Growing community of inventors

Piqua, OH, United States of America

Dan O'Brien

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 = 5

Dan O'BrienIvan Schreur (1 patent)Dan O'BrienDoug Shawver (1 patent)Dan O'BrienDan O'Brien (1 patent)Ivan SchreurIvan Schreur (1 patent)Doug ShawverDoug Shawver (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Crane Pumps & Systems, Inc. (1 from 12 patents)


1 patent:

1. 6988676 - Turbine drive rotary spray cleaner

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12/10/2025
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