SR Technologies, Inc.

79 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Ending by 2030

Sep 2035

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.

2 fees due Dec 20 to 27, 2026 · next Dec 20
1 fee due Jan 25, 2027
The maintenance fee for Geo-Locating of Wireless Devices Using a Binning Function (US 11,709,249) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
4 fees due Feb 8 to 22, 2027 · next Feb 8
1 fee due Mar 5, 2027
The maintenance fee for System and Method for Long Range Wireless Local Area Network Communications (US 11,750,333) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
3 fees due Apr 3 to 30, 2027 · next Apr 3
1 fee due May 7, 2027
The maintenance fee for Active Geo-Location for Orthogonal Frequency Division Multiplex Wireless Local Area Network Devices Using Additive Correlation (US 11,812,403) comes due May 7, 2027. Unpaid by Nov 8, 2027, it lapses early.
3 fees due Jul 16 to 23, 2027 · next Jul 16
1 fee due Aug 25, 2027
The maintenance fee for Wireless Local Area Network Communications Between Airborne and Ground Devices (US 10,574,407) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
1 fee due Sep 30, 2027
The maintenance fee for Airborne Geo-Location of a Wireless Local Area Network Device (US 10,609,731) comes due Sep 30, 2027. Unpaid by Mar 31, 2028, it lapses early.
1 fee due Oct 14, 2027
The maintenance fee for Temporal Location of Mobile WLAN Stations Using Airborne Station (US 10,623,903) comes due Oct 14, 2027. Unpaid by Apr 14, 2028, it lapses early.
1 fee due Nov 7, 2027
The maintenance fee for Identification of Wireless Local Area Network Stations Using Random Medium Access Control Addressing (US 11,979,944) comes due Nov 7, 2027. Unpaid by May 8, 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

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 9,693,187	Geo-Location of a WLAN Device In force Term ends Sep 8, 2035 · High confidence	In force	Term ends Sep 8, 2035	High confidence
US 9,877,149	Assisted Passive Geo-Location of a Wireless Local Area Network Device In force Term ends Sep 8, 2035 · High confidence	In force	Term ends Sep 8, 2035	High confidence
US 11,063,846	System and Method for Remote Waveform Analysis with Associated Metadata In force Term ends Apr 12, 2036 · High confidence	In force	Term ends Apr 12, 2036	High confidence
US 9,923,749	Adaptive Frequency Tracking Mechanism for Burst Transmission Reception In force Term ends May 29, 2036 · High confidence	In force	Term ends May 29, 2036	High confidence
US 9,992,087	System and Method for Long Range Wireless Local Area Network Communications In force Term ends Jul 20, 2036 · High confidence	In force	Term ends Jul 20, 2036	High confidence
US 10,142,869	Estimation of Wireless Signal Strength at a Distance from Distributed Survey In force Term ends Sep 26, 2036 · High confidence	In force	Term ends Sep 26, 2036	High confidence
US 9,924,527	MULTIPLE PHYSICAL LAYER Wi-Fi RADIO SYSTEM In force Term ends Oct 1, 2036 · High confidence	In force	Term ends Oct 1, 2036	High confidence
US 9,921,294	Geo-Location of a WLAN Device Using Mobile Monitoring Station In force Term ends Oct 17, 2036 · High confidence	In force	Term ends Oct 17, 2036	High confidence
US 9,838,956	Identification of Mobile Nodes in WLAN Communications In force Term ends Mar 1, 2037 · High confidence	In force	Term ends Mar 1, 2037	High confidence
US 10,104,601	Identification of Mobile Nodes in WLAN Communications In force Term ends Mar 1, 2037 · High confidence	In force	Term ends Mar 1, 2037	High confidence

10 of 79 patents shown.

Pro members see all 79.

Pro members: see all 79 patents

Also on record, not counted in the 79: 1 lapsed for an unpaid fee · 6 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 · 3 abandoned

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