US 11,918,946 B2
Portable air filtration system
Eric Edgar Burkhart-Day, Santa Monica, CA (US); Navaratan Kanna Sunkara, Marina del Rey, CA (US); and Sivaketan Ramu Sunkara, Marina del Rey, CA (US)
Assigned to Re-U-Zip, LLC, Santa Monica, CA (US)
Filed by Re-U-Zip, LLC, Santa Monica, CA (US)
Filed on Sep. 21, 2020, as Appl. No. 17/027,084.
Claims priority of provisional application 62/902,431, filed on Sep. 19, 2019.
Prior Publication US 2021/0086120 A1, Mar. 25, 2021
Int. Cl. B01D 46/00 (2022.01); B01D 46/42 (2006.01); B01D 46/12 (2022.01)
CPC B01D 46/0005 (2013.01) [B01D 46/12 (2013.01); B01D 46/4272 (2013.01); B01D 2265/023 (2013.01); B01D 2265/04 (2013.01); B01D 2271/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A portable air filtration system, comprising:
a filtration unit comprising a housing, a primary filter, and a first connector, wherein the housing comprises a first end, a first opening at the first end, a second end, and a second opening at the second end, wherein the primary filter is connected to the housing such that an airflow entering the housing passes through the primary filter;
a secondary filter removably connected to the first connector of the filtration unit; and
a second connector adapted to secure the filtration unit against a barrier, the second connector comprising a first side and a second side, wherein the first side of the second connector is removably connected to the first connector, wherein the second side of the second connector is adapted to be connected to the barrier; and,
wherein the first connector is comprised of a fastener, wherein the first side of the second connector is comprised of a fastener, wherein the fastener of the first connector and the fastener of the second connector are each comprised of a hook-and-loop fastener.