CF

Charles D. Foster

HS Hydrochem Industrial Services: 4 patents #1 of 8Top 15%
PR Prometric: 1 patents #6 of 15Top 40%
📍 Oakland, CA: #794 of 4,380 inventorsTop 20%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #600,546 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12277870 Interface to natural language generator for generation of knowledge assessment items Saad Khan, Jesse Andrew Lewis Hamer, Tiago Lima Almeida, Geoff Converse, Claudio Souza +2 more 2025-04-15
6779915 Holder for 5 gallon bucket during mixing 2004-08-24
6503334 Forced mist cleaning of combustion turbines R. Ruiz 2003-01-07
6491048 Manifold for use in cleaning combustion turbines 2002-12-10
6478033 Methods for foam cleaning combustion turbines 2002-11-12
6311704 Methods and apparatus for chemically cleaning turbines 2001-11-06
5090205 Methods and apparatus for periodic chemical cleanings of turbines 1992-02-25
5018355 Method and apparatus for periodic chemical cleanings of turbines 1991-05-28