Growing community of inventors

Wickliffe, OH, United States of America

Donald J Marn

Average Co-Inventor Count = 2.67

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 32

Donald J MarnMary F Salomon (1 patent)Donald J MarnJoseph W Pialet (1 patent)Donald J MarnRobert C Richardson (1 patent)Donald J MarnFranklin Paul Abbott (1 patent)Donald J MarnDonald J Marn (2 patents)Mary F SalomonMary F Salomon (27 patents)Joseph W PialetJoseph W Pialet (25 patents)Robert C RichardsonRobert C Richardson (5 patents)Franklin Paul AbbottFranklin Paul Abbott (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Lubrizol Corporation (2 from 1,305 patents)


2 patents:

1. 6362136 - Compositions for extending seal life, and lubricants and functional fluids containing the same

2. 5366648 - Functional fluids useful at high temperatures

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12/15/2025
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