Hydro Dynamics, Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
2
Ending by 2030
Jun 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 Nov 30, 2026The maintenance fee for System and Method for Treatment of Plants for Synthesis of Compounds Therefrom (US 11,660,581) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, 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.
Showing 1 to 9 of 9
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,771,582 | Method and apparatus for conducting a chemical reaction in the presence of cavitation and an electrical current In force · From the USPTO record | In force | From the USPTO record | |
| US 8,430,968 | Method of extracting starches and sugar from biological material using controlled cavitation In force · From the USPTO record | In force | From the USPTO record | |
| US 9,469,548 | Continuous hydrodynamic cavitation crystallization In force · From the USPTO record | In force | From the USPTO record | |
| US 10,220,365 | Method and apparatus for hydrogenating substances using controlled mechanically induced cavitation In force · From the USPTO record | In force | From the USPTO record | |
| US 11,155,741 | Method of enhancing hydration of viscosifiers using controlled mechanically induced cavitation In force · From the USPTO record | In force | From the USPTO record | |
| US 10,173,191 | Abrasion resistant controlled cavitation reactor In force · From the USPTO record | In force | From the USPTO record | |
| US 11,326,137 | Method of infusing beer with hops flavoring using controlled mechanically induced cavitation In force · From the USPTO record | In force | From the USPTO record | |
| US 12,168,212 | System and Method for Treatment of Plants for Synthesis of Compounds Therefrom In force · High confidence | In force | High confidence | |
| US 11,660,581 | System and Method for Treatment of Plants for Synthesis of Compounds Therefrom In force · High confidence | In force | High confidence |
Also on record, not counted in the 9: 1 patent in force now held by others · 2 lapsed for an unpaid fee · 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.
1 pending · 6 no status recorded