Fischell Innovations LLC

8 patents currently held · Updated Nov 14, 2026

8 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 2 name spellings.

Ending by 2030

Feb 2031

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 1, 2027
The maintenance fee for Carotid sheath with entry and tracking rapid exchange dilators and method of use (US 9,119,935) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
1 fee due Oct 5, 2027
The maintenance fee for Carotid sheath with entry and tracking rapid exchange dilators and method of use (US 9,302,083) comes due Oct 5, 2027. Unpaid by Apr 5, 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 8 of 8

Patent	Title	Status	Expires	Confidence
US 8,591,495	Introducer sheath with thin-walled shaft In force Ends no later than Feb 23, 2031 · From the USPTO record	In force	Ends no later than Feb 23, 2031	From the USPTO record
US 8,262,625	Introducer sheath having a hemostasis valve with an adhesive means for attachment to the skin In force Term ends May 11, 2031 · From the USPTO record	In force	Term ends May 11, 2031	From the USPTO record
US 8,535,294	Carotid sheath with flexible distal section In force Term ends Jun 1, 2031 · From the USPTO record	In force	Term ends Jun 1, 2031	From the USPTO record
US 8,206,359	Introducer sheath with adhesive attachment means and a rotating side tube In force Term ends Jun 21, 2031 · From the USPTO record	In force	Term ends Jun 21, 2031	From the USPTO record
US 8,663,190	Expandable Catheter System for Peri-Ostial Injection and Muscle and Nerve Fiber Ablation In force Term ends Sep 20, 2031 · High confidence	In force	Term ends Sep 20, 2031	High confidence
US 8,747,428	Carotid sheath with entry and tracking rapid exchange dilators and method of use In force Term ends Jan 12, 2032 · From the USPTO record	In force	Term ends Jan 12, 2032	From the USPTO record
US 9,119,935	Carotid sheath with entry and tracking rapid exchange dilators and method of use In force Term ends Jan 12, 2032 · From the USPTO record	In force	Term ends Jan 12, 2032	From the USPTO record
US 9,302,083	Carotid sheath with entry and tracking rapid exchange dilators and method of use In force Ends no later than Jan 12, 2032 · From the USPTO record	In force	Ends no later than Jan 12, 2032	From the USPTO record

Also on record, not counted in the 8: 8 patents in force now held by others · 2 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.

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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

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