Growing community of inventors

Houston, TX, United States of America

Alexander T Duncan

Average Co-Inventor Count = 2.00

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

Alexander T DuncanAndrew Albert Hrametz (2 patents)Alexander T DuncanAlexander T Duncan (2 patents)Andrew Albert HrametzAndrew Albert Hrametz (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Halliburton Energy Services, Inc. (2 from 11,766 patents)


2 patents:

1. 10299388 - Lead-free solder alloy for printed circuit board assemblies for high-temperature environments

2. 9357657 - Lead-free solder alloy for printed circuit board assemblies for high-temperature environments

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as of
12/4/2025
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