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Sarnia, Canada

Joseph Chan

Average Co-Inventor Count = 2.00

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 = 0

Joseph ChanElizabeth A Turner (2 patents)Joseph ChanJoseph Chan (2 patents)Elizabeth A TurnerElizabeth A Turner (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Exxonmobil Research and Engineering Company (2 from 1,780 patents)


2 patents:

1. 11275040 - Apparatus for determining the congealing point of a petroleum wax sample and methods therefor

2. 10551332 - Apparatus for determining the congealing point of a petroleum wax sample and methods therefor

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as of
12/19/2025
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