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Littelfuse Inc

LFUS

LFUS: Littelfuse is a primary provider of circuit protection products (such as fuses and relays) into the transportation, industrial, telecommunications, and consumer electronics end markets. The firm is also increasing its power semiconductor business, where it predominantly serves industrial end markets and is breaking into electric vehicle charging infrastructure. Littelfuse has 17,000 global employees.

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Politician Type Traded
Nicholas Van Taylor House / R Sale $1,001 - $15,000 Mar. 25, 2019
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U.S. Patents

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  • Patent Title: Magnetic core of a relay disconnect switch Sep. 26, 2023
  • Patent Title: Pptc material with low percolation threshold for conductive filler Sep. 19, 2023
  • Patent Title: Fuse with compartmentalized body and parallel fuse elements Sep. 05, 2023
  • Patent Title: Automobile rain and temperature sensor module with transparent compound contacts the transparent cover plate of a housing and particularly encases the light emitter and light receiver disposed within Aug. 29, 2023
  • Patent Title: Method for sealed fuse holder with iso micro relay Aug. 15, 2023
  • Patent Title: Fuse terminal design Aug. 08, 2023
  • Patent Title: Protection device including radial lead fuse Aug. 08, 2023
  • Patent Title: Bi-stable mechanical latch including positioning spheres Jul. 25, 2023
  • Patent Title: Performance three-phase ground fault circuit interrupter Jul. 04, 2023
  • Patent Title: Solid state relay harvesting power from load by measuring zero crossing Jun. 27, 2023
  • Patent Title: Waveguide for propagation velocity compensated position measurement magnetic sensor Jun. 27, 2023
  • Patent Title: Semiconductor device having side-diffused trench plug Jun. 27, 2023
  • Patent Title: Quick assembly plug connector Jun. 13, 2023
  • Patent Title: Pptc actuator heater Jun. 06, 2023
  • Patent Title: Two-piece fuse endbell with pre-cast/pre-molded alignment slots and optional interface crush ribs May. 16, 2023
  • Patent Title: Semiconductor device having junction termination structure and method of formation May. 16, 2023
  • Patent Title: Pptc heater and material having stable power and self-limiting behavior May. 16, 2023
  • Patent Title: Overcurrent protection by depletion mode mosfet or jfet and bi-metallic temperature sensing switch in mini circuit breaker Apr. 25, 2023
  • Patent Title: Modular high voltage fuse Apr. 18, 2023
  • Patent Title: Optical rain sensor Apr. 11, 2023
  • Patent Title: Pptc tank heater Apr. 04, 2023
  • Patent Title: Bend web design for reed switches Apr. 04, 2023
  • Patent Title: Thermal sensing wire and techniques for thermal sensing Mar. 28, 2023
  • Patent Title: Busbar design that terminates with sealed connector Mar. 21, 2023
  • Patent Title: Relay including bistable disconnect switch Mar. 14, 2023
  • Patent Title: Power semiconductor device having guard ring structure, and method of formation Mar. 07, 2023
  • Patent Title: Fuse housing for safe outgassing Feb. 28, 2023
  • Patent Title: Automobile antenna assembly with integrated photo radiation intensity sensor Feb. 21, 2023
  • Patent Title: Coil support structure and method of retaining pcba of a relay Feb. 14, 2023
  • Patent Title: Pptc heating element having varying power density Jan. 31, 2023
  • Patent Title: Semiconductor device module and method of assembly Jan. 03, 2023
  • Patent Title: Monitor device, ground fault protection circuit and techniques Dec. 27, 2022
  • Patent Title: Protection device with laser trimmed fusible element Dec. 20, 2022
  • Patent Title: Fuses and methods of forming fuses Dec. 06, 2022
  • Patent Title: High breaking capacity chip fuse Nov. 22, 2022
  • Patent Title: Radar-based occupancy detector for automobiles Nov. 15, 2022
  • Patent Title: Ptc device with integrated fuses for high current operation Nov. 15, 2022
  • Patent Title: Semiconductor chip package and method of assembly Nov. 01, 2022
  • Patent Title: Pptc actuator heater Nov. 01, 2022
  • Patent Title: Single bolt fuse assembly with an electrically isolated bolt Oct. 11, 2022
  • Patent Title: Automobile antenna assembly with integrated photo radiation intensity sensor Sep. 06, 2022
  • Patent Title: Surface mount fuse with solder link and de-wetting substrate Sep. 06, 2022
  • Patent Title: Ultra-low clamping voltage surge protection module using depletion mode mosfet Aug. 09, 2022
  • Patent Title: Process for manufacturing sealed automotive electrical fuse box Aug. 02, 2022
  • Patent Title: Active/passive fuse module Jul. 12, 2022
  • Patent Title: Discrete power transistor package having solderless dbc to leadframe attach Jul. 12, 2022
  • Patent Title: Depletion mode mosfet for overcurrent protection Jun. 28, 2022
  • Patent Title: Ground fault protection circuit and techniques Jun. 21, 2022
  • Patent Title: Overcurrent protection by depletion mode mosfet and bi-metallic temperature sensing switch Jun. 14, 2022
  • Patent Title: Semiconductor device having junction termination structure and method of formation Jun. 07, 2022
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