RH

Ronald L. Haugen

IN Ingersoll-Rand: 12 patents #14 of 828Top 2%
📍 Mayfield, KY: #1 of 25 inventorsTop 4%
🗺 Kentucky: #872 of 11,577 inventorsTop 8%
Overall (All Time): #427,164 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6616412 Tapered polygon coupling Robert King, Jeff Schmidt 2003-09-09
6516873 Heat exchanger 2003-02-11
6499958 Device and method for detachably connecting an impeller to a pinion shaft in a high speed fluid compressor R. Kevin Klope, Gary Owens 2002-12-31
6461111 Tapered polygon coupling Robert King, Jeff Schmidt 2002-10-08
6254349 Device and method for detachably connecting an impeller to a pinion shaft in a high speed fluid compressor R. Kevin Klope, James Pierce 2001-07-03
6213724 Method for detecting the occurrence of surge in a centrifugal compressor by detecting the change in the mass flow rate Meng Jeng Kann 2001-04-10
5611664 Apparatus to achieve passive damping of flow disturbances in a centrifugal compressor to control compressor surge 1997-03-18
5605435 Method and apparatus to achieve passive damping of flow disturbances in a centrifugal compressor to control compressor surge 1997-02-25
5536141 Method and apparatus to achieve passive damping of flow disturbances in a centrifugal compressor to control compressor surge 1996-07-16
5520507 Method and apparatus to achieve passive damping of flow disturbances in a centrifugal compressor to control compressor surge 1996-05-28
5480234 Journal bearing Wen-Jeng Chen 1996-01-02
5456535 Journal bearing Wen-Jeng Chen 1995-10-10