Growing community of inventors

Centerville, OH, United States of America

Robert M Columbus

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 = 0

Robert M ColumbusJohn P Barber (1 patent)Robert M ColumbusDuane C Newman (1 patent)Robert M ColumbusBruce Kouse (1 patent)Robert M ColumbusRobert M Columbus (1 patent)John P BarberJohn P Barber (39 patents)Duane C NewmanDuane C Newman (8 patents)Bruce KouseBruce Kouse (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Iap Research, Inc. (1 from 25 patents)

2. Elliott Tool Technologies Ltd. (1 from 1 patent)


1 patent:

1. 6857185 - Method for electromagnetically joining tubes to sheets in a tubular heat transfer system

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as of
12/31/2025
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