DH

Douglas A. Hodgson

LO Lord: 8 patents #39 of 448Top 9%
IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
Overall (All Time): #662,427 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6672575 Surface effect damper Wallace C. Flower, Peter Masterson, Paul J. Bachmeyer 2004-01-06
5716162 Dual-stage mounting system for vibratory compactor drum Shannon K. Sweeney, Gregory A. Shives 1998-02-10
5526292 Broadband noise and vibration reduction Mark R. Jolly, Mark Norris, Dino J. Rossetti, Douglas Swanson, Steve C. Southward 1996-06-11
5174552 Fluid mount with active vibration control Charles M. Nobles, Peter J. Jones, Mark R. Jolly, Donald L. Margolis 1992-12-29
5029823 Vibration isolator with electrorheological fluid controlled dynamic stiffness Theodore G. Duclos 1991-07-09
4969632 Mount with adjustable length inertia track Theodore G. Duclos 1990-11-13
4733758 Tunable electrorheological fluid mount Theodore G. Duclos, J. David Carlson 1988-03-29
4720087 Inertia type fluid mount using electrorheological and other fluid Theodore G. Duclos, J. David Carlson 1988-01-19