RH

Ronald L. Haugen

IN Ingersoll-Rand: 2 patents #4 of 67Top 6%
📍 Mayfield, KY: #1 of 1 inventorsTop 100%
🗺 Kentucky: #40 of 568 inventorsTop 8%
Overall (1997): #25,965 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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