Growing community of inventors

Noble Park, Australia

John A Clements

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 12

John A ClementsRonald S Park (3 patents)John A ClementsWilliam H Maloney (3 patents)John A ClementsJohn A Clements (4 patents)Ronald S ParkRonald S Park (4 patents)William H MaloneyWilliam H Maloney (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Henderson's Industries Pty Ltd. (3 from 22 patents)

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


4 patents:

1. 5456777 - Method of making vandal resistant seat

2. 5275769 - Method of forming a vandal-resistant seat

3. 5259896 - Method of making vandal resistant seat

4. 4828908 - Vandal resistant seat

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as of
12/13/2025
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