Two 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 Mar 2032. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Mar 2032
Next term end
2
Patent families
When these terms end
Each bar runs from grant to computed term end. 2014 to 2041.20202026203220382041
1 pending application: term is not computable until grant.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 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 Mar 2032 · High confidence
Also notable
Ends Aug 2041 · High confidence
Method of Closing a Fuel Tank with a Pivotal Door and Seal
US 8,746,479
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2032.
Coater Cup for a Resist Coating Unit
US D1,139,507
Granted 2026. 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.
Patents held now
Soonest term end first.
Showing 1 to 2 of 2
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,746,479 | Method of Closing a Fuel Tank with a Pivotal Door and Seal In force · High confidence | In force | High confidence | |
| US D1,139,507 | Coater Cup for a Resist Coating Unit In force · High confidence | In force | High confidence |
Also on record, not counted in the 2: 1 application 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.