Rattunde AG

22 patents currently held · Updated Nov 15, 2026

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

Previously recorded as Rattunde & Co. GmbH (to 2019)

Ending by 2030

Nov 2027

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 Jan 23, 2027
The maintenance fee for Twin clamp and method for simultaneously clamping two elongate profile segments (US 10,357,860) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
2 fees due Mar 22, 2027
1 fee due Aug 18, 2027
The maintenance fee for Method for Reducing the Regenerative Chatter of Chip-Removal Machines (US 10,562,143) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
1 fee due Sep 29, 2027
The maintenance fee for Machining apparatus for ends of elongate profile sections and a position-determining device therefor (US 9,296,077) comes due Sep 29, 2027. Unpaid by Mar 29, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026
1 term has ended since Aug 17, 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 8,424,428	Tool Head for a Pipe Cutting Machine In force Term ends Nov 7, 2027 · High confidence	In force	Term ends Nov 7, 2027	High confidence
US 9,138,852	Brush-type deburring machine In force Term ends Nov 1, 2031 · From the USPTO record	In force	Term ends Nov 1, 2031	From the USPTO record
US 9,140,533	Measuring device for a pipe-cutting machine In force Term ends Jul 20, 2032 · From the USPTO record	In force	Term ends Jul 20, 2032	From the USPTO record
US 9,296,077	Machining apparatus for ends of elongate profile sections and a position-determining device therefor In force Term ends Mar 17, 2033 · From the USPTO record	In force	Term ends Mar 17, 2033	From the USPTO record
US 9,452,510	Asymmetrical toothed wheel In force Term ends Jul 23, 2033 · From the USPTO record	In force	Term ends Jul 23, 2033	From the USPTO record
US 9,522,452	Brush-type deburring machine In force Term ends Oct 29, 2033 · From the USPTO record	In force	Term ends Oct 29, 2033	From the USPTO record
US 9,656,369	Brush-type deburring machine for multiple cutting with individual deburring In force Term ends Feb 10, 2034 · From the USPTO record	In force	Term ends Feb 10, 2034	From the USPTO record
US 9,676,080	Twin clamp device In force Term ends Mar 25, 2034 · From the USPTO record	In force	Term ends Mar 25, 2034	From the USPTO record
US 10,239,189	Clamping System for Seven-Fold Cutting In force Term ends Mar 25, 2034 · High confidence	In force	Term ends Mar 25, 2034	High confidence
US 10,967,522	Twin Gripper In force Term ends Nov 10, 2034 · High confidence	In force	Term ends Nov 10, 2034	High confidence

10 of 22 patents shown.

Pro members see all 22.

Pro members: see all 22 patents

Also on record, not counted in the 22: 6 lapsed for an unpaid fee. 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

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