Vale S.A.
5 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
Oct 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
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 Nov 19, 2026The maintenance fee for Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents (US 9,034,283) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
- 1 fee due Jan 7, 2027The maintenance fee for Bulk material reclaimer control system (US 9,073,701) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
- 2 fees due Mar 1 to 3, 2027 · next Mar 1
- 3 fees due Apr 13 to 27, 2027 · next Apr 13
- 3 fees due May 3 to 10, 2027 · next May 3
- 2 fees due Jun 8 to 22, 2027 · next Jun 8
- 1 fee due Jul 28, 2027The maintenance fee for Railway wheels monitoring system and method (US 10,543,859) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
- 2 fees due Aug 2 to 23, 2027 · next Aug 2
- 4 fees due Sep 12 to 29, 2027 · next Sep 12
- 2 fees due Nov 3 to 10, 2027 · next Nov 3
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 1 term has ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,964,016 | Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite ores In force · From the USPTO record | In force | From the USPTO record | |
| US 9,034,283 | Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents In force · From the USPTO record | In force | From the USPTO record | |
| US 9,175,364 | Ore fine agglomerate to be used in sintering process and production process of ore fines agglomerate In force · From the USPTO record | In force | From the USPTO record | |
| US 9,181,601 | Process to produce manganese pellets from non-calcinated manganese ore and agglomerate obtained by this process In force · From the USPTO record | In force | From the USPTO record | |
| US 9,631,253 | Aging (weathering) inhibition method of iron ore pellets during stockpiling In force · From the USPTO record | In force | From the USPTO record | |
| US 8,999,032 | Application of carbon nanotubes on agglomerates of ore fines to increase the mechanical strength thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,327,292 | Process and system for dry recovery of fine and superfine grained particles of oxidized iron ore and a magnetic separation unit In force · From the USPTO record | In force | From the USPTO record | |
| US 9,073,701 | Bulk material reclaimer control system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,284,170 | Device for removing hoppers from rail cars In force · From the USPTO record | In force | From the USPTO record | |
| US 9,266,968 | Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 55: 5 patents in force now held by others · 35 lapsed for an unpaid fee · 16 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
5 pending · 2 abandoned · 18 no status recorded