This inventor holds 12 USPTO granted patents. Top assignees: Lectromelt Corporation, Pennsylvania Engineering Corporation, Reynolds Metals Company. Active years: 1979-1986.
Company Filing History:
9 out of 16 
2 out of 59 
1 out of 432 Years Active: 1979-1986
Title: The Innovations of John A. Persson
Introduction
John A. Persson is a notable inventor based in Gibsonia, PA, with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in electrode technology, particularly in the field of arc furnaces and self-baking electrodes.
Latest Patents
Among his latest innovations is the "Arc Furnace Electrode Control," which features a sophisticated system for managing the phase angle between primary electrode voltage and current. This invention includes phase angle measuring devices that generate signals related to the phase angle, along with a bias circuit that produces a signal based on the reactive volt-amperes delivered to the electrodes. The control system is designed to position the electrodes accurately to achieve desired phase angles. Another significant patent is the "Iron Free Self Baking Electrode," which consists of an outer metallic shell and a center core made of graphite or prebaked carbon material. This design allows for rapid curing of a carbonaceous paste, enhancing the efficiency of the electrode.
Career Highlights
Throughout his career, John has contributed to various companies, including Lectromelt Corporation and Pennsylvania Engineering Corporation. His expertise in electrode technology has made a significant impact in the industry.
Collaborations
John has worked alongside notable colleagues such as Howard F. Davis, Jr. and Ross E. Andrews, contributing to the advancement of innovative technologies in their field.
Conclusion
John A. Persson's contributions to electrode technology through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry and inspire future advancements.