Oxus Co., Ltd.

12 patents currently held · Updated Nov 14, 2026

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.

Ending by 2030

Dec 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

Recent changes

1 of the patents on this record was granted 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 7,758,672	Apparatus of oxygen concentration system and method thereof In force Term ends Dec 11, 2028 · From the USPTO record	In force	Term ends Dec 11, 2028	From the USPTO record
US 8,070,922	Monolithic Supported Oxygen Generator In force Term ends Oct 30, 2029 · High confidence	In force	Term ends Oct 30, 2029	High confidence
US 8,388,745	Replaceable sieve bed for portable oxygen concentrator In force Term ends May 5, 2031 · From the USPTO record	In force	Term ends May 5, 2031	From the USPTO record
US 8,349,053	High efficiency gas concentrating apparatus and method of controlling high efficiency gas concentrating apparatus In force Term ends May 19, 2031 · From the USPTO record	In force	Term ends May 19, 2031	From the USPTO record
US 10,751,500	Apparatus and method for oxygen delivery In force Term ends Jan 5, 2033 · From the USPTO record	In force	Term ends Jan 5, 2033	From the USPTO record
US 8,904,918	Hybrid type air-compressor including combination of eccentric shaft and cross-slider mechanism In force Term ends Oct 9, 2033 · From the USPTO record	In force	Term ends Oct 9, 2033	From the USPTO record
US 9,675,926	Oxygen concentrating method and apparatus having condensate water removing function In force Term ends Sep 9, 2035 · From the USPTO record	In force	Term ends Sep 9, 2035	From the USPTO record
US 10,137,402	Gas concentration device In force Term ends Jun 10, 2037 · From the USPTO record	In force	Term ends Jun 10, 2037	From the USPTO record
US 11,130,093	Oxygen supplying apparatus In force Term ends Jun 2, 2040 · From the USPTO record	In force	Term ends Jun 2, 2040	From the USPTO record
US 12,558,636	Gas Supply System with Water Removal In force Term ends Jul 8, 2044 · High confidence	In force	Term ends Jul 8, 2044	High confidence

10 of 12 patents shown.

Pro members see all 12.

Pro members: see all 12 patents

Also on record, not counted in the 12: 1 patent in force now held by others · 3 lapsed for an unpaid fee · 2 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.

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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.

1 pending · 1 no status recorded

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