Caelus Technologies Limited

9 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Feb 2039

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Mar 5 to 12, 2027 · next Mar 5
1 fee due May 19, 2027
The maintenance fee for Calibration of radix errors using Least-Significant-Bit (LSB) averaging in a Successive-Approximation Register Analog-Digital Converter (SAR-ADC) during a fully self-calibrating routine (US 10,483,995) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
1 fee due Jun 26, 2027
The maintenance fee for Discrete-Time Offset Correction Circuit Embedded in a Residue Amplifier in a Pipelined Analog-to-Digital Converter (ADC) (US 11,855,651) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.

Which patents, and when each one lapses · Pro

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 10,483,995	Calibration of radix errors using Least-Significant-Bit (LSB) averaging in a Successive-Approximation Register Analog-Digital Converter (SAR-ADC) during a fully self-calibrating routine In force Term ends Feb 22, 2039 · From the USPTO record	In force	Term ends Feb 22, 2039	From the USPTO record
US 11,146,282	Calibration of residual errors using least-mean-squares (LMS) and stochastic-gradient methods for an analog-to-digital converter (ADC) with a pre-calibrated lookup table In force Term ends Jan 4, 2041 · From the USPTO record	In force	Term ends Jan 4, 2041	From the USPTO record
US 11,646,747	Multi-channel interleaved analog-to-digital converter (ADC) using overlapping multi-phase clocks with SAR-searched input-clock delay adjustments and background offset and gain correction In force Term ends Nov 18, 2041 · From the USPTO record	In force	Term ends Nov 18, 2041	From the USPTO record
US 11,641,210	Matrix processor generating SAR-searched input delay adjustments to calibrate timing skews in a multi-channel interleaved analog-to-digital converter (ADC) In force Term ends Dec 27, 2041 · From the USPTO record	In force	Term ends Dec 27, 2041	From the USPTO record
US 11,632,121	Calibration of timing skews in a multi-channel interleaved analog- to-digital converter (ADC) by auto-correlation of muxed-together channels in binary output tree In force Term ends Dec 28, 2041 · From the USPTO record	In force	Term ends Dec 28, 2041	From the USPTO record
US 11,757,459	Cascode Class-A differential reference buffer using source followers for a multi-channel interleaved Analog-to-Digital Converter (ADC) In force Term ends Apr 2, 2042 · From the USPTO record	In force	Term ends Apr 2, 2042	From the USPTO record
US 11,750,160	Gain-boosted class-AB differential residue amplifier in a pipelined Analog-to-Digital Converter (ADC) using switched-capacitor common-mode feedback to eliminate tail current sources In force Term ends Apr 9, 2042 · From the USPTO record	In force	Term ends Apr 9, 2042	From the USPTO record
US 11,855,651	Discrete-Time Offset Correction Circuit Embedded in a Residue Amplifier in a Pipelined Analog-to-Digital Converter (ADC) In force Term ends Sep 2, 2042 · High confidence	In force	Term ends Sep 2, 2042	High confidence
US 12,231,138	Analog-to-digital converter (ADC) with reference ADC path receiving attenuated input to generate error codes for second and third harmonics by counting negative and positive codes In force Term ends Nov 8, 2043 · From the USPTO record	In force	Term ends Nov 8, 2043	From the USPTO record

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

Every application published under this name has become a patent.