Federal Signal
Utility Patents
Last updated:
List of all Federal Signal patents 22 in total
| Status | Patent |
|---|---|
Grant | Utility: Light system for a sewer cleaning vehicle Filling date: 6 Sep 2025 Issue date: 19 Jul 2022 |
Grant | Utility: Warning devices with oscillating light patterns Filling date: 6 Sep 2025 Issue date: 5 Oct 2021 |
Grant | Utility: Modular flexible light bar Filling date: 6 Sep 2025 Issue date: 5 Jan 2021 |
Grant | Utility: Warning devices with oscillating light patterns Filling date: 6 Sep 2025 Issue date: 8 Dec 2020 |
Grant | Utility: Power split and variable creep drive system for street sweeper or like specialty vehicle Filling date: 6 Sep 2025 Issue date: 24 Nov 2020 |
Grant | Utility: Light beacon lens Filling date: 6 Sep 2025 Issue date: 3 Nov 2020 |
Grant | Utility: Perimeter breach warning system Filling date: 6 Sep 2025 Issue date: 20 Oct 2020 |
Grant | Utility: Service mode selection system for service vehicle Filling date: 6 Sep 2025 Issue date: 13 Oct 2020 |
Grant | Utility: Speaker with automatic volume control Filling date: 6 Sep 2025 Issue date: 6 Oct 2020 |
Grant | Utility: Vehicle with internal and/or external monitoring Filling date: 6 Sep 2025 Issue date: 15 Sep 2020 |
Grant | Utility: Boom hose apparatus Filling date: 6 Sep 2025 Issue date: 1 Sep 2020 |
Grant | Utility: Lighting devices and systems with orientation detection and control Filling date: 6 Sep 2025 Issue date: 30 Jun 2020 |
Grant | Utility: Facility safety system Filling date: 6 Sep 2025 Issue date: 31 Mar 2020 |
Grant | Utility: Self-rotating tube cleaning nozzle assembly Filling date: 6 Sep 2025 Issue date: 24 Mar 2020 |
Grant | Utility: Automated activation and/or charging of cameras and/or autonomous vehicles Filling date: 6 Sep 2025 Issue date: 17 Mar 2020 |
Grant | Utility: Piston head retaining system Filling date: 6 Sep 2025 Issue date: 10 Mar 2020 |
Grant | Utility: Waterblasting system with air-driven alternator Filling date: 6 Sep 2025 Issue date: 28 Jan 2020 |
Grant | Utility: Vehicle elevation system Filling date: 6 Sep 2025 Issue date: 14 Jan 2020 |
Grant | Utility: Voice control for emergency vehicle Filling date: 6 Sep 2025 Issue date: 10 Dec 2019 |
Grant | Utility: Water level monitoring for multiple water tanks of sewer cleaning vehicle Filling date: 6 Sep 2025 Issue date: 8 Oct 2019 |
Grant | Utility: Hazardous detection call point stations Filling date: 6 Sep 2025 Issue date: 10 Sep 2019 |
Grant | Utility: Piston shifting control system Filling date: 6 Sep 2025 Issue date: 10 Sep 2019 |
Showing 1 to 22 of 22 patents.