Growing community of inventors

Glassboro, NJ, United States of America

Perry Ray Ziegenbein

Average Co-Inventor Count = 3.00

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 = 4

Perry Ray Ziegenbein ↔ Matthew Howard Cawthorne (1 patent)Perry Ray Ziegenbein ↔ Robert P Narducci (1 patent)Perry Ray ZiegenbeinPerry Ray Ziegenbein (1 patent)Matthew Howard CawthorneMatthew Howard Cawthorne (10 patents)Robert P NarducciRobert P Narducci (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Boeing Company (1 from 22,252 patents)


1 patent:

1. 9440737 - Apparatus to adjust airfoils of rotor blades

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as of
1/4/2026
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