David A. Ostergaard

Person

Cedar Rapids, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Baffle assembly for a sealed shaft on a vibratory apparatus
- Patent number 6,918,492
- Issue date Jul 19, 2005
- David A. Ostergaard
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Jaw for a jaw crusher
- Patent number 6,641,068
- Issue date Nov 4, 2003
- Cedarapids Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Wheel case for a vibratory apparatus
- Patent number 6,347,708
- Issue date Feb 19, 2002
- Cedarapids Inc.
- David A. Ostergaard
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Lubricating system for a vibratory apparatus
- Patent number 6,161,650
- Issue date Dec 19, 2000
- Cedarapids Inc.
- David A. Ostergaard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for securing the stationary jaw of a jaw crusher
- Patent number 6,155,507
- Issue date Dec 5, 2000
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Double wedge key plates for a jaw crusher
- Patent number 6,126,101
- Issue date Oct 3, 2000
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Gyratory crusher having tramp iron relief system with an annular hy...
- Patent number 5,971,306
- Issue date Oct 26, 1999
- Cedarapids, Inc.
- William A. Ganser
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Gyratory crusher having self-contained lubrication system
- Patent number 5,944,265
- Issue date Aug 31, 1999
- Cedarapids, Inc.
- William A. Ganser
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Gyratory crusher having tramp iron relief system
- Patent number 5,875,981
- Issue date Mar 2, 1999
- Cedarapids, Inc.
- William A. Ganser
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Gyratory crusher having corrugation-like-seal
- Patent number 5,803,382
- Issue date Sep 8, 1998
- Cedarapids, Inc.
- William A. Ganser
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Gyratory crusher having thermal relief system
- Patent number 5,799,886
- Issue date Sep 1, 1998
- Cedarapids, Inc.
- Joseph E. Musil
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Method of locking an impeller bar against a seat
- Patent number 5,111,569
- Issue date May 12, 1992
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Impeller bar installation and repositioning means for impact crushe...
- Patent number 5,005,772
- Issue date Apr 9, 1991
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Impeller bar assembly with adjustable locking mechanism
- Patent number 5,004,169
- Issue date Apr 2, 1991
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Impeller bar installation and repositioning means for impact crushe...
- Patent number 4,925,114
- Issue date May 15, 1990
- Cedarapids, Inc.
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
Jaw for a jaw crusher
- Publication number 20030042345
- Publication date Mar 6, 2003
- David A. Ostergaard
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Baffle assembly for a sealed shaft on a vibratory apparatus
- Publication number 20020053534
- Publication date May 9, 2002
- David A. Ostergaard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

David A. Ostergaard

Person

Patents Grantslast 30 patents

Baffle assembly for a sealed shaft on a vibratory apparatus

Jaw for a jaw crusher

Wheel case for a vibratory apparatus

Lubricating system for a vibratory apparatus

Device for securing the stationary jaw of a jaw crusher

Double wedge key plates for a jaw crusher

Gyratory crusher having tramp iron relief system with an annular hy...

Gyratory crusher having self-contained lubrication system

Gyratory crusher having tramp iron relief system

Gyratory crusher having corrugation-like-seal

Gyratory crusher having thermal relief system

Method of locking an impeller bar against a seat

Impeller bar installation and repositioning means for impact crushe...

Impeller bar assembly with adjustable locking mechanism

Impeller bar installation and repositioning means for impact crushe...

Patents Applicationslast 30 patents

Jaw for a jaw crusher

Baffle assembly for a sealed shaft on a vibratory apparatus