Company Filing History:
5 out of 69 
3 out of 120 
2 out of 8 Years Active: 1990-2004
Title: The Innovations of Charles R. Holdaway
Introduction
Charles R. Holdaway, an accomplished inventor based in San Diego, CA, has made significant contributions to the field of engineering with a portfolio of 14 patents. His work focuses on enhancing efficiency and functionality in various technologies, particularly in motor control systems and medical devices.
Latest Patents
Among his latest patents, Holdaway has developed an innovative open-loop step motor control system. This system is designed to reduce noise and power requirements while ensuring optimal torque is provided. By employing a one-phase-on drive mode that modifies microstepping, Holdaway's design allows the motor to accelerate in a non-linear manner, achieving maximum speed smoothly. The design also features a modified full step waveform that enhances performance by adjusting the current flow across the motor windings, reducing operational noise.
In addition, Holdaway's patent for a medical instrument sheath comprising a flexible ultrasound transducer showcases his ability to intersect healthcare with technology. This ultrasound transducer is composed of a nonconductive sheath body that snugly houses a piezoelectric copolymer transducer, ensuring effective transduction of ultrasound signals into electrical signals. This invention highlights his commitment to advancing medical technology for improved patient care.
Career Highlights
Holdaway has had a noteworthy career, having worked with prestigious companies such as Alaris Medical Systems, Inc. and Ivac Corporation. His experience in these organizations has allowed him to refine his skills in innovation and technology implementation, particularly in the areas of medical devices and precision engineering.
Collaborations
Throughout his career, Holdaway has collaborated with talented individuals like Robert Dwaine Butterfield and Stephen A. Martin. These partnerships have fostered a creative environment conducive to impactful inventions and technological advancements.
Conclusion
Charles R. Holdaway exemplifies the spirit of innovation through his impressive contributions to motor control technology and medical devices. His dedication to improving efficiency and performance through his patents serves as an inspiration within the inventing community and beyond. As he continues to push the boundaries of technology, Holdaway leaves a lasting impact on both industry and healthcare.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.