Hesser Packaging GmbH

13 patents currently held · Updated Nov 15, 2026

4 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.

Ending by 2030

Feb 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 Nov 30, 2026
The maintenance fee for Method and Device for Producing a Packaging Body of Packaging (US 11,661,223) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
1 fee due Sep 26, 2027
The maintenance fee for Valve for a Packaging Container (US 11,939,133) comes due Sep 26, 2027. Unpaid by Mar 27, 2028, it lapses early.
1 fee due Nov 14, 2027
The maintenance fee for Method and Device for Processing a Cover of a Package (US 11,981,470) comes due Nov 14, 2027. Unpaid by May 15, 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.

Patent	Title	Status	Expires	Confidence
US 8,555,925	Pressure Relief Valve for a Packaging Container In force Term ends Feb 26, 2030 · High confidence	In force	Term ends Feb 26, 2030	High confidence
US 9,415,920	Pressure Relief Valve for a Packaging Container In force Term ends Oct 19, 2030 · High confidence	In force	Term ends Oct 19, 2030	High confidence
US 8,887,766	Pressure Relief Valve for a Packaging Container In force Term ends Mar 16, 2031 · High confidence	In force	Term ends Mar 16, 2031	High confidence
US 8,783,004	Device for Filling and Compacting Pourable Products In force Term ends Mar 20, 2031 · High confidence	In force	Term ends Mar 20, 2031	High confidence
US 11,155,395	Pressure Relief Valve with Floating Diaphragm In force Term ends Sep 24, 2039 · High confidence	In force	Term ends Sep 24, 2039	High confidence
US 11,505,388	Vacuum-Tight Pressure Relief Valve for Packaging Containers In force Term ends Sep 24, 2039 · High confidence	In force	Term ends Sep 24, 2039	High confidence
US 11,661,223	Method and Device for Producing a Packaging Body of Packaging In force Term ends Jul 5, 2040 · High confidence	In force	Term ends Jul 5, 2040	High confidence
US 11,981,470	Method and Device for Processing a Cover of a Package In force Term ends Jan 2, 2041 · High confidence	In force	Term ends Jan 2, 2041	High confidence
US 11,939,133	Valve for a Packaging Container In force Term ends Feb 22, 2041 · High confidence	In force	Term ends Feb 22, 2041	High confidence
US 11,618,219	Welding Device and Method for Welding an Outlet Element to a Packaging Material In force Term ends Jun 16, 2041 · High confidence	In force	Term ends Jun 16, 2041	High confidence

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 4 patents in force now held by others. 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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