Growing community of inventors

Tecumseh, Canada

Darrell Charles Drouillard

Average Co-Inventor Count = 1.44

ph-index = 3

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 = 31

Darrell Charles DrouillardVasant Babaldas Patel (1 patent)Darrell Charles DrouillardWilliam Clayton Corcoran (1 patent)Darrell Charles DrouillardPeter J Dowding (1 patent)Darrell Charles DrouillardEdwin J Matysiewicz (1 patent)Darrell Charles DrouillardSteven Dropps (1 patent)Darrell Charles DrouillardRandall Berry (1 patent)Darrell Charles DrouillardStanley F Zenas (1 patent)Darrell Charles DrouillardDarrell Charles Drouillard (6 patents)Vasant Babaldas PatelVasant Babaldas Patel (2 patents)William Clayton CorcoranWilliam Clayton Corcoran (2 patents)Peter J DowdingPeter J Dowding (2 patents)Edwin J MatysiewiczEdwin J Matysiewicz (2 patents)Steven DroppsSteven Dropps (2 patents)Randall BerryRandall Berry (1 patent)Stanley F ZenasStanley F Zenas (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ford Global Technolgoies, LLC (6 from 25,901 patents)


6 patents:

1. 7975381 - Valve operating camshaft system for internal combustion engine

2. 7823567 - Fuel pump for internal combustion engine

3. 7757653 - Integrated exhaust manifold and cylinder head gasket

4. 6390080 - Intake manifold with a heated PCV passage

5. 5740778 - Variable geometry intake system for an internal combustion engine

6. 5669337 - Temperature sensing system for an internal combustion engine

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as of
12/7/2025
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