Drtech Corporation

12 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Jan 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

Recent changes

1 term has ended 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 7,437,991	System for pressing and vacuum treatment of cheese solids In force Term ends Jan 5, 2027 · From the USPTO record	In force	Term ends Jan 5, 2027	From the USPTO record
US D771,564	Battery charger for electronic device In force Term ends Nov 15, 2030 · From the USPTO record	In force	Term ends Nov 15, 2030	From the USPTO record
US 9,916,656	Method for processing radiographic image and radiography system In force Term ends Jan 24, 2036 · From the USPTO record	In force	Term ends Jan 24, 2036	From the USPTO record
US 11,246,553	Radiographic apparatus and radiographic method using same In force Term ends Dec 1, 2037 · From the USPTO record	In force	Term ends Dec 1, 2037	From the USPTO record
US 11,058,374	Radiation detector and radiography apparatus having the same In force Term ends Apr 10, 2039 · From the USPTO record	In force	Term ends Apr 10, 2039	From the USPTO record
US D1,095,263	Radiation detector In force Term ends Sep 30, 2040 · From the USPTO record	In force	Term ends Sep 30, 2040	From the USPTO record
US 12,306,358	Radiation Inspection Apparatus Including a Radiation Detector Comprising a Radiation Detecting Panel, a Bendtng Support Unit, and a Bending Adjustment Unit In force Term ends May 3, 2042 · High confidence	In force	Term ends May 3, 2042	High confidence
US 12,564,361	Radiographic Device and Radiation Flux Control Method In force Term ends Oct 15, 2042 · High confidence	In force	Term ends Oct 15, 2042	High confidence
US 12,544,032	Radiographic Device and Radiographic Method Using Same In force Term ends Jan 29, 2043 · High confidence	In force	Term ends Jan 29, 2043	High confidence
US 12,272,029	X-Ray Imaging Device and X-Ray Imaging Method In force Term ends Aug 25, 2043 · High confidence	In force	Term ends Aug 25, 2043	High confidence

10 of 12 patents shown.

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Pro members: see all 12 patents

Also on record, not counted in the 12: 6 lapsed for an unpaid fee · 1 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.

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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.

5 pending · 4 no status recorded

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