Growing community of inventors

Wantage, United Kingdom

John Henry Smythe

Average Co-Inventor Count = 1.29

ph-index = 2

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 = 7

John Henry SmytheGeorge Mortimer Tiffany, Iii (1 patent)John Henry SmytheGeorge Conrad L'Heureux (1 patent)John Henry SmytheJohn Henry Smythe (3 patents)George Mortimer Tiffany, IiiGeorge Mortimer Tiffany, Iii (8 patents)George Conrad L'HeureuxGeorge Conrad L'Heureux (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxon Chemical Patents, Inc. (2 from 1,415 patents)

2. Infineum International Limited (1 from 231 patents)


3 patents:

1. 10167440 - Marine engine lubrication

2. 6610634 - Two-cycle lubricating oil

3. 5965498 - Two-cycle synthetic lubricating oil

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1/23/2026
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