The Patent Finder
HE

Hemanext Inc.

First filing 2002
OverviewNotableFeesChangesFamiliesPatent listSources & methods

40 patents currently held

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

The next term ends in Oct 2030. from the record

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
5
Ending by 2030
Oct 2030
Next term end
14
Patent families

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
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.

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 Jun 1, 2027
    The maintenance fee for System for Extended Storage of Red Blood Cells and Methods of Use (US 9,199,016) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
  • 1 fee due Aug 27, 2027
    The maintenance fee for Anaerobic Blood Storage and Pathogen Inactivation Method (US 11,911,471) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
  • 2 fees due Sep 10 to 30, 2027 · next Sep 10

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

What they patent

The 5 largest of its 14 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Patents held now

Soonest term end first.
PatentTitleStatusExpiresConfidence
US 11,284,616Irradiation of Red Blood Cells and Anaerobic Storage
In force
 · Medium confidence
In forceMedium confidence
US 11,433,164System for Extended Storage of Red Blood Cells and Methods of Use
In force
 · Medium confidence
In forceMedium confidence
US 12,089,589Irradiation of Red Blood Cells and Anaerobic Storage
In force
 · Medium confidence
In forceMedium confidence
US 12,502,462System for Extended Storage of Red Blood Cells and Methods of Use
In force
 · Medium confidence
In forceMedium confidence
US 9,844,615System for Extended Storage of Red Blood Cells and Methods of Use
In force
 · Medium confidence
In forceMedium confidence
US 10,603,417System for Extended Storage of Red Blood Cells and Methods of Use
In force
 · Medium confidence
In forceMedium confidence
US 9,339,025Method for Enhancing Red Blood Cell Quality and Survival During Storage
In force
 · High confidence
In forceHigh confidence
US 9,199,016System for Extended Storage of Red Blood Cells and Methods of Use
In force
 · Medium confidence
In forceMedium confidence
US 10,251,387Method for Enhancing Red Blood Cell Quality and Survival During Storage
In force
 · Medium confidence
In forceMedium confidence
US 9,977,037Capillary Network Devices and Methods of Use
In force
 · High confidence
In forceHigh 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 ended · 21 applications pending · 7 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.
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