40 patents currently held

1 more in force is now held by another company

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

13 more records may belong here and await a decision; they are not counted.

The next term ends in Dec 2026. from the record

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Alerts on its grants, lapses and transfers.

Ending by 2030

Dec 2026

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026 2027 2028 2029 2030 2031 2032 203320342035 2036 2037 203820392040 2041 2042 2043 20442045

notable patents all others Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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

Ultrasonic Instrument Using Langevin Type Transducers to Create Transverse Motion US 8,303,613

Cited by 353 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.

Ends May 2030 · High confidence Also notable

Method for Making and Using an Air Bubble Detector US 7,805,978

Cited by 112 later US patents, top 10% of utility patents granted in 2010 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028.

Ends Apr 2028 · High confidence Also notable

Universal Air Bubble Detector US 7,726,174

Cited by 51 later US patents, top 25% of utility patents granted in 2010 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2028.

Ends Mar 2028 · High confidence

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, 2027
The maintenance fee for Occlusion Detection Method (US 9,101,712) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
1 fee due Oct 23, 2027
The maintenance fee for Flow Valve for Use with Enteral Feeding Pump Flush Module (US 11,963,934) comes due Oct 23, 2027. Unpaid by Apr 24, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted since Aug 17, 2026

What they patent

The 5 largest of its 32 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Air Bubble Detector	3 in force	to Dec 2031
Universal Air Bubble Detector	3 in force	to Mar 2028
Flow Valve for Use with Enteral Feeding Pump Flush Module	2 in force	to Feb 2042
In-Line Occluder	2 in force	to Apr 2040
Method for Making and Using an Air Bubble Detector	2 in force	to Nov 2030

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US D672,455	Fluid Delivery Cassette In force Term ends Dec 11, 2026 · High confidence	In force	Term ends Dec 11, 2026	High confidence
US 7,818,992	Universal Air Bubble Detector In force Term ends Oct 22, 2027 · High confidence	In force	Term ends Oct 22, 2027	High confidence
US 8,225,639	Universal Air Bubble Detector In force Term ends Oct 22, 2027 · High confidence	In force	Term ends Oct 22, 2027	High confidence
US D699,125	Hanging Bag Assembly In force Term ends Feb 11, 2028 · High confidence	In force	Term ends Feb 11, 2028	High confidence
US 7,726,174	Universal Air Bubble Detector In force Term ends Mar 1, 2028 · High confidence	In force	Term ends Mar 1, 2028	High confidence
US 7,805,978	Method for Making and Using an Air Bubble Detector In force Term ends Apr 30, 2028 · High confidence	In force	Term ends Apr 30, 2028	High confidence
US 8,425,470	Anti-Free-Flow Mechanism for Enteral Feeding Pumps In force Term ends Jun 27, 2029 · High confidence	In force	Term ends Jun 27, 2029	High confidence
US 7,987,722	Ultrasonic Air and Fluid Detector In force Term ends Jul 16, 2029 · High confidence	In force	Term ends Jul 16, 2029	High confidence
US D735,320	Enteral Feeding Pump Cassette In force Term ends Jul 28, 2029 · High confidence	In force	Term ends Jul 28, 2029	High confidence
US D739,931	Enteral Feeding Pump Cassette In force Term ends Jul 28, 2029 · High confidence	In force	Term ends Jul 28, 2029	High confidence

10 of 40 patents shown.

Pro members see all 40.

Pro members: see all 40 patents

Also on record, not counted in the 40: 1 patent in force now held by others · 26 patents ended · 1 application pending · 14 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.

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