96 patents currently held

3 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.

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

The next term ends in Jan 2027. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Jan 2027

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027 202820292030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045

notable patents fee due within 90 days 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. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.

Notable patents

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

Notable

Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same US 8,474,794

The most cited patent in this portfolio, cited by 95 later US patents, top 10% of utility patents granted in 2013 in our data. Protection runs to 2031.

Ends Jun 2031 · High confidence Also notable

Patient Stand Assist and Therapy Devices and Methods US 10,045,895

Cited by 32 later US patents, top 10% of utility patents granted in 2018 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.

Ends Oct 2034 · High confidence Also notable

Lift System with Lowering Mechanism US 9,408,765

Cited by 20 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.

Ends Oct 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.

5 fees due Dec 13 to 27, 2026 · next Dec 13
2 fees due Jan 21 to 25, 2027 · next Jan 21
2 fees due Feb 8 to 13, 2027 · next Feb 8
3 fees due Mar 12 to 26, 2027 · next Mar 12
3 fees due Apr 17 to 30, 2027 · next Apr 17
2 fees due May 19, 2027
2 fees due Jun 5, 2027
1 fee due Jul 16, 2027
The maintenance fee for Lift System with Lowering Mechanism (US 11,872,172) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
1 fee due Aug 18, 2027
The maintenance fee for Patient Lift System with Component Compatibility Features (US 10,561,558) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
3 fees due Sep 5 to 24, 2027 · next Sep 5
1 fee due Oct 7, 2027
The maintenance fee for Lift System with Lowering Mechanism (US 10,610,431) comes due Oct 7, 2027. Unpaid by Apr 7, 2028, it lapses early.
1 fee due Nov 12, 2027
The maintenance fee for Split Drum for Lift Strap in Ceiling Lift (US 10,646,392) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted since Aug 16, 2026
1 term has ended since Aug 16, 2026

What they patent

The 5 largest of its 68 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Patient Lift Systems with Telescopic Lifting Apparatus	8 in force	to Oct 2032
Patient Stand Assist and Therapy Devices and Methods	4 in force	to Oct 2034
Patient Lift and Sling Having Wireless Communication	3 in force	to Apr 2042
Adjustable Sling Bars for Subject Lifting Systems and Methods for Operating the Same	3 in force	to Jun 2040
Lift System with Lowering Mechanism	3 in force	to Mar 2036

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US D674,981	Support Strap In force Term ends Jan 22, 2027 · High confidence	In force	Term ends Jan 22, 2027	High confidence
US 7,604,219	Patient Lift Systems with Telescopic Lifting Apparatus In force Term ends Jan 10, 2028 · High confidence	In force	Term ends Jan 10, 2028	High confidence
US 10,780,004	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Mar 4, 2030 · High confidence	In force	Term ends Mar 4, 2030	High confidence
US 11,395,780	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Mar 4, 2030 · High confidence	In force	Term ends Mar 4, 2030	High confidence
US 11,638,669	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Mar 4, 2030 · Medium confidence	In force	Term ends Mar 4, 2030	Medium confidence
US 10,322,046	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Feb 28, 2031 · High confidence	In force	Term ends Feb 28, 2031	High confidence
US 8,474,794	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Jun 27, 2031 · High confidence	In force	Term ends Jun 27, 2031	High confidence
US 10,251,796	Patient Stand Assist and Therapy Devices and Methods In force Term ends Aug 24, 2032 · Medium confidence	In force	Term ends Aug 24, 2032	Medium confidence
US 10,874,565	Patient Stand Assist Devices with Features for Governing the Assist Path In force Term ends Sep 2, 2032 · High confidence	In force	Term ends Sep 2, 2032	High confidence
US 9,527,699	Lift Control Systems for Lifting Devices and Lifting Devices Comprising the Same In force Term ends Oct 20, 2032 · High confidence	In force	Term ends Oct 20, 2032	High confidence

10 of 96 patents shown.

Pro members see all 96.

Pro members: see all 96 patents

Also on record, not counted in the 96: 3 patents in force now held by others · 15 patents ended · 21 applications pending · 11 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.

Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.

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

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