The Patent Finder

H4 Engineering, Inc.

21 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
6
Ending by 2030
Jun 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 Nov 14, 2026
    The maintenance fee for Automatic cameraman, automatic recording system and automatic recording network (US 10,291,725) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
  • 1 fee due Apr 13, 2027
    The maintenance fee for Feedback and manual remote control system and method for automatic video recording (US 9,160,899) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
  • 1 fee due Aug 2, 2027
    The maintenance fee for Portable video recording system with automatic camera orienting and velocity regulation of the orienting for recording high quality video of a freely moving subject (US 9,253,376) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.

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 D684,210Camera Mounting and Positioning Device
In force
 · High confidence
In forceHigh confidence
US D703,719Electronic Communication Device
In force
 · High confidence
In forceHigh confidence
US D704,762Mounting and Positioning Unit for Electronic Recording Device
In force
 · High confidence
In forceHigh confidence
US D714,374Guiding Unit for Pointing Apparatus
In force
 · High confidence
In forceHigh confidence
US D726,808Mounting and Positioning Unit for Pointing Device
In force
 · High confidence
In forceHigh confidence
US D750,693Electronic Communication Device with Wearable Housing
In force
 · High confidence
In forceHigh confidence
US 8,704,904Portable system for high quality video recording
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,253,376Portable video recording system with automatic camera orienting and velocity regulation of the orienting for recording high quality video of a freely moving subject
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,160,899Feedback and manual remote control system and method for automatic video recording
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,749,634Apparatus and method for automatic video recording
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 21 patents shown.
Pro members see all 21.
Pro members: see all 21 patents
Also on record, not counted in the 21: 5 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.

1 abandoned · 9 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