Company Filing History:
5 out of 543 
2 out of 21,402 
2 out of 259 
Years Active: 1991-2022
Title: Biography of Donald E Negrelli
Introduction: Donald E Negrelli is an accomplished inventor based in Gates Mills, OH (US). He holds a total of nine patents, showcasing his innovative contributions to the field of conduit fittings.
Latest Patents: One of his notable patents is a ferrule for a conduit fitting. This invention includes an interior wall extending along a central axis, allowing the ferrule to be installed over a conduit end. The design features a first end portion with a camming surface and driven surface at specific angles, enhancing its functionality. Another patent for the ferrule also emphasizes the importance of the angles of the driven and camming surfaces, ensuring optimal performance in conduit applications.
Career Highlights: Throughout his career, Negrelli has worked with prominent companies such as Picker International, Inc. and Koninklijke Philips Corporation N.V. His experience in these organizations has contributed to his expertise in developing innovative solutions.
Collaborations: Negrelli has collaborated with notable colleagues, including Leonard F Plut and Peter C Williams. These partnerships have likely fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion: Donald E Negrelli's contributions to the field of inventions, particularly in conduit fittings, demonstrate his commitment to innovation. His extensive patent portfolio and collaborative efforts highlight his impact on the industry.