Company Filing History:
Years Active: 2017-2018
Title: Innovations by Inventor Hai Hu Du
Introduction
Hai Hu Du is a notable inventor based in Dongguan, China. He has made significant contributions to the field of electrical wiring devices, holding a total of 2 patents. His work focuses on enhancing the safety and reliability of electrical systems.
Latest Patents
One of Hai Hu Du's latest patents is a protective device with self-test capabilities. This innovative electrical wiring device includes a protective assembly that consists of a sensor portion, a fault detection portion, and a switch portion. The control circuit is designed to automatically perform a test cycle periodically, which includes a series of tests to determine the operational state of the protective assembly. Each test result is stored in a test result table, allowing the control circuit to evaluate the results according to a predetermined voting scheme to determine the end-of-life state of the device.
Another significant patent is the protective device with a non-volatile memory miswire circuit. This invention features a processing circuit that determines the wiring state by detecting parameters at multiple line terminals during a specific period after a tripped state has been established. The processing circuit stores a wiring state indicator in a register, which is preset to trip the circuit interrupter when AC power is applied for the first time.
Career Highlights
Hai Hu Du is currently employed at Pass & Seymour, Inc., where he continues to innovate in the field of electrical devices. His work has contributed to advancements in safety and efficiency in electrical wiring systems.
Collaborations
Some of his notable coworkers include Joshua P. Haines and Michael F. McMahon, with whom he collaborates on various projects within the company.
Conclusion
Hai Hu Du's contributions to electrical wiring devices demonstrate his commitment to innovation and safety in the industry. His patents reflect a deep understanding of the technical challenges in electrical systems and a dedication to improving their functionality.