11 patents currently held

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

The next term ends in Jan 2028. from the record

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Alerts on its grants, lapses and transfers.

Ending by 2030

Jan 2028

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028202920302031203220332034203520362037203820392040 2041 2042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Interlocking Roofing Panel System and Method US 11,718,994

Cited by 6 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2040. A terminal disclaimer caps this term to an earlier patent's.

Ends Oct 2040 · High confidence Also notable

Interlocking Roofing Panel System and Method US 11,536,033

Cited by 7 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2041.

Ends Mar 2041 · High confidence Also notable

Downspout Debris Trap US 9,416,543

Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2034.

Ends Jul 2034 · High confidence

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 Feb 8, 2027
The maintenance fee for Interlocking Roofing Panel System and Method (US 11,718,994) comes due Feb 8, 2027. Unpaid by Aug 9, 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.

What they patent

The 2 largest of its 8 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Covered Rain Gutter System	3 in force	to May 2042
Interlocking Roofing Panel System and Method	2 in force	to Oct 2040

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 7,591,162	Protective Guide Assembly for a Roll Forming Machine In force Term ends Jan 28, 2028 · High confidence	In force	Term ends Jan 28, 2028	High confidence
US 8,250,721	Roof Panel Seaming Apparatus with Leading Guide Finger In force Term ends May 28, 2031 · High confidence	In force	Term ends May 28, 2031	High confidence
US 8,336,178	Roof Panel Seaming Apparatus In force Ends no later than Sep 30, 2031 · Medium confidence	In force	Ends no later than Sep 30, 2031	Medium confidence
US 9,416,543	Downspout Debris Trap In force Term ends Jul 12, 2034 · High confidence	In force	Term ends Jul 12, 2034	High confidence
US 11,384,543	Interlocking Roofing Panel System and Method In force Term ends Oct 12, 2040 · High confidence	In force	Term ends Oct 12, 2040	High confidence
US 11,718,994	Interlocking Roofing Panel System and Method In force Term ends Oct 12, 2040 · High confidence	In force	Term ends Oct 12, 2040	High confidence
US 11,536,033	Interlocking Roofing Panel System and Method In force Term ends Mar 11, 2041 · High confidence	In force	Term ends Mar 11, 2041	High confidence
US 12,139,913	Covered Rain Gutter System In force Term ends May 4, 2042 · High confidence	In force	Term ends May 4, 2042	High confidence
US 12,338,630	Covered Rain Gutter System In force Term ends May 4, 2042 · High confidence	In force	Term ends May 4, 2042	High confidence
US 12,703,979	Covered Rain Gutter System In force Term ends May 4, 2042 · Medium confidence	In force	Term ends May 4, 2042	Medium confidence

10 of 11 patents shown.

Pro members see all 11.

Pro members: see all 11 patents

Also on record, not counted in the 11: 6 patents ended. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Englert, Inc.