Growing community of inventors

Marple, United Kingdom

Sydney Allan Heap

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 = 4

Sydney Allan Heap ↔ Willem Jacobus Naarding (1 patent)Sydney Allan HeapSydney Allan Heap (1 patent)Willem Jacobus NaardingWillem Jacobus Naarding (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. International Institute for Cotton (1 from 1 patent)


1 patent:

1. 4038813 - Spinning of twistless yarns by wet drafting

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12/21/2025
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