Growing community of inventors

Andover, United Kingdom

Leslie B Spark

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 = 59

Leslie B SparkColin T Billiet (1 patent)Leslie B SparkRobert Michael Fielding (1 patent)Leslie B SparkLeslie B Spark (1 patent)Colin T BillietColin T Billiet (23 patents)Robert Michael FieldingRobert Michael Fielding (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Domnick Hunter Filters Ltd. (1 from 11 patents)


1 patent:

1. 4668256 - Liquid/gas separation

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12/20/2025
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