-
Vent assembly
-
Patent number 11,993,454
-
Issue date May 28, 2024
-
Elmac Technologies Limited
-
Lewis Bingham
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
-
-
Kitchen ventilation system
-
Patent number 10,994,163
-
Issue date May 4, 2021
-
Andreas Roussos
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
-
-
-
-
-
-
-
-
-
-
Fire preventing duct system
-
Patent number 5,493,820
-
Issue date Feb 27, 1996
-
Michael A. Joseph
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
-
Chimney by-pass
-
Patent number 4,821,473
-
Issue date Apr 18, 1989
-
Ernest E. Cowell
-
E04 - BUILDING
-
-
3616744
-
Patent number 3,616,744
-
Issue date Nov 2, 1971
-
F24 - HEATING RANGES VENTILATING