Growing community of inventors

Kitchener, Canada

Helmut Ruff

Average Co-Inventor Count = 3.00

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 = 30

Helmut RuffJules M Tremblay (1 patent)Helmut RuffDavid C Balmer (1 patent)Helmut RuffHelmut Ruff (1 patent)Jules M TremblayJules M Tremblay (11 patents)David C BalmerDavid C Balmer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricon Corporation (1 from 49 patents)


1 patent:

1. 5533594 - Chairlift with positioning carriage and swivel mechanism with safety

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12/19/2025
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