DO

David A. Ostergaard

CE Cedarapids: 14 patents #2 of 43Top 5%
Overall (All Time): #327,283 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6918492 Baffle assembly for a sealed shaft on a vibratory apparatus 2005-07-19
6641068 Jaw for a jaw crusher 2003-11-04
6347708 Wheel case for a vibratory apparatus 2002-02-19
6161650 Lubricating system for a vibratory apparatus Karen L. Knox, Edwin J. Sauser 2000-12-19
6155507 Device for securing the stationary jaw of a jaw crusher 2000-12-05
6126101 Double wedge key plates for a jaw crusher 2000-10-03
5971306 Gyratory crusher having tramp iron relief system with an annular hydraulic manifold William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, John C. Vendelin +5 more 1999-10-26
5944265 Gyratory crusher having self-contained lubrication system William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, John C. Vendelin +5 more 1999-08-31
5875981 Gyratory crusher having tramp iron relief system William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, John C. Vendelin +5 more 1999-03-02
5803382 Gyratory crusher having corrugation-like-seal William A. Ganser, IV, Joseph E. Musil, Donald W. Henry, Mark Lawrence Hunt, John C. Vendelin +5 more 1998-09-08
5799886 Gyratory crusher having thermal relief system Joseph E. Musil, Donald W. Henry, Jon Juhlin 1998-09-01
5111569 Method of locking an impeller bar against a seat 1992-05-12
5005772 Impeller bar installation and repositioning means for impact crushers having open type rotors 1991-04-09
5004169 Impeller bar assembly with adjustable locking mechanism 1991-04-02
4925114 "Impeller bar installation and repositioning means for impact crushers having ""open"" type rotors" 1990-05-15