Littelfuse
Patents, Design & Utilities
Last updated:
List of all Littelfuse patents 216 in total
| Status | Patent |
|---|---|
Application | Utility: GROUND FAULT PROTECTION CIRCUIT AND TECHNIQUES Filling date: 5 Sep 2025 Issue date: 18 Nov 2021 |
Application | Utility: PROCESS FOR MANUFACTURING SEALED AUTOMOTIVE ELECTRICAL FUSE BOX Filling date: 5 Sep 2025 Issue date: 18 Nov 2021 |
Application | Utility: PPTC DEVICE HAVING LOW MELTING TEMPERATURE POLYMER BODY Filling date: 5 Sep 2025 Issue date: 7 Oct 2021 |
Application | Utility: POLYMERIC POSITIVE TEMPERATURE COEFFICIENT (PPTC) BODIES AND DEVICES MADE THEREFROM Filling date: 5 Sep 2025 Issue date: 7 Oct 2021 |
Application | Utility: ELEMENT SUB-STRUCTURE Filling date: 5 Sep 2025 Issue date: 30 Sep 2021 |
Application | Utility: THYRISTOR ASSEMBLY Filling date: 5 Sep 2025 Issue date: 30 Sep 2021 |
Grant | Utility: Method of forming a fuse device Filling date: 5 Sep 2025 Issue date: 21 Sep 2021 |
Grant | Utility: Element sub-structure Filling date: 5 Sep 2025 Issue date: 7 Sep 2021 |
Application | Utility: METAL TAB FOR CHIP ASSEMBLY Filling date: 5 Sep 2025 Issue date: 2 Sep 2021 |
Application | Utility: POWER MODULE HOUSING WITH IMPROVED PROTRUSION DESIGN Filling date: 5 Sep 2025 Issue date: 2 Sep 2021 |
Grant | Utility: Monitor device, ground fault protection circuit and techniques Filling date: 5 Sep 2025 Issue date: 31 Aug 2021 |
Application | Utility: SEMICONDUCTOR DEVICE MODULE AND METHOD OF ASSEMBLY Filling date: 5 Sep 2025 Issue date: 26 Aug 2021 |
Application | Utility: Self-Limiting Heater Filling date: 5 Sep 2025 Issue date: 26 Aug 2021 |
Application | Utility: PPTC HEATER AND MATERIAL HAVING STABLE POWER AND SELF-LIMITING BEHAVIOR Filling date: 5 Sep 2025 Issue date: 26 Aug 2021 |
Grant | Utility: Fuses and methods of forming fuses Filling date: 5 Sep 2025 Issue date: 24 Aug 2021 |
Application | Utility: FUSES AND METHODS OF FORMING FUSES Filling date: 5 Sep 2025 Issue date: 19 Aug 2021 |
Application | Utility: LOW PROFILE INTEGRATED FUSE MODULE Filling date: 5 Sep 2025 Issue date: 19 Aug 2021 |
Grant | Utility: Semiconductor chip contact structure, device assembly, and method of fabrication Filling date: 5 Sep 2025 Issue date: 17 Aug 2021 |
Grant | Utility: Fuse with integrated heat shield Filling date: 5 Sep 2025 Issue date: 10 Aug 2021 |
Grant | Utility: Optical rain sensor with dynamic optical configuration control comprising a plurality of photo elements each capable of being selectively activated to emit light and deactivated to receive light Filling date: 5 Sep 2025 Issue date: 10 Aug 2021 |
Grant | Utility: Vertical surface mount device pass-through fuse Filling date: 5 Sep 2025 Issue date: 3 Aug 2021 |
Application | Utility: SEMICONDUCTOR CHIP PACKAGE AND METHOD OF ASSEMBLY Filling date: 5 Sep 2025 Issue date: 29 Jul 2021 |
Grant | Utility: Steering position rotary sensor assembly Filling date: 5 Sep 2025 Issue date: 13 Jul 2021 |
Grant | Utility: Integrated fuse module Filling date: 5 Sep 2025 Issue date: 13 Jul 2021 |
Grant | Utility: Pulsed wave guide liquid quality measurement Filling date: 5 Sep 2025 Issue date: 6 Jul 2021 |
Application | Utility: SELF-OSCILLATING SPREAD SPECTRUM FREQUENCY CONTROL LOOP Filling date: 5 Sep 2025 Issue date: 1 Jul 2021 |
Grant | Utility: Protection device with u-shaped fuse element Filling date: 5 Sep 2025 Issue date: 29 Jun 2021 |
Grant | Utility: Low profile integrated fuse module Filling date: 5 Sep 2025 Issue date: 29 Jun 2021 |
Application | Utility: ACTIVE/PASSIVE FUSE MODULE Filling date: 5 Sep 2025 Issue date: 17 Jun 2021 |
Application | Utility: SEMICONDUCTOR DEVICE MODULE AND METHOD OF ASSEMBLY Filling date: 5 Sep 2025 Issue date: 17 Jun 2021 |
Grant | Utility: Semiconductor device module and method of assembly Filling date: 5 Sep 2025 Issue date: 15 Jun 2021 |
Grant | Utility: PPTC device having resistive component Filling date: 5 Sep 2025 Issue date: 15 Jun 2021 |
Application | Utility: NOVEL POWER SEMICONDUCTOR DEVICE HAVING GUARD RING STRUCTURE, AND METHOD OF FORMATION Filling date: 5 Sep 2025 Issue date: 3 Jun 2021 |
Application | Utility: SEMICONDUCTOR DEVICE HAVING JUNCTION TERMINATION STRUCTURE AND MEHTOD OF FORMATION Filling date: 5 Sep 2025 Issue date: 20 May 2021 |
Application | Utility: BI-STABLE MECHANICAL LATCH INCLUDING POSITIONING SPHERES Filling date: 5 Sep 2025 Issue date: 20 May 2021 |
Application | Utility: THERMAL SENSING WIRE AND TECHNIQUES FOR THERMAL SENSING Filling date: 5 Sep 2025 Issue date: 20 May 2021 |
Application | Utility: OMNIPOLAR MAGNETIC SWITCH WITH AXIALLY MAGNETIZED MAGNET ASSEMBLY FOR IMPROVED PRECISION Filling date: 5 Sep 2025 Issue date: 29 Apr 2021 |
Application | Utility: AUTOMOBILE ANTENNA ASSEMBLY WITH INTEGRATED PHOTO RADIATION INTENSITY SENSOR Filling date: 5 Sep 2025 Issue date: 29 Apr 2021 |
Grant | Utility: Power semiconductor device having guard ring structure, and method of formation Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 |
Grant | Utility: Flexible harness assembly for surface mounted devices Filling date: 5 Sep 2025 Issue date: 13 Apr 2021 |
Application | Utility: SEMICONDUCTOR DEVICE HAVING SIDE-DIFFUSED TRENCH PLUG Filling date: 5 Sep 2025 Issue date: 25 Mar 2021 |
Application | Utility: HIGH BREAKING CAPACITY CHIP FUSE Filling date: 5 Sep 2025 Issue date: 25 Mar 2021 |
Application | Utility: SEMICONDUCTOR CHIP CONTACT STRUCTURE, DEVICE ASSEMBLY, AND METHOD OF FABRICATION Filling date: 5 Sep 2025 Issue date: 25 Mar 2021 |
Grant | Utility: Asymmetric transient voltage suppressor device and methods for formation Filling date: 5 Sep 2025 Issue date: 23 Mar 2021 |
Application | Utility: PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER Filling date: 5 Sep 2025 Issue date: 18 Mar 2021 |
Grant | Utility: Surface mounted fuse device having positive temperature coefficient body Filling date: 5 Sep 2025 Issue date: 16 Mar 2021 |
Grant | Utility: Method of manufacturing a semiconductor device having side-diffused trench plug Filling date: 5 Sep 2025 Issue date: 9 Mar 2021 |
Grant | Utility: Ventilated fuse housing Filling date: 5 Sep 2025 Issue date: 23 Feb 2021 |
Application | Utility: VERTICAL SURFACE MOUNT DEVICE PASS-THROUGH FUSE Filling date: 5 Sep 2025 Issue date: 11 Feb 2021 |
Grant | Utility: Linear isolation amplifier and method for self-calibration thereof Filling date: 5 Sep 2025 Issue date: 2 Feb 2021 |
Showing 50 to 100 of 216 patents.