Growing community of inventors

Las Vegas, NV, United States of America

Rolf Engelhard

Average Co-Inventor Count = 4.00

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 = 43

Rolf Engelhard ↔ Julian Groeli (1 patent)Rolf Engelhard ↔ Matthew M Kranz (1 patent)Rolf Engelhard ↔ Delbert Dale Johnson (1 patent)Rolf EngelhardRolf Engelhard (1 patent)Julian GroeliJulian Groeli (30 patents)Matthew M KranzMatthew M Kranz (5 patents)Delbert Dale JohnsonDelbert Dale Johnson (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Blue Wave International Corporation (1 from 1 patent)


1 patent:

1. D714923 - Air purifier

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as of
1/8/2026
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