Growing community of inventors

San Antonio, TX, United States of America

Leonard E Orzech

Average Co-Inventor Count = 11.00

ph-index = 1

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 = 2

Leonard E Orzech ↔ Patrick E Mosier (1 patent)Leonard E Orzech ↔ John Kent Pudelski (1 patent)Leonard E Orzech ↔ Christopher L Friend (1 patent)Leonard E Orzech ↔ Barton J Schober (1 patent)Leonard E Orzech ↔ Michael J Covitch (1 patent)Leonard E Orzech ↔ Daniel C Visger (1 patent)Leonard E Orzech ↔ David Price (1 patent)Leonard E Orzech ↔ Daniel M Vargo (1 patent)Leonard E Orzech ↔ Suzanne Patterson (1 patent)Leonard E Orzech ↔ Calvin A James (1 patent)Leonard E Orzech ↔ Daniel Visger (0 patent)Leonard E OrzechLeonard E Orzech (1 patent)Patrick E MosierPatrick E Mosier (54 patents)John Kent PudelskiJohn Kent Pudelski (42 patents)Christopher L FriendChristopher L Friend (19 patents)Barton J SchoberBarton J Schober (18 patents)Michael J CovitchMichael J Covitch (16 patents)Daniel C VisgerDaniel C Visger (15 patents)David PriceDavid Price (11 patents)Daniel M VargoDaniel M Vargo (9 patents)Suzanne PattersonSuzanne Patterson (8 patents)Calvin A JamesCalvin A James (3 patents)Daniel VisgerDaniel Visger (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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


1 patent:

1. 8168574 - Dispersant viscosity modifiers based on maleic anhydride-styrene copolymers

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12/9/2025
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