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Newport Beach, CA, United States of America

Richard S Karbo

Average Co-Inventor Count = 1.00

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 = 90

Richard S KarboRichard S Karbo (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hydro-Rain, Inc. (3 from 4 patents)

2. The Leisure Group, Inc. (1 from 6 patents)


4 patents:

1. 4336918 - Diaphragm valve with multiple pivot axis valve element

2. 4301992 - Diaphragm valve

3. 4173328 - In-line shut-off valve

4. 4149045 - Automatic controller

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