The Patent Finder

Societe Francaise de Detecteurs Infrarouges-Sofradir

10 patents currently held · Updated Nov 14, 2026
9 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

1
Ending by 2030
Jun 2030
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 27, 2027
    The maintenance fee for Successive approximation analog-to-digital converter (US 10,396,813) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
  • 2 fees due Apr 1 to 8, 2027 · next Apr 1
  • 1 fee due Sep 8, 2027
    The maintenance fee for Method of searching for pixels in a matrix and circuit implementing the method (US 9,280,801) comes due Sep 8, 2027. Unpaid by Mar 8, 2028, 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 10 of 10

PatentTitleStatus Expires Confidence
US 8,217,641Device and method for reading electric currents resulting from an electromagnetic signal detector
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,283,618Method and device for reading electrical charges produced by a photo-detector, and detector comprising such devices
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,354,112Detection circuit including a noise reducing module having a switch connected between a photodiode and an integrating circuit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,900,907Method for Manufacturing an Electromagnetic Radiation Detector and Detector Obtained by a Growth Substrate Removal Method
In force
 · High confidence
In forceHigh confidence
US 9,280,801Method of searching for pixels in a matrix and circuit implementing the method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,784,612Device for detecting electromagnetic radiation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,161,800Cooled Detecting Device
In force
 · High confidence
In forceHigh confidence
US 10,439,082Photodetector with reduced dark current
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,396,813Successive approximation analog-to-digital converter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,429,242Multispectral detection device
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 10: 9 patents in force now held by others · 13 lapsed for an unpaid fee · 6 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.

4 no status recorded

Showing 1 to 4 of 4, newest filing first. An application has no patent term. A term is computed when and if it grants, and appears on that patent's own page. No title is shown: the bulk publication record carries none for these applications, and this site holds no USPTO file history for them.

ApplicationFiledStatus
16/094,328Jun 2, 2017No status recorded
13/678,015Nov 15, 2012No status recorded
12/510,472Jul 28, 2009No status recorded
11/972,111Jan 10, 2008No status recorded
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited