The Patent Finder

Saft

58 patents currently held · Updated Nov 14, 2026
7 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.
3
Ending by 2030
Apr 2029
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 Dec 6 to 18, 2026 · next Dec 6
  • 3 fees due Feb 4 to 27, 2027 · next Feb 4
  • 1 fee due Mar 12, 2027
    The maintenance fee for Estimating the SOH and estimating the SOC of an electrochemical element (US 11,754,636) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
  • 2 fees due Apr 10 to 30, 2027 · next Apr 10
  • 3 fees due May 21 to 28, 2027 · next May 21
  • 1 fee due Jun 5, 2027
    The maintenance fee for Fire suppression system for battery modules (US 11,833,377) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, it lapses early.
  • 1 fee due Jul 12, 2027
    The maintenance fee for Rigid negative compartment for a metal-air battery and method of manufacturing said compartment (US 9,236,642) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, it lapses early.
  • 1 fee due Aug 18, 2027
    The maintenance fee for Leaktight box for alkaline batteries (US 10,566,586) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
  • 2 fees due Oct 9 to 19, 2027 · next Oct 9

Which patents, and when each one lapses · Pro

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.
PatentTitleStatus Expires Confidence
US 7,745,024Sealed accumulator equipped with a safety device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,080,184Positive Electrode Material for a Lithium Ion Accumulator
In force
 · High confidence
In forceHigh confidence
US 8,021,780Electrical connection device for an output terminal of a storage battery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,236,642Rigid negative compartment for a metal-air battery and method of manufacturing said compartment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,543,617Lithium-ion battery containing an electrolyte comprising an ionic liquid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,099,715Safety device for a sealed accumulator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,412,985Safety device for a lithium electrochemical generator battery
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,316,693Method and system for estimating state of charge of a lithium electrochemical cell having a lithium phosphate type positive electrode
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,762,077Method and system for managing the charging of a rechargeable battery comprising several branches of electrochemical elements connected in parallel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,566,586Leaktight box for alkaline batteries
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 58 patents shown.
Pro members see all 58.
Pro members: see all 58 patents
Also on record, not counted in the 58: 7 patents in force now held by others · 40 lapsed for an unpaid fee · 99 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.

30 pending · 5 abandoned · 42 no status recorded

List them

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