Filing Date: 01/24/1980 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: 175/337 Other Classes: 175/227, 384/93 International Classes: E21B10/22;E21B10/24;E21B10/25;F16C33/66; (IPC1-7): E21B10/22 ...
Adams, Douglas (West Orange, NJ) Application Number: 06/801353 Publication Date: 04/19/1988 Filing Date: 11/25/1985 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: ...
Publication Date: 12/30/1986 Filing Date: 03/10/1986 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: 81/470 Other Classes: 81/469, 81/472, 81/473 International Classes: ...
Michael, David J. (White Oak Boro, PA) Application Number: 06/532868 Publication Date: 03/19/1985 Filing Date: 09/16/1983 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: ...
Publication Date: 09/07/1999 Filing Date: 10/11/1997 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: 251/181 Other Classes: 251/214 International Classes: F16K5/04; (IPC1-7): F16K5/18 ...
Publication Date: 05/14/1996 Filing Date: 05/18/1994 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries Inc. (Dallas, TX) Primary Class: 137/478 Other Classes: 137/476 International Classes: F16K17/04;F16K17/08; (IPC1-7): F16K17/08 ...
Publication Date: 01/24/1984 Filing Date: 11/20/1981 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: 60/605.2 Other Classes: 60/606, 123/568.12 International Classes: ...
Inventors: Stratienko, Andrew (Philadelphia, PA) Application Number: 05/784391 Publication Date: 12/19/1978 Filing Date: 04/04/1977 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) ...
Publication Date: 05/07/1991 Filing Date: 05/02/1990 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: 137/559 Other Classes: 116/273, 137/599.01, 222/40 International Classes: ...
Merron, Thomas S. (Marion, OH) Application Number: 06/107570 Publication Date: 12/29/1981 Filing Date: 12/27/1979 Export Citation: Click for automatic bibliography generation Assignee: Dresser Industries, Inc. (Dallas, TX) Primary Class: ...