One patent currently held, every record listed here
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Jul 2032. from the record
Of the 1 now held by other companies, 1 name Kanadevia Inova AG as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jul 2032
Next term end
1
Patent families
When these terms end
Each bar runs from grant to computed term end. 2015 to 2042.20212027203320392042
3 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 1 of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Mar 2042 · High confidence
Granted 2025. Too new for citation comparison; protection runs to 2042.
now held by Kanadevia Inova AG
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 1 term has ended since Aug 16, 2026
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Method and Device for Producing Explosions | 1 in force | to Jul 2032 |
Patents held now
Soonest term end first.
Showing 1 to 1 of 1
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,973,362 | Method and Device for Producing Explosions held by Explo Engineering AG, Rüegg, Hans, Martin GmbH Für Umwelt- und Energietechnik and Hitachi Zosen Inova AG In force · High confidence | In force | High confidence |
Also on record, not counted in the 1: 1 patent in force now held by others · 1 patent ended · 3 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.