Retech Systems LLC

8 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Aug 2030

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Mar 29, 2027
The maintenance fee for System and method for melting metal chips (US 9,145,596) comes due Mar 29, 2027. Unpaid by Sep 29, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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.

Showing 1 to 8 of 8

Patent	Title	Status	Expires	Confidence
US D764,554	Threaded tapered mold In force Term ends Aug 23, 2030 · From the USPTO record	In force	Term ends Aug 23, 2030	From the USPTO record
US 9,896,739	System and method for melting metal chips In force Term ends Jun 16, 2033 · From the USPTO record	In force	Term ends Jun 16, 2033	From the USPTO record
US 9,145,596	System and method for melting metal chips In force Term ends Sep 19, 2033 · From the USPTO record	In force	Term ends Sep 19, 2033	From the USPTO record
US 9,434,000	System and method of forming a solid casting In force Term ends Dec 30, 2034 · From the USPTO record	In force	Term ends Dec 30, 2034	From the USPTO record
US 9,598,747	System and method of melting raw materials In force Term ends Jul 5, 2035 · From the USPTO record	In force	Term ends Jul 5, 2035	From the USPTO record
US 10,259,038	Method and System for Sensing Ingot Position in Reduced Cross-Sectional Area Molds In force Term ends Aug 24, 2035 · Medium confidence	In force	Term ends Aug 24, 2035	Medium confidence
US 10,022,787	Method and system for sensing ingot position in reduced cross-sectional area molds In force Term ends Mar 25, 2036 · From the USPTO record	In force	Term ends Mar 25, 2036	From the USPTO record
US 9,968,995	Tapered threaded puller head In force Term ends Sep 13, 2036 · From the USPTO record	In force	Term ends Sep 13, 2036	From the USPTO record

Also on record, not counted in the 8: 3 lapsed for an unpaid fee · 29 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.

2 no status recorded

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