Company Filing History:
7 out of 4,197 
1 out of 20 
1 out of 8,187 
Years Active: 1988-2000
Title: Innovative Contributions of Inventor John McHardy
Introduction
John McHardy, a remarkable inventor based in Westlake Village, California, has made significant strides in the field of sensor technology. With a total of nine patents under his name, McHardy has demonstrated a strong commitment to innovation, particularly in measuring the composition of electrically conductive mixtures.
Latest Patents
McHardy's latest inventions include two innovative patent applications that focus on dielectric mixture composition sensors. The first, titled "Dielectric Mixture Composition Sensor with Compensation for Mixture," involves a singular measurement cell utilizing a first and second electrode, designed to measure the composition of mixtures such as gasoline and alcohol. This invention operates by alternating the first electrode between a reference discharge voltage and an applied voltage. The system measures peak voltages during different operational states and sums them to correlate to the mixture's composition.
The second patent, "Dielectric Mixture Composition Linear Sensor with Compensation for," builds upon this concept. It also involves measuring a specimen of an electrically conductive mixture using a similar cell configuration. In this case, the feedback control voltage is utilized, allowing for a linear signal output relative to the dielectric constant of the conductive mixture. Both inventions showcase McHardy’s expertise in developing advanced electrical sensors with practical applications.
Career Highlights
Throughout his career, John McHardy has worked with prominent companies such as Hughes Aircraft Company and He Holdings, Inc. His experiences with these organizations have undoubtedly enriched his understanding of engineering and innovation.
Collaborations
In addition to his professional achievements, McHardy has collaborated with notable colleagues, including Carl W. Townsend and Clifford A. Megerle. These partnerships highlight the collaborative nature of innovation in the engineering field.
Conclusion
In summary, John McHardy's contributions to sensor technology through his innovative patents illustrate his valuable role as an inventor. His work not only enhances the accuracy of measuring electrically conductive mixtures but also sets a precedent for future advancements in sensor design. With continued dedication and inventive spirit, McHardy's legacy in the world of patents and inventions is likely to grow.