Tttech Computertechnik AG

63 patents currently held · Updated Nov 15, 2026

26 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.

Ending by 2030

Mar 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Jan 9, 2027
The maintenance fee for Distributed real-time computer system and time-triggered distribution unit (US 10,346,242) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
3 fees due Feb 27, 2027
1 fee due Mar 8, 2027
The maintenance fee for Method and master clock for generating fail-silent synchronization messages (US 9,130,661) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
1 fee due Jun 30, 2027
The maintenance fee for Method and computer system for quickly transmitting time-controlled real-time messages (US 10,523,760) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
2 fees due Sep 24 to 26, 2027 · next Sep 24
1 fee due Nov 3, 2027
The maintenance fee for Network and method for implementing a high-availability grand master clock (US 9,331,805) comes due Nov 3, 2027. Unpaid by May 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026
2 terms have ended since Aug 17, 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.

Patent	Title	Status	Expires	Confidence
US 7,839,868	Communication method and system for the transmission of time-driven and event-driven Ethernet messages In force Term ends Mar 25, 2027 · From the USPTO record	In force	Term ends Mar 25, 2027	From the USPTO record
US 7,860,984	Method and device for the creation of a communication system based on CAN communication controllers featuring an increased data throughput In force Term ends Jul 4, 2027 · From the USPTO record	In force	Term ends Jul 4, 2027	From the USPTO record
US 7,715,408	Method for establishing communication plans for a divided real-time computer system In force Term ends Dec 12, 2027 · From the USPTO record	In force	Term ends Dec 12, 2027	From the USPTO record
US 9,654,555	Method for Synchronizing Local Clocks in a Distributed Computer System In force Ends no later than Jun 19, 2028 · Low confidence	In force	Ends no later than Jun 19, 2028	Low confidence
US 8,868,789	Method for synchronizing local clocks in a distributed computer network In force Term ends Aug 13, 2028 · From the USPTO record	In force	Term ends Aug 13, 2028	From the USPTO record
US 8,463,945	Method for Synchronizing Local Clocks in a Distributed Computer Network In force Term ends Nov 13, 2028 · High confidence	In force	Term ends Nov 13, 2028	High confidence
US 7,873,739	Voting Mechanism for Transmission Schedule Enforcement In force Term ends Nov 26, 2028 · High confidence	In force	Term ends Nov 26, 2028	High confidence
US 8,396,934	Communication Method and Apparatus for the Efficient and Reliable Transmission of TT Ethernet Messages In force Term ends Jul 23, 2029 · High confidence	In force	Term ends Jul 23, 2029	High confidence
US 8,464,056	Method for secure dynamic bandwidth allocation in a TT ethernet In force Term ends Feb 10, 2030 · From the USPTO record	In force	Term ends Feb 10, 2030	From the USPTO record
US 8,732,522	System on chip fault detection In force Term ends May 8, 2031 · From the USPTO record	In force	Term ends May 8, 2031	From the USPTO record

10 of 63 patents shown.

Pro members see all 63.

Pro members: see all 63 patents

Also on record, not counted in the 63: 26 patents in force now held by others · 5 lapsed for an unpaid fee · 3 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.

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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 pending · 2 abandoned · 1 no status recorded

Showing 1 to 4 of 4, newest filing first. An application has no patent term. A term is computed when and if it grants, and appears on that patent's own page. Where no title is shown, the bulk publication record carries none and this site holds no USPTO file history for that application.

Application	Title	Filed	Status
19/004,822	Interface System for Processing and Controlling the Data Flow Between a Cloud and a Technical System	Dec 30, 2024	Pending
16/016,773	Method and Fault Tolerant Computer Architecture to Improve the Performance in Fail-Safe Trajectory Planning for a Moving Entity	Jun 25, 2018	Abandoned
15/951,700		Apr 12, 2018	No status recorded
13/073,269	Centralized Traffic Shaping for Data Networks	Mar 28, 2011	Abandoned