42 patents currently held

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.

1 more record may belong here and awaits a decision; it is not counted.

The next term ends in Mar 2027. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Mar 2027

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027 2028 2029 2030 2031 203220332034 2035 2036 203720382039 2040 20412042204320442045

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

Reinforced Floors for Modular Bathrooms US 11,773,603

Cited by 16 later US patents, top 5% of utility patents granted in 2023 in our data. Protection runs to 2041.

Ends Sep 2041 · High confidence Also notable

Compression Drain with Adjustable-Height Grate US 9,366,017

Cited by 41 later US patents, top 10% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.

Ends Mar 2034 · High confidence Also notable

Novel Shower Installations and Methods for Efficiently Constructing Same US 11,406,228

Cited by 7 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2040.

Ends Jan 2040 · 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 18, 2027
The maintenance fee for One Piece Shower Pan and Method of Making Same (US 9,107,545) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
2 fees due Apr 3 to 27, 2027 · next Apr 3

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 3 largest of its 19 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Drain Wall for a Prefabricated Shower Module	23 in force	to Aug 2035
Novel Shower Installations and Methods for Efficiently Constructing Same	2 in force	to Jul 2041
Reinforced Floors for Modular Bathrooms	1 in force	to Sep 2041

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 9,510,712	Drain Wall for a Prefabricated Shower Module In force Term ends Mar 17, 2027 · High confidence	In force	Term ends Mar 17, 2027	High confidence
US 9,770,140	Shower Enclosure Design and Assembly Methods Using Prefabricated Shower Benches In force Term ends Mar 17, 2027 · High confidence	In force	Term ends Mar 17, 2027	High confidence
US 8,789,217	Methods of Manufacturing and Installation of Prefabricated Shower Benches and Associated Shower Benches In force Term ends Apr 21, 2027 · High confidence	In force	Term ends Apr 21, 2027	High confidence
US 9,770,139	Method of Manufacturing and Installation of Prefabricated Shower Bench and Associated Shower Bench In force Term ends Apr 21, 2027 · High confidence	In force	Term ends Apr 21, 2027	High confidence
US 8,307,582	Shower Enclosure Design and Assembly Methods Using Prefabricated Shower Benches In force Term ends Dec 1, 2027 · Medium confidence	In force	Term ends Dec 1, 2027	Medium confidence
US 8,112,831	Methods of Manufacturing and Installation of Prefabricated Shower Benches and Associated Shower Benches In force Term ends May 6, 2028 · High confidence	In force	Term ends May 6, 2028	High confidence
US 9,167,940	Method of Manufacturing and Installation of Prefabricated Shower Bench and Associated Shower Bench In force (reinstated) Term ends May 5, 2029 · High confidence	In force (reinstated)	Term ends May 5, 2029	High confidence
US 9,357,884	Waterproof Juncture In force Term ends May 5, 2029 · High confidence	In force	Term ends May 5, 2029	High confidence
US 9,808,124	Membranous Waterproof Juncture In force Term ends May 5, 2029 · High confidence	In force	Term ends May 5, 2029	High confidence
US 8,918,926	One Piece Shower Pan and Method of Making Same In force Term ends Jan 14, 2030 · High confidence	In force	Term ends Jan 14, 2030	High confidence

10 of 42 patents shown.

Pro members see all 42.

Pro members: see all 42 patents

Also on record, not counted in the 42: 1 patent in force now held by others · 2 patents ended · 9 applications abandoned. 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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