The Patent Finder

Williamsrdm, Inc.

44 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
17
Ending by 2030
Mar 2027
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 Dec 2, 2026
    The maintenance fee for Back wall fire suppressor system and method (US 9,044,627) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
  • 1 fee due Mar 8, 2027
    The maintenance fee for Electrical connector with spring for missile launch rail (US 9,130,310) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
  • 1 fee due May 19, 2027
    The maintenance fee for Stovetop fire suppressor with shuttle actuator and method (US 10,478,647) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
  • 2 fees due Sep 24 to 30, 2027 · next Sep 24

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has 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 7,974,238Managing wireless communication with limited channels
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,610,966Stovetop fire extinguisher
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,613,963Wireless method and apparatus for testing armament circuits
In force
 · From the USPTO record
In forceFrom the USPTO record
US D697,442Compact aircraft system tester
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,446,286Method and system for a digital voltage detector with digital voltage display for armament circuit testing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,294,567Method and system for fire detection
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,387,225Spring loaded gear bolt assembly method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,934,564Stovetop fire suppression system and method
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 7,969,296Method and system for fire detection
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 8,245,945System and method of tagging an ordnance
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 44 patents shown.
Pro members see all 44.
Pro members: see all 44 patents
Also on record, not counted in the 44: 7 lapsed for an unpaid fee · 2 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.

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.

4 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