US 12,339,633 B2
Method and apparatus for ensuring air quality in a building, including method and apparatus for controlling a working device using a handheld unit having scanning, networking, display and input capability
Stephan Hauville, Byfield, MA (US); and Antoine Hauville, La Londe (FR)
Assigned to FIPAK Research And Development Company, Rowley, MA (US)
Filed by FIPAK Research And Development Company, Rowley, MA (US)
Filed on Jul. 18, 2023, as Appl. No. 18/223,127.
Application 18/223,127 is a continuation of application No. 17/474,445, filed on Sep. 14, 2021, granted, now 11,703,816.
Application 17/474,445 is a continuation of application No. 16/736,104, filed on Jan. 7, 2020, granted, now 11,119,460, issued on Sep. 14, 2021.
Application 16/736,104 is a continuation of application No. 15/640,725, filed on Jul. 3, 2017, granted, now 10,528,014, issued on Jan. 7, 2020.
Application 15/640,725 is a continuation of application No. 14/635,206, filed on Mar. 2, 2015, granted, now 9,696,703, issued on Jul. 4, 2017.
Application 14/635,206 is a continuation in part of application No. 14/281,416, filed on May 19, 2014, granted, now 8,986,427, issued on Mar. 24, 2015.
Claims priority of provisional application 61/946,292, filed on Feb. 28, 2014.
Claims priority of provisional application 61/824,997, filed on May 18, 2013.
Prior Publication US 2024/0192648 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/00 (2022.01); B01D 46/44 (2006.01); B01D 46/46 (2006.01); B08B 15/00 (2006.01); F24F 3/16 (2021.01); F24F 7/06 (2006.01); F24F 11/32 (2018.01); F24F 11/39 (2018.01); F24F 11/52 (2018.01); F24F 11/77 (2018.01); G05B 15/02 (2006.01); H04W 4/70 (2018.01)
CPC G05B 15/02 (2013.01) [B08B 15/00 (2013.01); F24F 3/16 (2013.01); F24F 7/06 (2013.01); F24F 11/77 (2018.01); H04W 4/70 (2018.02); F24F 11/32 (2018.01); F24F 11/39 (2018.01); F24F 11/52 (2018.01); F24F 2221/14 (2013.01); Y02B 30/70 (2013.01); Y10S 55/34 (2013.01)] 24 Claims
OG exemplary drawing
 
1. An air filtration unit for withdrawing air from a room, purifying the withdrawn air, and then returning the purified air back into the room, the air filtration unit comprising:
a housing configured to be mounted to a surface of the room;
an air inlet formed in the housing;
an air outlet formed in the housing;
a passageway extending through said housing and connecting the air inlet to the air outlet;
a filter disposed in the passageway for purifying the air in the passageway;
a suction fan disposed within said passageway for drawing air from the room into the air inlet through the filter and out of the air outlet to the room, whereby to capture at least one substance to the filter; and
at least one of (i) a first sensor for monitoring proper function of at least one of the fan and the filter, and (ii) a second sensor for monitoring the ambient air of the room.