The Patent Finder
PF

Powers Fasteners, Inc.

First filing 2002
OverviewNotableFeesChangesPatent listSources & methods

0 patents currently held, every record listed here

6 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.
2 more records may belong here and await a decision; they are not counted.

This portfolio holds none of the 6 US patents in force on its record. from the record

Of the 6 now held by other companies, 6 name Black and Decker Inc. as their current owner. Each row says so.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end

When these terms end

Each bar runs from grant to computed term end. 2012 to 2031.
US 8,192,122 Anchor Bolt Aug 17, 2029
US 8,342,472 Adjustable Wall Hanger Aug 22, 2030
US 8,376,679 Wall Anchor System Feb 6, 2031
US 8,444,355 Anchor Stud and Method of Forming an Anchor Stud Aug 8, 2031
US 8,430,619 Concrete and Masonry Screw Anchor Sep 1, 2031
US 8,449,237 Knurled Pin Fastener and Method of Forming a Knurled Pin Fastener Nov 24, 2031
20162020202420282031
Every computed term in this portfolio is shown above.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 patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.

Formerly held, still cited

Notable
The most cited patent in this portfolio, cited by 32 later US patents, top 25% of utility patents granted in 2013 in our data. Protection runs to 2031.
Ends Aug 2031 · High confidence
Also notable
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2029.
Ends Aug 2029 · High confidence
Also notable
Renewed at every maintenance window since the 2013 grant; no more fees are due before its term ends in 2030.
Ends Aug 2030 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first.
Also on record: 6 patents in force now held by others · 16 patents ended · 7 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.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited