Growing community of inventors

Maryland Heights, MO, United States of America

Daniel C Kroupa

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 250

Daniel C KroupaRichard J Johnson (3 patents)Daniel C KroupaRobert C Pfleging (3 patents)Daniel C KroupaTimothy J Anderson (3 patents)Daniel C KroupaDaniel C Kroupa (3 patents)Richard J JohnsonRichard J Johnson (10 patents)Robert C PflegingRobert C Pfleging (3 patents)Timothy J AndersonTimothy J Anderson (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. American Power Conversion Corporation (3 from 328 patents)


3 patents:

1. 7140193 - Rack-mounted equipment cooling

2. 6880349 - Rack-mounted equipment cooling

3. 6668565 - Rack-mounted equipment cooling

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as of
1/13/2026
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