DarkVision Technologies Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Mar 2036
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 Feb 15 to 22, 2027 · next Feb 15
- 1 fee due Mar 12, 2027The maintenance fee for Intelligent Localized High-Resolution Imaging of Tubulars (US 11,758,291) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
- 1 fee due Apr 24, 2027The maintenance fee for Compressing Ultrasound Data in a Downhole Tool (US 11,795,816) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
- 1 fee due Sep 5, 2027The maintenance fee for Methods and Apparatus for Coiled Tubing Inspection by Ultrasound (US 11,920,412) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 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 11,619,125 | Device and Method to Image Flow in Oil and Gas Wells Using Phased Array Doppler Ultrasound In force · Medium confidence | In force | Medium confidence | |
| US 12,129,753 | Device and Method to Image Flow in Oil and Gas Wells Using Phased Array Doppler Ultrasound In force · Medium confidence | In force | Medium confidence | |
| US 10,781,690 | Devices and Methods for Imaging Wells Using Phased Array Ultrasound In force · High confidence | In force | High confidence | |
| US 11,326,445 | Devices and Methods for Imaging Wells Using Phased Array Ultrasound In force · High confidence | In force | High confidence | |
| US 11,092,002 | Device and Method to Image Flow in Oil and Gas Wells Using Phased Array Doppler Ultrasound In force · High confidence | In force | High confidence | |
| US 12,146,402 | Ultrasonic Imaging Device and Method for Wells In force · High confidence | In force | High confidence | |
| US 12,066,406 | Rotatable Imaging Sensor in a Wellbore In force · High confidence | In force | High confidence | |
| US 12,010,441 | Intelligent Localized High-Resolution Imaging of Tubulars In force · High confidence | In force | High confidence | |
| US 11,378,550 | Surface Extraction for Ultrasonic Images Using Path Energy In force · High confidence | In force | High confidence | |
| US 11,733,380 | Using an Acoustic Device to Identify External Apparatus Mounted to a Tubular In force · High confidence | In force | High confidence |
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 no status recorded