Growing community of inventors

Greenwood, Australia

Stephen James Watson

Average Co-Inventor Count = 2.22

ph-index = 4

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 = 69

Stephen James WatsonDarren A Smith (2 patents)Stephen James WatsonDavid Richard Worth (1 patent)Stephen James WatsonChristopher N Sayer (1 patent)Stephen James WatsonSam R Leighton (1 patent)Stephen James WatsonRobert Walter Frew (1 patent)Stephen James WatsonJorge Manuel Da Silva (1 patent)Stephen James WatsonStuart A Higgins (1 patent)Stephen James WatsonPeter W Czwienczek (1 patent)Stephen James WatsonStephen James Watson (5 patents)Darren A SmithDarren A Smith (11 patents)David Richard WorthDavid Richard Worth (15 patents)Christopher N SayerChristopher N Sayer (11 patents)Sam R LeightonSam R Leighton (8 patents)Robert Walter FrewRobert Walter Frew (5 patents)Jorge Manuel Da SilvaJorge Manuel Da Silva (1 patent)Stuart A HigginsStuart A Higgins (1 patent)Peter W CzwienczekPeter W Czwienczek (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Orbital Engine Company (australia) Pty Limited (4 from 77 patents)

2. Orbital Engine Company Pty. Ltd. (1 from 7 patents)


5 patents:

1. 5927238 - Valve timing for four stroke internal combustion engines

2. 5829407 - Internal combustion engines

3. 5655365 - Method of operating an internal combustion engine

4. 5392828 - Refillable liquid reservoir

5. 5245974 - Treatment of fuel vapor emissions

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as of
12/18/2025
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