SANDPUMP
Filed: April 20, 1984
A DENSE PHASE PNEUMATIC CONVEYOR FOR CONVEYING DRY SAND FROM A RECEPTACLE THROUGH A PIPE TO A POINT OF USE
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73476493
DOME VALVE
Filed: April 23, 1984
AUTOMATIC VALVES FOR CONTROLLING WET ANDDRY GRANULAR MATERIAL
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73476824
CONTROLVEYOR
Filed: April 23, 1984
A PNEUMATIC CONVEYOR FOR CONVEYING, FEEDING, HANDLING AND METERING MATERIAL
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73476827
UNBAGGER
Filed: July 10, 1984
Machine for Opening Bags in a Dustfree Manner
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73489175
INJECTOVEYOR
Filed: July 10, 1984
A PNEUMATIC CONVEYOR FOR SUPPLYING SUPPLEMENTARY FUELS OR ADDITIVES TO A CUPOLA
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73489249
COIN-MOBILE
Filed: July 10, 1984
MOBILE INJECTORS FOR INNOCULATING MOLTEN METAL WITH ADDITIVES EITHER ON THE SURFACE OR UNDER THE SURFACE OF THE METAL IN…
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 73489274
MACAWBER
Filed: March 26, 1990
MANUFACTURE OF PNEUMATIC CONVEYING EQUIPMENT TO ORDER AND/OR SPECIFICATION OF OTHERS
Owned by: MACAWBER ENGINEERING, INC.
Serial Number: 74042935
