Growing community of inventors

Raleigh, NC, United States of America

Richard Gerhard Spangenberg

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 = 4

Richard Gerhard SpangenbergJulius Michael Liptak (1 patent)Richard Gerhard SpangenbergRichard Gerhard Spangenberg (1 patent)Julius Michael LiptakJulius Michael Liptak (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Schneider Electric Usa, Inc. (1 from 640 patents)


1 patent:

1. 8964344 - Circuit breaker signaling system for control of an arc fault detection system

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as of
12/13/2025
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