Four patents currently held, every record listed here
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Apr 2030. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Apr 2030
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2015 to 2032.20192023202720312032
2 pending applications: term is not computable until grant.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 patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Aug 2030 · High confidence
Also notable
Ends Oct 2031 · High confidence
High Efficiency Phase Splitter
US 10,307,694
Granted 2019. Computed term ends 2030.
Apparatus and Method for Separation of Phases in a Multiphase Flow
US 8,950,589
Renewed at every maintenance window since the 2015 grant; no more fees are due before its term ends in 2031.
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 Dec 4, 2026The maintenance fee for High Efficiency Phase Splitter (US 10,307,694) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| High Efficiency Phase Splitter | 2 in force | to Jan 2032 |
| Apparatus and Method for Separation of Phases in a Multiphase Flow | 2 in force | to Oct 2031 |
Patents held now
Soonest term end first.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,951,422 | Apparatus and Method for Separation of Phases in a Multiphase Flow In force · High confidence | In force | High confidence | |
| US 10,307,694 | High Efficiency Phase Splitter In force · High confidence | In force | High confidence | |
| US 8,950,589 | Apparatus and Method for Separation of Phases in a Multiphase Flow In force · High confidence | In force | High confidence | |
| US 9,687,757 | High Efficiency Phase Splitter In force · High confidence | In force | High confidence |
Also on record, not counted in the 4: 2 applications pending. 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.