Growing community of inventors

Singapore, Singapore

Erik ANGgren

Average Co-Inventor Count = 1.00

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

Erik ANGgrenErik ANGgren (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ahlstrom Machinery Oy (1 from 30 patents)


1 patent:

1. 5879511 - Recovery boiler operation with black liquor feed in separate liquid

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1/13/2026
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