Littelfuse, Inc.

États‑Unis d’Amérique


 
Quantité totale PI 754
Quantité totale incluant filiales 758 (+ 4 pour les filiales)
Rang # Quantité totale PI 1 674
Note d'activité PI 3,3/5.0    360
Rang # Activité PI 1 991
Symbole boursier LFUS (nasdaq)
ISIN US5370081045
Capitalisation 5,200M  (USD)
Industrie Electronics Distribution
Secteur Technology
Classe Nice dominante Appareils et instruments scienti...

Brevets

Marques

488 70
17 23
121 14
21
 
Dernier brevet 2024 - Arc quenching fuse filler for cu...
Premier brevet 1973 - Rocker switch
Dernière marque 2023 - 2PRO
Première marque 1945 - LF

Filiales

3 subsidiaries with IP (2 patents, 2 trademarks)

2 subsidiaries without IP

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Industrie (Classification de Nice)

Derniers inventions, produits et services

2023 P/S Circuit protection devices.
Invention Unsealed single fuse holder. A fuse holder includes a movable tab, a base, and a cover. A stud i...
Invention Thin film coating packaging for device having meltable and wetting links. A method for creating ...
Invention Inner chambers with blast attenuation geometry on fuses. A fuse includes multiple stacked layers,...
P/S Thermal sensing device for use in electronics and circuit protection devices; temperature sensors...
Invention Solid state relay harvesting power from load by measuring zero crossing. A relay circuit, includ...
Invention Active/passive fuse module. An active/passive fuse module including a fuse having an electricall...
Invention Low resistance, high voltage and resistance stable pptc material and manufacturing. A novel poly...
Invention Fuse assembly using coated wound wire and sacrificial core. A fuse assembly includes a housing a...
Invention Automobile rain and temperature sensor module comprising a compound providing a thermally conduct...
Invention Attaching an isolated single stud fuse to an electrical device. An electrical device assembly and...
Invention Battery master disconnect switch with integrated voltage indicator. A battery master disconnect ...
Invention Thermal protection device to withstand high voltage. A thermal protection device, comprising: a ...
Invention Fuse design. A fuse assembly includes a fuse element, a first terminal, a second terminal, a soc...
2022 Invention Protection device including multi-plane fusible element. Disclosed are various protection devices...
Invention Contactor with integrated pyrotechnic interrupter. An electrical contactor including a contactor...
Invention Protection device with wall vent for breaking capacity improvement. Provided are circuit protect...
Invention High breaking capacity fuse with fire-extinguishing pads. A high breaking capacity fuse including...
Invention Unsealed single fuse holder. A fuse holder includes a movable tab, a base, and a cover. A stud is...
Invention Semiconductor chip package and method of assembly. A semiconductor device substrate assembly may...
Invention Single bolt fuse assembly with an electrically isolated bolt. A single bolt fuse assembly and met...
Invention Pptc actuator heater. A novel heater is disclosed for a temperature sensitive actuator. The heate...
Invention Inner chambers with blast attenuation geometry on fuses. A fuse includes multiple stacked layers...
Invention Fuse body with notched ends. A fuse including a fuse body having first and second end faces at op...
Invention Pptc tank heater. A polymeric positive temperature coefficient (PPTC) tank heater features a firs...
Invention Fuse and protection circuit based upon bidirectionalswitch. Circuitry and techniques for providi...
Invention Overcurrent protection by depletion mode mosfet or jfet and bi-metallic temperature sensing switc...
Invention Power substrate assembly with reduced warpage. A substrate assembly may include a power substrat...
Invention Solderless and pressure contact connection. A pressure contact assembly includes a power substra...
Invention High reliability semiconductor package design. A power semiconductor device package. The package...
Invention Metal oxide varistor with reinforced electrodes. A metal oxide varistor (MOV) device including a...
Invention Step-terminated smd fuse. A fuse includes a stack, a flattened wire, and a terminal. The stack ha...
Invention Improved performance three-phase ground fault circuit interrupter. Devices herein may include con...
Invention Bend web design for reed switches. A novel reed switch is disclosed. The reed switch features thr...
Invention Magnetic sensing system for multiple door appliances. A magnetic sensing system includes a sensor...
Invention Arrayed element design for chip fuse. A chip fuse includes a first terminal disposed on a first ...
Invention Solid state relay harvesting power from load by measuring stored energy. A relay circuit may incl...
Invention Solid state relay harvesting power from load by measuring zero crossing. A relay circuit, includi...
Invention Fuse with compartmentalized body and parallel fuse elements. A fuse including a fuse body having ...
Invention Stud assembly. A stud assembly is assembled by inserting a sphere into a cavity of a stud, where...
Invention Fuse terminal design. A fuse assembly includes a fuse element and a terminal vent channel. The fu...
2021 Invention Temperature-sensing tape based upon bimetal switch, and method of temperature control. A temper...
Invention Two-piece fuse endbell with pre-cast/pre-molded alignment slots and optional interface crush ribs...
Invention Fuse housing for safe outgassing. A fuse housing for safe outgassing of a fuse is disclosed. The ...
Invention Quick assembly plug connector. Provided herein is are quick-assembly plug connectors. In some emb...
Invention Fuse assembly including anti-rotation device. Provided herein is a fuse assembly including an an...
Invention Performance three-phase ground fault circuit interrupter. Devices herein may include conductor li...
Invention Bend web design for reed switches. A reed switch including a cylindrical enclosure with two ends,...
Invention Method for sealed fuse holder with iso micro relay. A novel electrical box to house one or more I...
2020 Invention Circuit protection device with ptc device and backup fuse. A circuit protection device including...
Invention Arc quenching fuse filler for current limiting fuses. A method for producing an arc quenching fu...
Invention Pptc heater and material having stable power and self-limiting behavior. A polymer positive temp...
2019 P/S Diodes; electric diodes; transient suppressing diodes; thyristors; surge protectors.
2018 P/S Inventory monitoring for electrical fuses; analysis of a customer's inventory of electrical fuses...
2017 P/S Thermal sensors for use in electronics and circuit protectors; thermal sensors sold as an integra...
P/S Thermal sensing device for use in electronics and circuit protection devices; thermal sensing dev...
P/S Electrostatic discharge (ESD) protectors; electrostatic discharge (ESD) suppressors
P/S Electrostatic discharge (ESD) protection devices; electrostatic discharge (ESD) suppressors
P/S Thermistors; negative temperature coefficient (NTC) thermistors; electric resistances; temperatur...
P/S Sensors for measuring distances; sensors for determining position; electric sensors; liquid level...
P/S Circuit overload protector devices; circuit overvoltage protector devices; circuit overcurrent pr...
P/S Circuit overload protectors; circuit overvoltage protectors; circuit overcurrent protectors; circ...
P/S Circuit protection devices, namely, circuit overload protector devices; circuit current overload ...
2016 P/S Variable frequency drives for large power applications in the oil and gas, marine, metal, mining,...
P/S Circuit overload protector devices
P/S Electrical relays for motor protection and control
P/S Electrical relays for submersible pump protection and control.
P/S Varistors; resistors.
2015 P/S Thermistor apparatus for electrical circuit protection made from conductive polymer material.
P/S Electric generators; diesel generators; current generators; mobile electric power generators; sta...
P/S Fuses; electrical fuses; fuses for automobiles; fuse clips; mounting devices for fuses; circuit b...
P/S Electrical fuses; fuses for automobiles.
P/S Electrical fuses; fuses for automobiles; electrical fuse holders; devices for holding multiple fu...
P/S Electrical switches; switching elements, including reed switches; magnetic sensors, including ree...
P/S Electrical fuses; fuse blocks; fuse holders; electrical switches; electrical indicator switches
P/S Circuit overload protector devices; thermistors
P/S Fuses; electrical fuses; fuses for automobiles; fuse clips; mounting devices for fuses; circuit ...
P/S Electric generators; diesel generators; current generators; mobile electric power generators; st...
P/S Electrical fuses; fuses for automobiles
P/S Electrical fuses; fuses for automobiles; electrical fuses and holder therefor, all sold as a unit
2014 P/S Fuses; electrical fuses; fuses for automobiles; fuse clips; mounting devices for fuses; semicondu...
P/S Fuses; fuses for automobiles; fuse clips; mounting devices for fuses; semiconductors; rectifiers;...
P/S Varistors; automotive varistors
P/S Electrical fuses; fuses for automobiles; electrical shunts