Growing community of inventors

Neuilly S/Seine, France

Ernest Kallmann

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 = 16

Ernest KallmannBernard Zimmern (1 patent)Ernest KallmannErnest Kallmann (1 patent)Bernard ZimmernBernard Zimmern (19 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,966 patents)


1 patent:

1. 4968231 - Oil-free rotary compressor with injected water and dissolved borate

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