Littelfuse
Patents, Design & Utilities
Last updated:
List of all Littelfuse patents 216 in total
| Status | Patent |
|---|---|
Application | Utility: RADAR-BASED OCCUPANCY DETECTOR FOR AUTOMOBILES Filling date: 7 Sep 2025 Issue date: 4 Jun 2020 |
Grant | Utility: Thin profile power semiconductor device package having face-to-face mounted dice and no internal bondwires Filling date: 7 Sep 2025 Issue date: 2 Jun 2020 |
Application | Utility: METHOD OF MANUFACTURING AN OPEN-CAVITY FUSE USING A SACRIFICIAL MEMBER Filling date: 7 Sep 2025 Issue date: 21 May 2020 |
Grant | Utility: Magnetoresistive sensors and switches from pre-bundled nanowires Filling date: 7 Sep 2025 Issue date: 28 Apr 2020 |
Grant | Utility: Multifunction wireless relay Filling date: 7 Sep 2025 Issue date: 28 Apr 2020 |
Grant | Utility: Flexible positive temperature coefficient device with battery management system Filling date: 7 Sep 2025 Issue date: 21 Apr 2020 |
Application | Utility: OPTICALLY ISOLATED LATCHING SOLID STATE RELAY WITH LOW ON RESISTANCE AND LINEAR OPERATION Filling date: 7 Sep 2025 Issue date: 9 Apr 2020 |
Grant | Utility: Protection device and system using negative capacitance component Filling date: 7 Sep 2025 Issue date: 7 Apr 2020 |
Application | Utility: LINEAR POSITIONING SENSOR Filling date: 7 Sep 2025 Issue date: 2 Apr 2020 |
Grant | Utility: Tuning fork terminal slow blow fuse Filling date: 7 Sep 2025 Issue date: 24 Mar 2020 |
Grant | Utility: Forward converter with self-driven BJT synchronous rectifier Filling date: 7 Sep 2025 Issue date: 24 Mar 2020 |
Application | Utility: DISC FUSE Filling date: 7 Sep 2025 Issue date: 5 Mar 2020 |
Grant | Utility: Disc fuse Filling date: 7 Sep 2025 Issue date: 25 Feb 2020 |
Grant | Utility: Fuse device having phase change material Filling date: 7 Sep 2025 Issue date: 11 Feb 2020 |
Grant | Utility: Fuse with arc-suppressing housing walls Filling date: 7 Sep 2025 Issue date: 4 Feb 2020 |
Application | Utility: ASYMMETRIC TRANSIENT VOLTAGE SUPPRESSOR DEVICE AND METHODS FOR FORMATION Filling date: 7 Sep 2025 Issue date: 30 Jan 2020 |
Grant | Utility: High-speed MOSFET and IGBT gate driver Filling date: 7 Sep 2025 Issue date: 14 Jan 2020 |
Grant | Utility: IGBT die structure with auxiliary P well terminal Filling date: 7 Sep 2025 Issue date: 14 Jan 2020 |
Grant | Utility: Optically isolated latching solid state relay with low on resistance and linear operation Filling date: 7 Sep 2025 Issue date: 31 Dec 2019 |
Application | Utility: OPTICAL RAIN SENSOR WITH DYNAMIC OPTICAL CONFIGURATION CONTROL Filling date: 7 Sep 2025 Issue date: 26 Dec 2019 |
Application | Utility: DISC FUSE Filling date: 7 Sep 2025 Issue date: 26 Dec 2019 |
Application | Utility: TUNING FORK TERMINAL SLOW BLOW FUSE Filling date: 7 Sep 2025 Issue date: 5 Dec 2019 |
Application | Utility: MAGNETICALLY ACTIVATED SWITCH HAVING MAGNETOSTRICTIVE MATERIAL Filling date: 7 Sep 2025 Issue date: 28 Nov 2019 |
Grant | Utility: Surface mount fuse Filling date: 7 Sep 2025 Issue date: 26 Nov 2019 |
Grant | Utility: Integrated rain and solar radiation sensing module Filling date: 7 Sep 2025 Issue date: 26 Nov 2019 |
Grant | Utility: Fuses and methods of forming fuses Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: Vented power distribution housing Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: High-current fuse with endbell assembly Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: Inner cap for high voltage fuse Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: Hollow core magnetic position sensor Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: Power device cassette with auxiliary emitter contact Filling date: 7 Sep 2025 Issue date: 19 Nov 2019 |
Grant | Utility: USB cable with thermal protection Filling date: 7 Sep 2025 Issue date: 12 Nov 2019 |
Grant | Utility: Asymmetric transient voltage suppressor device and methods for formation Filling date: 7 Sep 2025 Issue date: 12 Nov 2019 |
Grant | Utility: Offset tuning fork contact terminals and methods of forming thereof Filling date: 7 Sep 2025 Issue date: 5 Nov 2019 |
Application | Utility: SEMICONDUCTOR DEVICE HAVING SIDE-DIFFUSED TRENCH PLUG Filling date: 7 Sep 2025 Issue date: 24 Oct 2019 |
Grant | Utility: Heat transfer plate having small cavities for taking up a thermal transfer material Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Fuse assembly Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Thrysitor and thermal switch device and assembly techniques therefor Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Battery terminal fuse module Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Coiled fusible element for high reliability fuse Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Devices, systems, and methods for increasing terminal electrical contact Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Synchronous sensing of inductor current in a buck converter control circuit Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Tuning fork terminal slow blow fuse Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Male connector for non-arcing electrical coupling Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Reflowable thermal fuse Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Trench IGBT with waved floating P-well electron injection Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Electrical contact assembly Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Hybrid device structures including negative temperature coefficient/positive temperature coefficient device Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Super junction field effect transistor with internal floating ring Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Grant | Utility: Method of forming a reed for reed switch Filling date: 7 Sep 2025 Issue date: 15 Oct 2019 |
Showing 150 to 200 of 216 patents.