THROWAY
Filed: July 23, 1948
MECHANICAL VISCOUS-TYPE VENTILATING AIR FILTERS OF THE DISPOSABLE TYPE WHEREIN THE ENTIRE FILTER IS DISCARDED AFTER USE…
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 71561999
AAF
Filed: July 23, 1948
(1) MECHANICAL DRY-TYPE DUST ARRESTORS OR COLLECTORS OF THE VIBRATING POCKET TYPE USING AIR POROUS SHEET-LIKE FILTER MEDIA…
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 71562001
MULTI-DUTY
Filed: July 23, 1948
MECHANICAL VISCOUS-TYPE VENTILATING AIR FILTERS OF THE AUTOMATIC SELF-CLEANING TYPE HAVING A MOVABLE VISCOUS IMPINGEMENT…
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 71562009
ELECTRO-KLEAN
Filed: July 23, 1948
ELECTRICAL VENTILATING AIR CLEANERS OR PRECIPITATORS OF THE DOMESTIC HOUSEHOLD TYPE HAVING AN AIR POROUS SHEET-LIKE DIELECTRIC…
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 71562013
POWERS
Filed: July 23, 1948
FLUID MIXING VALVES; AIR MIXING VALVES; PRESSURE REGULATORS AND REDUCING VALVES; SELF-CLEANING FLUID STRAINERS; STEAM TRAPS…
Owned by: LANDIS & GYR POWERS, INC.
Serial Number: 71562084
