Air Curtain

PAT. NO. Title
51 5,113,749 Air curtain producing an outward ramping effect for use with an access way or enclosure
52 4,989,501 Method and apparatus for generating an air curtain with heated air
53 4,979,432 Air diffuser with rotatably adjustable louvres, especially for an air curtain generator
54 4,946,718 Air curtain housing for conveyor mechanism
55 4,936,824 Infant incubator with air curtain
56 4,776,286 Portable air curtain blower
57 4,756,258 Air curtain incinerator
58 4,739,712 Air curtain apparatus for pit burning
59 4,693,588 Thermal air curtain for a copying/printing machine
60 4,606,259 Air curtain
61 4,361,137 Incubator having warm air curtain across access opening
62 4,241,671 Air-curtain incinerator for energetic materials
63 4,161,916 Incineration apparatus with adjustable air curtain
64 4,118,210 Method and apparatus for manufacturing glass fibers using deflectable air curtain
65 4,083,362 Kitchen ventilator having a downwardly directed air curtain
66 4,060,874 Apparatus for removing dust having device for producing air curtain
67 4,051,893 Air curtain-projecting ventilator
68 4,045,997 Air curtain device
69 4,003,138 Air curtain for clothes dryer
Air Curtain
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Copyright 2005-2025 Free-Patent-Search.net