The Patent Finder
SC

Schaft Inc.

First filing 2014
OverviewNotableFeesChangesFamiliesPatent listSources & methods

Two patents currently held, every record listed here

5 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.

The next term ends in Dec 2033. from the record

Of the 5 now held by other companies, 5 name Google LLC 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
Dec 2033
Next term end
2
Patent families

When these terms end

Each bar runs from grant to computed term end. 2016 to 2035.
US 9,503,013 Motor Drive Voltage Control Device and Method for Controlling Motor Drive Voltage Dec 12, 2033
US 10,132,701 Rotary Driver Dec 16, 2033
US 9,261,893 Encoder Update by Using Regenerative Power Sep 17, 2034
US 9,555,547 Encoder Update by Using Regenerative Power Sep 17, 2034
US 9,280,159 Shutdown Method by Using Local Control Board May 4, 2035
US 9,545,720 Shutdown Method by Using Local Control Board May 4, 2035
US 9,565,363 Stabilization of Captured Images for Teleoperated Walking Biped Robots Oct 14, 2035
20202024202820322035
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
Only 2 of the currently held patents qualify as notable.

Formerly held, still cited

Notable
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2035.
now held by Google LLC
Ends May 2035 · 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.

What they patent

Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.

Patents held now

Soonest term end first.

Showing 1 to 2 of 2

PatentTitleStatusExpiresConfidence
US 9,503,013Motor Drive Voltage Control Device and Method for Controlling Motor Drive Voltage
In force
 · High confidence
In forceHigh confidence
US 10,132,701Rotary Driver
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 2: 5 patents in force now held by others · 21 patents ended · 3 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.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed
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