353 patents
Page 5 of 18
Utility
PPTC heating element having varying power density
31 Jan 23
A pPTC heating device having areas with different power densities distributed over the surface of the device.
Efrem Fesshaie, Paulius Kabisius
Filed: 15 Oct 20
Utility
Fuse and Protection Circuit Based Upon Bidirectionalswitch
26 Jan 23
Circuitry and techniques for providing a bidirectional switch in devices for overcurrent protection and voltage protection are disclosed herein.
Martin Schulz, Cesar Martinez, Liutauras Storasta
Filed: 20 Jul 22
Utility
Step Voltage Identification for Multiple Inputs
12 Jan 23
Provided herein are approaches for determining a status of a fuse.
Yanqiu JIA, Dan JIN, Yu WANG
Filed: 26 Dec 19
Utility
Semiconductor discharge protection device with diode and silicon controlled rectifier arrangements
10 Jan 23
Aspects of the present disclosure include one or more semiconductor electrostatic discharge protection devices.
Ming-Feng Hsieh, Chih-Chun Lin, Zhihao Pan
Filed: 29 Jul 20
Utility
Systems, Circuits, and Methods for Determining Status of Fuse or Relay
5 Jan 23
Provided herein are approaches for determining a status of a fuse or relay.
Yanqiu JIA, Yu WANG, Du CHENG
Filed: 29 Oct 19
Utility
Performance Three-Phase Ground Fault Circuit Interrupter
5 Jan 23
Devices herein may include conductor lines connected between a power supply and load, each of the conductor lines coupled to an AC contactor and a contactor control circuit, wherein the contactor control circuit is operable to open and close one or more contactors of the AC contactor.
S. Ali Melli, Loc Gia Luu
Filed: 30 Jun 21
Utility
Relay Assembly with Reverse Connection Protection
5 Jan 23
Disclosed are electrical relay assemblies including a positive temperature coefficient thermistor (PTC) for reverse connection protection.
Yanqiu JIA, Dan Jin, Yu Wang
Filed: 5 Dec 19
Utility
Surge protection apparatus having embedded fuse
3 Jan 23
A surge protection apparatus may include an input terminal; an output terminal, the output terminal electrically coupled to the input terminal; a ground terminal, the ground terminal electrically coupled to the input terminal and output terminal; a positive temperature coefficient (PTC) fuse, the PTC fuse connected in electrical series between the input terminal and output terminal; a crowbar device, the crowbar device electrically connected to the ground terminal and output terminal, wherein the crowbar device is in electrical series with the PTC fuse between the input terminal and ground terminal; and a central frame portion, the central frame portion electrically coupled to the input terminal, output terminal and ground terminal, wherein the crowbar device is disposed on a first side of the central frame portion and the PTC fuse is disposed on a second side of the central frame portion, opposite the first side.
Kueir-Liang Lu, Lei Shi, Chao Yi Chang, Chuan Fang Chin
Filed: 5 Sep 16
Utility
Semiconductor device module and method of assembly
3 Jan 23
A semiconductor device module.
Elmar Wisotzki
Filed: 10 May 21
Utility
Monitor device, ground fault protection circuit and techniques
27 Dec 22
A fault protection arrangement may include a neutral grounding resistor, the neutral grounding resistor comprising a ground end and a non-ground end.
Kristophor Jensen, Kip M. Larson, Cornelis Verhey
Filed: 8 Mar 19
Utility
Single Bolt Fuse Assembly with an Electrically Isolated Bolt
22 Dec 22
A single bolt fuse assembly and method to connect a single bolt fuse to a circuit or device are disclosed.
TIZIANO BIANCHIN, MASSIMILIANO TINTO, ANDREW J. JOZWIAK, GEOFFREY SCHWARTZ
Filed: 24 Aug 22
Utility
Protection device with laser trimmed fusible element
20 Dec 22
Provided are trimmed parallel element protection devices.
P-A-Homer II Dela Torre, Roel Santos Retardo, Kent Harvey Mercado Berenguel
Filed: 25 Mar 21
Utility
Bend Web Design for Reed Switches
8 Dec 22
A reed switch including a cylindrical enclosure with two ends, a first blade and a second blade is disclosed.
RICHARD MALABANAN TACLA, JORDANUFF CABILAN, EDWIN CANIDO ABERIN
Filed: 8 Jun 21
Utility
Fuses and methods of forming fuses
6 Dec 22
Exemplary embodiments of the present disclosure of a fuse may include a fuse body having a first portion and a second portion.
Maria Lily E. Rosios, Albert V. Enriquez, Victor Oliver L. Tabell, Gordon T. Dietsch, Keon Mayson A. Brosas
Filed: 4 May 21
Utility
Differential Signal Current Sensor
1 Dec 22
A differential signal current sensor device (100) may include a conductor (102) for conducting electrical current in a current direction.
Jianfei ZHAO
Filed: 20 Sep 19
Utility
Design Method for Sealed Fuse Holder with Iso Micro Relay
1 Dec 22
A novel electrical box to house one or more ISO micro relays, is adapted to support IP67 and IP69K Ingress Protection ratings.
Michael J. Skrzypczak, Dave G. Kotowski
Filed: 27 May 21
Utility
PPTC Actuator Heater
24 Nov 22
A novel heater is disclosed for a temperature sensitive actuator.
Jianhua Chen, Rimantas Radzys
Filed: 4 Aug 22
Utility
High breaking capacity chip fuse
22 Nov 22
A high breaking capacity chip fuse including a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement in the aforementioned order, a fusible element disposed between the first and second intermediate insulative layers and extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer, wherein the first and second intermediate insulative layers are formed of porous ceramic.
Irma Valeriano Santos, G. Todd Dietsch
Filed: 18 Nov 21
Utility
Overcurrent Protection by Depletion Mode Mosfet or Jfet and Bi-metallic Temperature Sensing Switch In Mini Circuit Breaker
17 Nov 22
A miniature circuit breaker for providing short circuit and overload protection is disclosed herein.
Chuan Fang Chin, Teddy To
Filed: 20 Jul 22
Utility
PTC device with integrated fuses for high current operation
15 Nov 22
A circuit protection device including a PTC device having a PTC element, first and second electrodes disposed on opposing first and second surfaces of the PTC element, respectively, first and second chip fuses disposed on the first and second electrodes, respectively, the second chip fuse electrically connected in series with the PTC device, and the first chip fuse electrically in connected parallel with the PTC device and the second chip fuse, the first chip fuse having a lower electrical resistance than the PTC element when the PTC element is in a non-tripped state, wherein a fusible element of the first chip fuse has a first melting temperature and is configured to carry a current higher than the PTC element can carry without tripping, and wherein a fusible element of the second chip fuse has a second melting temperature that is greater than the first melting temperature.
Yuriy Borisovich Matus, Martin G. Pineda
Filed: 30 Nov 21