Growing community of inventors

Porto, Portugal

William Chohfi

Average Co-Inventor Count = 1.88

ph-index = 5

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 = 73

William ChohfiCarlos Aguiar (2 patents)William ChohfiJose Portocarrero (2 patents)William ChohfiJose Veiga Dias (2 patents)William ChohfiWilliam Chohfi (5 patents)Carlos AguiarCarlos Aguiar (50 patents)Jose PortocarreroJose Portocarrero (2 patents)Jose Veiga DiasJose Veiga Dias (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Amtrol Licensing, Inc. (3 from 63 patents)

2. Amtrol Inc. (2 from 46 patents)


5 patents:

1. 9932148 - Handle assembly for a portable pressurized gas cylinder

2. 8944278 - Clip-on handle grips

3. 8215517 - Compressed gas cylinder having conductive polymeric foot ring

4. D460519 - Handle

5. 6386384 - Full jacket gas cylinder

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idiyas.com
as of
12/12/2025
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