Hydrolite Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Pocell Tech Ltd. (to 2020)
6
Ending by 2030
Jun 2029
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 May 17, 2027The maintenance fee for Aqueous-Based Electric Double-Layer Capacitor (US 9,190,221) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.
- 1 fee due Jun 15, 2027The maintenance fee for Systems and methods of securing immunity to air CO2 in alkaline fuel cells (US 9,214,691) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, it lapses early.
- 2 fees due Jul 12 to 30, 2027 · next Jul 12
- 1 fee due Nov 3, 2027The maintenance fee for Aqueous-Based Electric Double-Layer Capacitor (US 9,330,855) comes due Nov 3, 2027. Unpaid by May 3, 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 8,257,872 | Alkaline membrane fuel cells and apparatus and methods for supplying water thereto In force · From the USPTO record | In force | From the USPTO record | |
| US 8,637,196 | Alkaline membrane fuel cells and apparatus and methods for supplying water thereto In force · From the USPTO record | In force | From the USPTO record | |
| US 7,943,258 | Alkaline membrane fuel cells and apparatus and methods for supplying water thereto In force · From the USPTO record | In force | From the USPTO record | |
| US 8,304,368 | Catalyst coated membrane (CCM) and catalyst film/layer for alkaline membrane fuel cells and methods of making same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,214,691 | Systems and methods of securing immunity to air CO2 in alkaline fuel cells In force · From the USPTO record | In force | From the USPTO record | |
| US 9,368,819 | Systems and methods of securing immunity to air CO2 in alkaline fuel cells In force · From the USPTO record | In force | From the USPTO record | |
| US 10,741,849 | Preparation of advanced CCMs for AMFCs by amination and cross-linking of the precursor form of the ionomer In force · From the USPTO record | In force | From the USPTO record | |
| US 10,096,839 | Preparation of advanced CCMs for AMFCs by amination and cross-linking of the precursor form of the ionomer In force · From the USPTO record | In force | From the USPTO record | |
| US 9,236,624 | Use of ammonia as source of hydrogen fuel and as a getter for air-CO2 in alkaline membrane fuel cells In force · From the USPTO record | In force | From the USPTO record | |
| US 9,499,402 | Method for preparing a supported ruthenium catalyst In force · From the USPTO record | In force | From the USPTO record |
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.
7 pending · 1 abandoned · 1 no status recorded