentum enhancing device In force · From the USPTO record | In force | From the USPTO record | |
| US 12,018,569 | Portable electrical energy produced from waste gas or liquid In force · From the USPTO record | In force | From the USPTO record | |
| US 11,353,212 | Low NOxburner apparatus and method In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 15: 9 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 no status recorded