Growing community of inventors

Happy Valley, Australia

Robert J Hillyard

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 = 9

Robert J HillyardManfred H Geitz (1 patent)Robert J HillyardRobert J Hillyard (1 patent)Manfred H GeitzManfred H Geitz (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Henderson's Federal Spring Works Pty. Ltd. (1 from 2 patents)


1 patent:

1. 5224757 - Lumbar support waist band and mechanism therefor

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12/17/2025
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