Patents

Last updated: 25 April 2026

This page lists U.S. patents and patent applications that protect, or are the subject of pending applications for, products and features offered by WalkPhase. This notice is provided pursuant to 35 U.S.C. § 287(a) (as amended by the Leahy–Smith America Invents Act). All patents and applications are owned by Emmett Murphy. The information below is updated as patents issue, applications are filed, or coverage is otherwise revised.

WalkPhase products and patents

Product / Feature U.S. Patents and Applications
WalkPhase Pedestrian-side signal-timing intelligence: signal-phase observation, crowdsourced cycle learning, retrospective crossing reconstruction, multi-speed safety assessment, learned-kerb auto-prune, phase-anchor synchronization. U.S. Patent 11,830,357 Granted
U.S. Patent 12,462,673 Granted
U.S. App. 19/321,587 Pending
U.S. Provisional 64/049,471 Pending
Vulnerable-road-user classification On-device classification of accessibility status (visual impairment, mobility aid, senior, parent with child, etc.) used to personalise safety assessments and infrastructure interactions. U.S. Patent 11,830,357 Granted
Road-safety hotspot identification Aggregation of anonymised crossing and near-miss events into geohash-keyed safety hotspot reports for transportation authorities and researchers. U.S. Patent 12,462,673 Granted
Adaptive pedestrian crossing control Bidirectional integration with traffic signal controllers — VRU-priority extension requests and early-completion cancellation when the pedestrian reaches the far-side kerb. U.S. App. 19/321,587 Pending

Patent details

Patent / Application Title Status
U.S. Pat. 11,830,357 Road user vulnerability state classification and reporting system and method Granted28 Nov 2023
U.S. Pat. 12,462,673 Road safety hotspot location identification and reporting system and method Granted4 Nov 2025
U.S. App. 19/321,587 Systems and methods for adaptive pedestrian crossing control using road user devices PendingFiled 8 Sep 2025
U.S. Provisional 64/049,471 System and Method for Pedestrian Signal Intelligence Using Mobile-Device Observation and Reconstruction PendingFiled 25 Apr 2026

This list is non-exhaustive. Additional U.S. and foreign patent applications may be pending. Inclusion of a product on this list does not constitute an admission that any specific feature is or is not covered by any specific patent. Coverage of any product by any specific patent is determined by the claims of the issued patent. Questions regarding licensing or product-coverage may be directed to team@walkphase.com.