Walzman Innovations, LLC

13 patents currently held · Updated Nov 15, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

May 2036

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.

2 fees due Dec 4 to 11, 2026 · next Dec 4
2 fees due Jan 9 to 16, 2027 · next Jan 9
1 fee due Jul 28, 2027
The maintenance fee for Mesh disc for saccular aneurysms and cover for saccular out-pouching (US 10,543,015) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
2 fees due Aug 4 to 18, 2027 · next Aug 4
3 fees due Sep 3 to 30, 2027 · next Sep 3

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.

Patent	Title	Status	Expires	Confidence
US 10,258,371	Arch Fulcrum Support Catheter In force Term ends May 18, 2036 · Medium confidence	In force	Term ends May 18, 2036	Medium confidence
US 10,307,242	Simultaneous Rotating Separator, Irrigator Microcatheter for Thrombectomy and Method of Use In force Term ends Sep 7, 2036 · High confidence	In force	Term ends Sep 7, 2036	High confidence
US 9,775,730	Flow-diverting covered stent In force Term ends Nov 2, 2036 · From the USPTO record	In force	Term ends Nov 2, 2036	From the USPTO record
US 10,314,684	Simultaneous Rotating Separator, Irrigator Microcatheter for Thrombectomy In force Term ends May 1, 2037 · High confidence	In force	Term ends May 1, 2037	High confidence
US 10,299,824	Rotating separator, irrigator microcatheter for thrombectomy In force Term ends Jul 21, 2037 · High confidence	In force	Term ends Jul 21, 2037	High confidence
US 10,543,015	Mesh disc for saccular aneurysms and cover for saccular out-pouching In force Ends no later than Nov 20, 2037 · From the USPTO record	In force	Ends no later than Nov 20, 2037	From the USPTO record
US 10,548,607	Mesh caps In force Ends no later than Nov 20, 2037 · From the USPTO record	In force	Ends no later than Nov 20, 2037	From the USPTO record
US 10,575,856	Single Lumen Microcatheter for Executing Plugs near Distal Terminus of Lumen In force Term ends Jan 13, 2038 · High confidence	In force	Term ends Jan 13, 2038	High confidence
US 10,576,245	Bypass catheter In force Term ends Jan 16, 2038 · From the USPTO record	In force	Term ends Jan 16, 2038	From the USPTO record
US 10,349,973	System and method for clot amelioration In force Term ends Mar 3, 2038 · From the USPTO record	In force	Term ends Mar 3, 2038	From the USPTO record

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 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 pending · 3 abandoned · 1 no status recorded

List them