Growing community of inventors

Cedar Valley, Canada

Michael W Hetherington

Average Co-Inventor Count = 1.50

ph-index = 4

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 = 55

Michael W HetheringtonAllan D Millman (2 patents)Michael W HetheringtonDavid P Garner (2 patents)Michael W HetheringtonMichael W Hetherington (4 patents)Allan D MillmanAllan D Millman (4 patents)David P GarnerDavid P Garner (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Iona Appliances Inc./appareils Iona Inc. (3 from 4 patents)

2. Iona Appliances Inc. (1 from 8 patents)

3. Appareils Iona Inc. (1 from 2 patents)


4 patents:

1. 4798613 - Surface cleaning apparatus

2. D295566 - Combined vacuum cleaner and scrubbing brush

3. 4700428 - Hose assembly for fluid flow apparatus

4. D291376 - Portable vacuum cleaner

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as of
12/18/2025
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