This inventor holds 3 USPTO granted patents. Top assignee: Westinghouse Electric Corporation. Active years: 1981-1990.
Location History:
- Penn Hills Township, Allegheny County, PA (US) (1981)
- Verona, PA (US) (1989 - 1990)
Company Filing History:
Years Active: 1981-1990
Title: Harold P. Johnson: Innovator in Ultrasonic and Eddy Current Inspection Technologies
Introduction
Harold P. Johnson is a notable inventor based in Verona, PA (US), recognized for his contributions to inspection technologies. He holds a total of 3 patents, showcasing his innovative approach to engineering challenges.
Latest Patents
One of his latest patents is an apparatus and method for providing a combined ultrasonic and eddy current inspection of tube walls. This invention features a cylindrical housing assembly that can be inserted into the tube for inspection. The apparatus includes a probe carrier that is rotatably mounted and helically movable within the housing. It holds three ultrasonic probes that transmit beams oriented radially, chordally, and axially, along with an eddy current probe. This design allows for simultaneous inspection of the tube walls using electromagnetic lines of flux. The helical drive train, formed from a lead screw assembly, enables a helical scanning motion of the probe carrier. The data generated by the probes is correlated and displayed simultaneously, allowing operators to accurately assess any flaws in the tube walls.
Career Highlights
Harold P. Johnson has made significant strides in his career, particularly through his work at Westinghouse Electric Corporation. His innovative spirit and technical expertise have led to advancements in inspection technologies that enhance safety and efficiency in various applications.
Collaborations
Throughout his career, Johnson has collaborated with notable colleagues, including Michael J. Metala and William G. Clark, Jr. These partnerships have contributed to the development of cutting-edge technologies in the field.
Conclusion
Harold P. Johnson's work exemplifies the spirit of innovation in engineering, particularly in the realm of inspection technologies. His contributions continue to impact the industry positively, ensuring safer and more reliable operations.