Testo AG
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
7
Ending by 2030
Dec 2026
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 Feb 4, 2027The maintenance fee for Image processing method and thermal imaging camera (US 9,100,595) comes due Feb 4, 2027. Unpaid by Aug 4, 2027, it lapses early.
- 1 fee due Apr 20, 2027The maintenance fee for Method for generating super-resolution images having improved image resolution and measuring device (US 9,165,341) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
- 1 fee due Aug 11, 2027The maintenance fee for Measuring arrangement and method for contactless electric current measurement (US 10,557,872) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.
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 7,549,318 | Method and device for the measurement of the number concentration and of the average diameter of aerosol particles In force · From the USPTO record | In force | From the USPTO record | |
| US 7,798,018 | Measuring arrangement for flow measurement in a channel In force · From the USPTO record | In force | From the USPTO record | |
| US 7,682,426 | Method and device for the detection, characterization and/or elimination of suspended particles In force · From the USPTO record | In force | From the USPTO record | |
| US D718,161 | Portable measurement device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,796,622 | Thermal imaging camera comprising a cover plate In force · From the USPTO record | In force | From the USPTO record | |
| US 8,466,797 | Handheld device for infrared temperature measurement with simultaneous image and temperature display In force · From the USPTO record | In force | From the USPTO record | |
| US 8,527,179 | Method and device for measuring the emissions of engines In force · From the USPTO record | In force | From the USPTO record | |
| US 8,872,110 | Thermographic camera In force · From the USPTO record | In force | From the USPTO record | |
| US 8,368,021 | Method for an IR-radiation—based temperature measurement and IR-radiation—based temperature measuring device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,100,595 | Image processing method and thermal imaging camera In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 25: 30 lapsed for an unpaid fee · 16 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 abandoned · 15 no status recorded