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Ramona, CA, United States of America

Donald Douglas Spani

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 = 0

Donald Douglas SpaniFrank Stephen Wyle (2 patents)Donald Douglas SpaniAlan J Spero (2 patents)Donald Douglas SpaniDonald Douglas Spani (2 patents)Frank Stephen WyleFrank Stephen Wyle (10 patents)Alan J SperoAlan J Spero (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Thermal Storage Systems (2 from 7 patents)


2 patents:

1. 12196501 - Thermal storage device with immiscible storage media

2. 11768038 - Thermal storage device with immiscible storage media

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as of
12/15/2025
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