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David A. Ostergaard — 15 Patents

CECedarapids: 14 patents #2 of 43Top 5%
Cedar Rapids, IA: #110 of 1,358 inventorsTop 9%
Iowa: #914 of 15,303 inventorsTop 6%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
David A. Ostergaard has been granted 15 US patents while listed as an inventor at Cedarapids. The first was granted in 1990 and the most recent in July 2005. David A. Ostergaard ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David A. Ostergaard in Cedar Rapids, IA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

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

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