Three 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 May 2033. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
May 2033
Next term end
3
Patent families
When these terms end
Each bar runs from grant to computed term end. 2015 to 2041.202020252030203520402041
1 pending application: 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
Notable
Ends May 2035 · High confidence
Also notable
Ends May 2033 · High confidence
Also notable
Ends Jun 2041 · High confidence
Through Wall Connector for a Multi-Chamber Pressure Vessel
US 10,082,157
Granted 2018 and renewed at every maintenance window due so far. Protection runs to 2035.
High Residence Time Mixing Tank System
US 9,028,685
Renewed at every maintenance window since the 2015 grant; no more fees are due before its term ends in 2033.
Hydro-Pneumatic Pressure Vessel and Diaphragm Assembly Method
US 12,313,090
Granted 2025. Too new for citation comparison; protection runs to 2041.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 2 largest of its 3 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Hydro-Pneumatic Pressure Vessel and Diaphragm Assembly Method | 1 in force | to Jun 2041 |
| Through Wall Connector for a Multi-Chamber Pressure Vessel | 1 in force | to May 2035 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,028,685 | High Residence Time Mixing Tank System In force · High confidence | In force | High confidence | |
| US 10,082,157 | Through Wall Connector for a Multi-Chamber Pressure Vessel In force · High confidence | In force | High confidence | |
| US 12,313,090 | Hydro-Pneumatic Pressure Vessel and Diaphragm Assembly Method In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 1 application pending · 3 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.