Daritech, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Oct 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 14, 2026The maintenance fee for Feed systems and methods for rotary screen separators (US 10,286,340) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
- 1 fee due Dec 20, 2026The maintenance fee for Automated manifold for removing digestate from a lagoon digester (US 11,680,000) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
- 1 fee due Jul 2, 2027The maintenance fee for Self-flushing anaerobic digester system (US 11,858,870) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for Two-tank weired reservoir and method of use (US 10,568,298) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
- 2 fees due Sep 30, 2027
- 2 fees due Oct 7, 2027
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 8,142,667 | Manure separation for digester method and apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 8,201,495 | Pre-separator for a screen separator In force · From the USPTO record | In force | From the USPTO record | |
| US 7,987,778 | Pre-separator for a screen separator In force · From the USPTO record | In force | From the USPTO record | |
| US 8,889,016 | Systems and methods for extracting sand from raw slurry material In force · From the USPTO record | In force | From the USPTO record | |
| US 8,926,846 | Systems and Methods for Extracting Particulate from Raw Slurry Material In force · Low confidence | In force | Low confidence | |
| US 11,490,587 | Two-tank weired reservoir and method of use In force · From the USPTO record | In force | From the USPTO record | |
| US 10,286,340 | Feed systems and methods for rotary screen separators In force · From the USPTO record | In force | From the USPTO record | |
| US 11,582,943 | Two-Tank Wiered Reservoir and Method of Use In force · Medium confidence | In force | Medium confidence | |
| US 10,603,611 | Cleaning systems and methods for rotary screen separators In force · From the USPTO record | In force | From the USPTO record | |
| US 10,568,298 | Two-tank weired reservoir and method of use In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 16: 15 lapsed for an unpaid fee · 5 ended at full term · 1 surrendered on reissue. 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.
13 no status recorded