Growing community of inventors

Bodenwerder, Germany

Winfried Johannes Josef Spikermann

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

Winfried Johannes Josef Spikermann ↔ Kane Ian Ironside (1 patent)Winfried Johannes Josef SpikermannWinfried Johannes Josef Spikermann (1 patent)Kane Ian IronsideKane Ian Ironside (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Bpb Limited (1 from 33 patents)


1 patent:

1. 8968621 - Method and apparatus for producing a multilayer cementitious product

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