12 patents currently held
37 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.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Dec 2026. from the record
Of the 37 now held by other companies, 20 name International Business Machines Corporation as their current owner, and 17 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
6
Ending by 2030
Dec 2026
Next term end
8
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Oct 2027 · High confidence
Also notable
Ends Dec 2030 · High confidence
Also notable
Ends no later than Sep 2029 · Low confidence
Multi-Layer Balloons for Medical Applications and Methods for Manufacturing the Same
US 7,942,847
The most cited patent in this portfolio, cited by 117 later US patents, top 5% of utility patents granted in 2011 in our data. Protection runs to 2027.
Alternating Circumferential Bridge Stent Design and Methods for Use Thereof
US 9,649,211
Cited by 84 later US patents, top 5% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2030.
Spray Applicator
US 9,101,946
Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2029. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
Formerly held, still cited
Notable
Ends Oct 2030 · High confidence
Cited by 1,384 later US patents, top 1% of utility patents granted in 2012 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2030.
now held by Covidien LP
Also notable
Ends no later than May 2033 · Medium confidence
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
now held by Covidien LP
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 Feb 11, 2027The maintenance fee for Spray Applicator (US 9,101,946) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
What they patent
The 5 largest of its 8 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Multi-Layer Balloons for Medical Applications and Methods for Manufacturing the Same | 4 in force | to Oct 2027 |
| Alternating Circumferential Bridge Stent Design and Methods for Use Thereof | 2 in force | to Jan 2033 |
| Materials Having Superelastic Properties Including Related Methods of Fabrication and Design for Medical Devices | 1 in force | to Apr 2038 |
| Methods of Manufacturing Nested Balloons Utilizing Pressurized Constrained Annealing | 1 in force | to Aug 2036 |
| Spray Applicator | 1 in force | to Sep 2029 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,568,648 | Methods for Manufacturing Multi-Layer Balloons for Medical Applications In force · High confidence | In force | High confidence | |
| US 9,833,600 | Methods for Manufacturing Multi-Layer Balloons for Medical Applications In force · High confidence | In force | High confidence | |
| US 11,311,702 | Methods for Manufacturing Multi-Layer Balloons for Medical Applications In force · High confidence | In force | High confidence | |
| US 7,942,847 | Multi-Layer Balloons for Medical Applications and Methods for Manufacturing the Same In force · High confidence | In force | High confidence | |
| US 9,101,946 | Spray Applicator held by Confluent Surgical, Inc. In force · Low confidence | In force | Low confidence | |
| US 9,649,211 | Alternating Circumferential Bridge Stent Design and Methods for Use Thereof In force · High confidence | In force | High confidence | |
| US 10,092,427 | Alternating Circumferential Bridge Stent Design and Methods for Use Thereof In force · High confidence | In force | High confidence | |
| US 8,973,596 | Applicator Assembly with Integral Check-Valve held by Confluent Surgical, Inc. In force · High confidence | In force | High confidence | |
| US 9,629,675 | Tissue Treatment Device and Related Methods In force · High confidence | In force | High confidence | |
| US 11,071,620 | Graft Dimpling to Improve Crimp Profile and Reduce Delivery Forces In force · High confidence | In force | High confidence |
Also on record, not counted in the 12: 37 patents in force now held by others · 10 patents ended · 14 applications pending · 12 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.