The Patent Finder

Flip Technologies Limited

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Dec 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 Mar 15, 2027
    The maintenance fee for Catheter, a balloon catheter and a method and apparatus for monitoring the transverse cross-section of a stoma (US 9,131,898) comes due Mar 15, 2027. Unpaid by Sep 15, 2027, it lapses early.
  • 1 fee due Oct 26, 2027
    The maintenance fee for Catheter and a method for manufacturing a catheter (US 9,320,868) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has 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.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US 9,131,898Catheter, a balloon catheter and a method and apparatus for monitoring the transverse cross-section of a stoma
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,439,633Device and a method for facilitating monitoring the cross-section of a gastric sleeve during formation thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,931,061Method and apparatus for forming a stoma and a balloon catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,756,806Catheter and a method for producing a catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,771,207Device and a system for use in a procedure for improving a sealing function of a sphincter and a method for improving the sealing function of a sphincter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,827,929Method and apparatus for determining the distensibility of a vessel, lumen or a sphincter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,773,050Catheter and a method for manufacturing a catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,320,868Catheter and a method for manufacturing a catheter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,808,179Catheter and a system and a method for locating a catheter in a vessel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,952,677Method and apparatus for rupturing and detecting rupturing of a muscle, a muscle fibre, a fibre material or a coating in or on a lumen, vessel or sphincter in a human or animal subject
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 10: 3 lapsed for an unpaid fee. 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.

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