The Patent Finder

Tula Technology, Inc.

145 patents currently held · Updated Nov 14, 2026
10 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.

Recorded under 5 name spellings.

11
Ending by 2030
Jan 2029
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 Nov 28, 2026
    The maintenance fee for Autonomous Driving with Dynamic Skip Fire (US 10,303,169) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
  • 4 fees due Dec 13 to 27, 2026 · next Dec 13
  • 3 fees due Jan 4 to 21, 2027 · next Jan 4
  • 2 fees due Feb 8 to 27, 2027 · next Feb 8
  • 2 fees due Mar 10 to 19, 2027 · next Mar 10
  • 2 fees due Apr 8 to 30, 2027 · next Apr 8
  • 2 fees due May 3 to 21, 2027 · next May 3
  • 4 fees due Jun 1 to 30, 2027 · next Jun 1
  • 5 fees due Jul 2 to 30, 2027 · next Jul 2
  • 3 fees due Aug 11 to 27, 2027 · next Aug 11
  • 4 fees due Sep 1 to 19, 2027 · next Sep 1
  • 5 fees due Oct 7 to 30, 2027 · next Oct 7

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 2026
  • 7 terms have ended since Aug 16, 2026

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.
PatentTitleStatus Expires Confidence
US 7,577,511Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,849,835Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,886,715Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,954,474Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,099,224Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,464,690Hybrid vehicle with cylinder deactivation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,982,611Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,273,894Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,541,050Internal combustion engine control for improved fuel efficiency
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,650,971Firing fraction management in skip fire engine control
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 145 patents shown.
Pro members see all 145.
Pro members: see all 145 patents
Also on record, not counted in the 145: 10 patents in force now held by others · 77 lapsed for an unpaid fee. 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.

2 pending · 8 abandoned · 31 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