Growing community of inventors

Corunna, Canada

Marshall Glenn Letts

Average Co-Inventor Count = 7.00

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 = 1

Marshall Glenn LettsFranciscus Gondulfus Antonius Van Den Berg (1 patent)Marshall Glenn LettsScott John Fryer (1 patent)Marshall Glenn LettsMichael Robert Margerum (1 patent)Marshall Glenn LettsWilliam James Power (1 patent)Marshall Glenn LettsOscar Kui Yin Sy (1 patent)Marshall Glenn LettsLarry Vadori (1 patent)Marshall Glenn LettsFranciscus Gondulfus Van Den Berg (1 patent)Marshall Glenn LettsOscar Kui Sy (1 patent)Marshall Glenn LettsMarshall Glenn Letts (1 patent)Franciscus Gondulfus Antonius Van Den BergFranciscus Gondulfus Antonius Van Den Berg (5 patents)Scott John FryerScott John Fryer (1 patent)Michael Robert MargerumMichael Robert Margerum (1 patent)William James PowerWilliam James Power (1 patent)Oscar Kui Yin SyOscar Kui Yin Sy (1 patent)Larry VadoriLarry Vadori (1 patent)Franciscus Gondulfus Van Den BergFranciscus Gondulfus Van Den Berg (1 patent)Oscar Kui SyOscar Kui Sy (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)

2. Shell Canada Limited (8 patents)


1 patent:

1. 7799206 - Method of producing a pipelineable blend from a heavy residue of a hydroconversion process

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12/20/2025
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