RG

Rollin George Giffin

GE: 30 patents #700 of 36,430Top 2%
📍 Montgomery, OH: #5 of 87 inventorsTop 6%
🗺 Ohio: #1,668 of 73,341 inventorsTop 3%
Overall (All Time): #119,414 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
8708643 Counter-rotatable fan gas turbine engine with axial flow positive displacement worm gas generator Kurt David Murrow, Oladapo Fakunle 2014-04-29
8695324 Multistage tip fan James Edward Johnson 2014-04-15
8622687 Method of operating adaptive core engines Brandon Powell, Mark Thomas Harrington, James Edward Johnson 2014-01-07
8328542 Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets Kurt David Murrow 2012-12-11
8127527 Methods and systems for operating oxidizer systems 2012-03-06
7905084 Rotary pressure rise combustor for a gas turbine engine Kurt David Murrow, Matthew Timothy Franer 2011-03-15
7854111 Axial flow positive displacement turbine Kurt David Murrow 2010-12-21
7784266 Methods and systems for supplying air to a vehicle John Lewis Baughman, Ronald Burton Steinmetz 2010-08-31
7726115 Axial flow positive displacement worm compressor Kurt David Murrow, Oladapo Fakunle 2010-06-01
7707815 Axial flow positive displacement worm gas generator Kurt David Murrow, Oladapo Fakunle 2010-05-04
7631484 High pressure ratio aft fan James Edward Johnson 2009-12-15
7624565 Hybrid worm gas turbine engine Kurt David Murrow, Oladapo Fakunle 2009-12-01
7246484 FLADE gas turbine engine with counter-rotatable fans James Edward Johnson 2007-07-24
7144221 Method and apparatus for assembling gas turbine engines 2006-12-05
6672072 Pressure boosted compressor cooling system 2004-01-06
6662546 Gas turbine engine fan 2003-12-16
6041589 Asymmetric turboprop booster Joey L. Nelson 2000-03-28
5820345 Split rotor shaft driven lift fan Lawrence W. Dunbar, Ronald F. Petsch 1998-10-13
5809772 Turbofan engine with a core driven supercharged bypass duct James Edward Johnson, David William Crall, John W. Salvage, Peter Szucs 1998-09-22
5680754 Compressor splitter for use with a forward variable area bypass injector John J. Ciokajlo, Lawrence W. Dunbar 1997-10-28
5345760 Turboprop booster 1994-09-13
5327716 System and method for tailoring rotor tip bleed air Harvey M. Maclin 1994-07-12
5261227 Variable specific thrust turbofan engine 1993-11-16
5231825 Method for compressor air extraction John Lewis Baughman 1993-08-03
5155993 Apparatus for compressor air extraction John Lewis Baughman 1992-10-20