The Patent Finder
SY

Syntheon, LLC

Filings on record here from 2001, where this site's data begins
OverviewNotableFeesChangesFamiliesPatent listSources & methods

6 patents currently held

103 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 Oct 2027. from the record

Of the 103 now held by other companies, 34 name Covidien AG as their current owner, and 69 more name another party. Each row says which.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
4
Ending by 2030
Oct 2027
Next term end
5
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.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Formerly held, still cited

Notable
Cited by 1,891 later US patents, top 1% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2029.
Ends Jun 2029 · Medium confidence
Also notable
Cited by 1,213 later US patents, top 1% of utility patents granted in 2018 in our data, and renewed at every maintenance window due so far. Protection runs to 2028. A terminal disclaimer caps this term to an earlier patent's.
now held by Covidien AG
Ends Nov 2028 · High confidence
Also notable
Cited by 182 later US patents, top 1% of utility patents granted in 2020 in our data. Protection runs to 2039.
now held by Rapidpulse, Inc.
Ends Jul 2039 · 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 Jan 9, 2027
    The maintenance fee for Composite Building Panel Having Integrated Furring Members (US 10,344,479) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 2026
  • 1 term has ended since Aug 16, 2026

What they patent

The 4 largest of its 5 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.

Showing 1 to 6 of 6

PatentTitleStatusExpiresConfidence
US 7,658,797Lightweight Concrete Compositions
In force
 · Medium confidence
In forceMedium confidence
US 10,806,331Torque-Transmitting, Variably-Flexible, Locking Insertion Device and Method for Operating the Insertion Device
In force
 · High confidence
In forceHigh confidence
US 7,644,548Lightweight Concrete Compositions
In force
 · Medium confidence
In forceMedium confidence
US 7,677,009Roof Truss System
In force
 · High confidence
In forceHigh confidence
US 10,344,479Composite Building Panel Having Integrated Furring Members
In force
 · High confidence
In forceHigh confidence
US 12,773,217Left Atrial Appendage Clipping Device and Methods for Clipping the LAA
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 6: 103 patents in force now held by others · 89 patents ended · 1 application pending · 21 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