Growing community of inventors

Arlington, TX, United States of America

Johannes Spijkerman

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 293

Johannes SpijkermanHubert F Flamant (2 patents)Johannes SpijkermanElroy T Cantrell (1 patent)Johannes SpijkermanIvan H Darius (1 patent)Johannes SpijkermanJohannes Spijkerman (3 patents)Hubert F FlamantHubert F Flamant (2 patents)Elroy T CantrellElroy T Cantrell (6 patents)Ivan H DariusIvan H Darius (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mti Gmbh (2 from 11 patents)

2. Other (1 from 832,891 patents)


3 patents:

1. 6174295 - Chest mounted cardio pulmonary resuscitation device and system

2. 6126588 - Flexible magnetic pad

3. 5594615 - Method and apparatus for reducing the intensity of magenetic field

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as of
1/2/2026
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