Growing community of inventors

Hollis, NH, United States of America

David Hards

Average Co-Inventor Count = 4.00

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 = 5

David Hards ↔ Ross Lyell Cowie (1 patent)David Hards ↔ Matthew T R Bailey (1 patent)David Hards ↔ Rudy A Vandenbell (1 patent)David HardsDavid Hards (1 patent)Ross Lyell CowieRoss Lyell Cowie (11 patents)Matthew T R BaileyMatthew T R Bailey (3 patents)Rudy A VandenbellRudy A Vandenbell (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Headwaters R+d Inc (1 from 15 patents)


1 patent:

1. 8083840 - High cleaning efficiency room air cleaner with slim profile

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as of
12/9/2025
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