Slingmax, LLC

10 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 2026

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 High Strength, High Temperature Resistant Roundsling for Use as a Pipeline Restraining Device (US 9,145,984) comes due Mar 29, 2027. Unpaid by Sep 29, 2027, it lapses early.
1 fee due May 17, 2027
The maintenance fee for Equalizing Rigging Block for Use with a Synthetic Roundsling (US 9,187,298) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.
1 fee due Sep 22, 2027
The maintenance fee for Roundslings with Radio Frequency Identification Pre-Failure Warning Indicators (US 9,293,028) comes due Sep 22, 2027. Unpaid by Mar 22, 2028, 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 10 of 10

Patent	Title	Status	Expires	Confidence
US 7,744,138	Edge Protector for Use with a Sling In force Term ends Dec 29, 2026 · High confidence	In force	Term ends Dec 29, 2026	High confidence
US 7,568,333	Apparatus for Making Slings In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 8,322,765	Synthetic Sling with Component Parts Having Opposing Lays In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,661,737	Sling with Predictable Pre-Failure Warning Indicator In force Term ends Mar 13, 2028 · High confidence	In force	Term ends Mar 13, 2028	High confidence
US 7,926,859	Synthetic Sling Whose Component Parts Have Opposing Lays In force Term ends Feb 12, 2029 · High confidence	In force	Term ends Feb 12, 2029	High confidence
US 9,187,298	Equalizing Rigging Block for Use with a Synthetic Roundsling In force Term ends Jul 16, 2033 · High confidence	In force	Term ends Jul 16, 2033	High confidence
US 9,145,984	High Strength, High Temperature Resistant Roundsling for Use as a Pipeline Restraining Device In force Term ends Nov 16, 2033 · High confidence	In force	Term ends Nov 16, 2033	High confidence
US 9,293,028	Roundslings with Radio Frequency Identification Pre-Failure Warning Indicators In force Term ends Feb 17, 2034 · High confidence	In force	Term ends Feb 17, 2034	High confidence
US 9,843,317	Method and Device for Processing PWM Data In force Term ends May 25, 2035 · High confidence	In force	Term ends May 25, 2035	High confidence
US 10,113,267	Tensioning Apparatus for Synthetic Sling Manufacturing Apparatus and Method In force Term ends Mar 30, 2037 · High confidence	In force	Term ends Mar 30, 2037	High confidence

Also on record, not counted in the 10: 1 patent in force now held by others · 4 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 no status recorded

List them