Granted Patent
Utility
US 6,309,175 · App. 09/456,332
Platform cooling in turbomachines
Inventors:
Hartmut Hähnle, Kenneth B. Hall, Sriwickrama Prithiviraj Harasgama, Konrad Vogeler
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Dec 8, 1999
Inventors
Hartmut Hähnle
Kenneth B. Hall
Sriwickrama Prithiviraj Harasgama
Konrad Vogeler
Assignee (at issue)
ABB Alstom Power (Schweiz)
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.