The Patent Finder

LPG Systems

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Dec 2026
Next term end

When these terms end

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 Feb 27, 2027
    The maintenance fee for Massage head and massage apparatus using such a head (US 10,391,021) comes due Feb 27, 2027. Unpaid by Aug 27, 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.

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.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US D672,046Massage apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US D745,697Massage apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,568,343Apparatus for mobilization of the body, and use of such an apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,864,690Massage head and massage apparatus employing said head
In force
 · From the USPTO record
In forceFrom the USPTO record
US D845,502Massage appliance
In force
 · From the USPTO record
In forceFrom the USPTO record
US D849,957Massage table
In force
 · From the USPTO record
In forceFrom the USPTO record
US D865,982Massage appliance
In force
 · From the USPTO record
In forceFrom the USPTO record
US D870,302Massage appliance
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,391,021Massage head and massage apparatus using such a head
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,491,075Massage head and massage equipment employing such a head
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 10: 15 ended at full term. 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.

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 no status recorded

List them

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