Three patents 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.
7 more records may belong here and await a decision; they are not counted.
The next term ends in Jul 2029. from the record
Of the 1 now held by other companies, 1 name Avalign Technologies Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
2
Ending by 2030
Jul 2029
Next term end
3
Patent families
When these terms end
Each bar runs from grant to computed term end. 2011 to 2035.
US 9,404,173
Methods of Preparing a Surface of a Cast Zirconium Alloy Substrate for Oxidation
Aug 2, 2034
20162021202620312035
Every computed term in this portfolio is shown above.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 Jul 2029 · High confidence
Also notable
Ends Aug 2034 · High confidence
Also notable
Ends Aug 2030 · High confidence
Metal Injection Molding Methods and Feedstocks
US 7,883,662
Renewed at every maintenance window since the 2011 grant; no more fees are due before its term ends in 2029.
Methods of Preparing a Surface of a Cast Zirconium Alloy Substrate for Oxidation
US 9,404,173
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2034.
Methods of Forming Porous Coatings on Substrates
US 8,124,187
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2030.
Formerly held, still cited
Notable
Ends Nov 2035 · High confidence
The newest of the three, granted 2020. It anchors the portfolio to 2035, later than anything else here.
now held by Avalign Technologies, Inc.
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 1 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.
| Methods of Preparing a Surface of a Cast Zirconium Alloy Substrate for Oxidation | 1 in force | to Aug 2034 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,883,662 | Metal Injection Molding Methods and Feedstocks In force · High confidence | In force | High confidence | |
| US 8,124,187 | Methods of Forming Porous Coatings on Substrates In force · High confidence | In force | High confidence | |
| US 9,404,173 | Methods of Preparing a Surface of a Cast Zirconium Alloy Substrate for Oxidation held by Viper Technologies LLC In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 1 patent in force now held by others. 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.