Company Filing History:
Years Active: 1994-1999
Title: Innovations of Lester A. Hass
Introduction
Lester A. Hass is a notable inventor based in Duvall, Washington. He has made significant contributions to the field of motor control systems, particularly in applications for treadmills. With a total of six patents to his name, his work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is the "Variable Speed AC Motor Drive for Treadmill." This invention features a control drive system that adjusts pulse width modulated signals based on the line voltage and load on the AC motor. This ensures that the motor maintains the desired speed under varying conditions. Another significant patent is the "Current Sensing Module for a Variable Speed AC Motor Drive." This module is designed to protect the AC motor from damage by sensing excessive current conditions and monitoring average current values over time.
Career Highlights
Lester A. Hass is currently associated with Quinton Instrument Company, where he continues to innovate in motor control technologies. His work has been instrumental in enhancing the performance and reliability of treadmill systems.
Collaborations
Lester has collaborated with notable colleagues such as John T. Rotunda and Bruce D. Densmore. Their combined expertise has contributed to the successful development of advanced motor control solutions.
Conclusion
Lester A. Hass is a distinguished inventor whose innovations in motor control systems have significantly advanced treadmill technology. His patents reflect a commitment to improving performance and safety in this field.