Growing community of inventors

Northbrook, IL, United States of America

Ralph Ostensen

Average Co-Inventor Count = 2.00

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 = 9

Ralph Ostensen ↔ Mark McGlothlin (1 patent)Ralph OstensenRalph Ostensen (1 patent)Mark McGlothlinMark McGlothlin (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Baxter Travenol Laboratories, Inc. (1 from 809 patents)


1 patent:

1. 4725268 - Vented anti-reflux valve

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as of
12/19/2025
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