Gastechno Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
5
Ending by 2030
Mar 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 18, 2026The maintenance fee for Upgrading of a raw blend into a diesel fuel substitute: poly(dimethoxymethane) (US 10,322,397) comes due Dec 18, 2026. Unpaid by Jun 21, 2027, it lapses early.
- 1 fee due May 3, 2027The maintenance fee for Reactive scrubbing for upgrading product value, simplifying process operation and product handling (US 9,174,903) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
- 1 fee due Jul 2, 2027The maintenance fee for Integrated system of biomass to renewable natural gas to methanol, and other value added products (US 11,859,137) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Aug 9, 2027The maintenance fee for Efficiency, flexibility, and product value of a direct alkanes to oxygenates process (US 9,255,051) comes due Aug 9, 2027. Unpaid by Feb 9, 2028, it lapses early.
- 1 fee due Sep 17, 2027The maintenance fee for Diesel fuel composition (US 10,590,357) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted 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 8,202,916 | Method of and apparatus for producing methanol In force · From the USPTO record | In force | From the USPTO record | |
| US 10,287,224 | Method and apparatus for producing methanol with hydrocarbon recycling In force · From the USPTO record | In force | From the USPTO record | |
| US 9,180,426 | Scrubber for methanol production system In force · From the USPTO record | In force | From the USPTO record | |
| US 7,472,588 | Petrophysical fluid flow property determination In force · From the USPTO record | In force | From the USPTO record | |
| US 7,910,787 | Method and system for methanol production In force · From the USPTO record | In force | From the USPTO record | |
| US 9,745,238 | Ether blends via reactive distillation In force · From the USPTO record | In force | From the USPTO record | |
| US 10,221,118 | Ether Blends via Reactive Distillation In force · Medium confidence | In force | Medium confidence | |
| US 10,975,011 | Ether blends via reactive distillation In force · From the USPTO record | In force | From the USPTO record | |
| US 10,099,199 | Reactive scrubbing for upgrading product value, simplifying process operation and product handling In force · From the USPTO record | In force | From the USPTO record | |
| US 9,255,051 | Efficiency, flexibility, and product value of a direct alkanes to oxygenates process In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 24: 7 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.