The Patent Finder

BL Technologies, Inc.

288 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.
66
Ending by 2030
Nov 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.
  • 4 fees due Nov 21 to 30, 2026 · next Nov 21
  • 4 fees due Dec 2 to 25, 2026 · next Dec 2
  • 6 fees due Jan 2 to 16, 2027 · next Jan 2
  • 5 fees due Feb 6 to 27, 2027 · next Feb 6
  • 5 fees due Mar 8 to 26, 2027 · next Mar 8
  • 3 fees due Apr 1 to 22, 2027 · next Apr 1
  • 4 fees due May 3 to 26, 2027 · next May 3
  • 5 fees due Jun 8 to 29, 2027 · next Jun 8
  • 6 fees due Jul 5 to 14, 2027 · next Jul 5
  • 3 fees due Aug 9 to 23, 2027 · next Aug 9
  • 4 fees due Sep 3 to 24, 2027 · next Sep 3
  • 3 fees due Oct 19 to 28, 2027 · next Oct 19
  • 1 fee due Nov 10, 2027
    The maintenance fee for Pressure management system for sensors (US 9,335,188) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 16, 2026
  • 6 terms have 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.
PatentTitleStatus Expires Confidence
US 8,211,498Mesoporous membranes with complex functional architectures and methods for making
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,168,055Arrangement of ion exchange material within an electrodeionization apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,398,849Application of visbreaker analysis tools to optimize performance
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,612,117Emulsion breaking process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,642,393Process for removing at least benzene from hydrocarbon streams
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,088,337Ozone generator and an electrode thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,947,327Method for increasing metal production in smelter operations
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,142,633Electrodialysis system and process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,138,291Anion exchange polymers, methods for making and materials prepared therefrom
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,133,741Methods and systems for delivery of fluidic samples to sensor arrays
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 288 patents shown.
Pro members see all 288.
Pro members: see all 288 patents
Also on record, not counted in the 288: 9 patents in force now held by others · 45 lapsed for an unpaid fee · 28 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.

22 pending · 2 abandoned · 23 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