The Patent Finder

Qmax, LLC

9 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Oct 2033
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 Jan 25, 2027
    The maintenance fee for Helical balloon catheter (US 11,707,607) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
  • 1 fee due May 28, 2027
    The maintenance fee for Deflectable Catheter with Compound Curve Articulation and Materials for the Same (US 11,826,524) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
  • 1 fee due Aug 13, 2027
    The maintenance fee for Dynamic walled tubing (US 11,896,777) comes due Aug 13, 2027. Unpaid by Feb 14, 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 9 of 9

PatentTitleStatus Expires Confidence
US 11,324,923Helical balloon catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,070,562Helical balloon catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,286,184Helical Balloon Catheter
In force
 · High confidence
In forceHigh confidence
US 11,707,607Helical balloon catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,123,517Dynamic walled tubing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,896,777Dynamic walled tubing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,751,515Helical balloon catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,826,524Deflectable Catheter with Compound Curve Articulation and Materials for the Same
In force
 · High confidence
In forceHigh confidence
US 12,066,129Tubes and Methods of Expanding And/Or Contracting Tubes
In force
 · High confidence
In forceHigh confidence

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 pending · 2 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