This inventor holds 5 USPTO granted patents. Top assignees: American Home Products Corporation, American Home Products Corporation (Del.), American Science and Engineering, Inc.. Active years: 1980-1985.
Company Filing History:
1 out of 1,567 
1 out of 42 
1 out of 153 
Years Active: 1980-1985
Title: Innovations of John S Ballas
Introduction
John S Ballas is a notable inventor based in Newton, MA (US). He has made significant contributions to the field of technology, holding a total of 5 patents. His work primarily focuses on methods and apparatuses that enhance the efficiency and accuracy of various processes.
Latest Patents
Among his latest innovations is the "Electro-static sheet feeding method and apparatus." This invention discloses a method that can selectively operate to strip sheet material from either the top or the bottom of a stack. The apparatus features a translatable member with a planar surface made of electrically insulative material, positioned near the stack. A pair of electrodes in the form of an electronic grid is secured to this surface. By applying a DC voltage to the electrodes, a highly intense electric field is created, which can be adjusted to determine the number of sheets removed from the stack. This electric field exerts an attractive force only on the end-most sheets, allowing for precise stripping.
Another significant patent is the "Fetal heart rate monitor apparatus and method for combining electrically." This invention provides a continuous monitoring solution for fetal heart rates using both ultrasonic and electrocardiographic signals. The continuous processing of these signals results in improved output for fetal heart rate indications, enhancing both continuity and accuracy.
Career Highlights
Throughout his career, John S Ballas has worked with reputable companies, including American Home Products Corporation and Brattle Instrument Corporation. His experience in these organizations has contributed to his development as an inventor and innovator.
Collaborations
John has collaborated with notable individuals in his field, including Paul Epstein and John J Mandler, Jr. These partnerships have likely influenced his work and led to further advancements in his inventions.
Conclusion
John S Ballas is a distinguished inventor whose work has significantly impacted technology through his innovative patents. His contributions continue to enhance various processes, showcasing the importance of creativity and research in the field of invention.