US 11,717,128 B2
Surface cleaning apparatus
Wayne Ernest Conrad, Hampton (CA); Daniel Innes, West Roxbury, MA (US); and Jason Thorne, Dover, MA (US)
Assigned to Omachron Intellectual Property Inc., Hampton (CA)
Filed by Omachron Intellectual Property Inc., Hampton (CA)
Filed on Nov. 28, 2022, as Appl. No. 17/994,646.
Application 17/994,646 is a continuation of application No. 15/852,186, filed on Dec. 22, 2017, granted, now 11,540,692.
Claims priority of provisional application 62/559,151, filed on Sep. 15, 2017.
Prior Publication US 2023/0165426 A1, Jun. 1, 2023
Int. Cl. A47L 11/40 (2006.01); A47L 5/22 (2006.01); A47L 5/24 (2006.01); A47L 5/30 (2006.01); A47L 5/32 (2006.01); A47L 5/36 (2006.01); A47L 7/00 (2006.01); A47L 9/12 (2006.01); A47L 9/16 (2006.01); A47L 9/24 (2006.01); A47L 7/02 (2006.01); A47L 11/30 (2006.01); A47L 5/38 (2006.01); B01D 29/35 (2006.01); B01D 36/00 (2006.01); B04C 3/06 (2006.01); B01D 45/16 (2006.01); A47L 11/34 (2006.01); A47L 9/28 (2006.01); A47L 9/18 (2006.01); A47L 11/20 (2006.01); B04C 9/00 (2006.01); A47L 9/06 (2006.01); A47L 11/202 (2006.01); B01D 50/20 (2022.01); B01D 45/12 (2006.01); B04C 3/00 (2006.01); B01D 45/08 (2006.01)
CPC A47L 11/4088 (2013.01) [A47L 5/225 (2013.01); A47L 5/24 (2013.01); A47L 5/30 (2013.01); A47L 5/32 (2013.01); A47L 5/36 (2013.01); A47L 5/38 (2013.01); A47L 7/0004 (2013.01); A47L 7/009 (2013.01); A47L 7/0009 (2013.01); A47L 7/0014 (2013.01); A47L 7/0023 (2013.01); A47L 7/0028 (2013.01); A47L 7/0038 (2013.01); A47L 7/02 (2013.01); A47L 9/0633 (2013.01); A47L 9/122 (2013.01); A47L 9/127 (2013.01); A47L 9/165 (2013.01); A47L 9/1608 (2013.01); A47L 9/1625 (2013.01); A47L 9/1641 (2013.01); A47L 9/1666 (2013.01); A47L 9/1683 (2013.01); A47L 9/18 (2013.01); A47L 9/242 (2013.01); A47L 9/248 (2013.01); A47L 9/2826 (2013.01); A47L 9/2847 (2013.01); A47L 9/2857 (2013.01); A47L 11/201 (2013.01); A47L 11/202 (2013.01); A47L 11/30 (2013.01); A47L 11/302 (2013.01); A47L 11/34 (2013.01); A47L 11/4005 (2013.01); A47L 11/4013 (2013.01); A47L 11/4016 (2013.01); A47L 11/4027 (2013.01); A47L 11/4036 (2013.01); A47L 11/4041 (2013.01); A47L 11/4044 (2013.01); A47L 11/4083 (2013.01); A47L 11/4091 (2013.01); A47L 11/4094 (2013.01); B01D 29/35 (2013.01); B01D 36/003 (2013.01); B01D 45/16 (2013.01); B04C 3/06 (2013.01); B04C 9/00 (2013.01); B01D 45/08 (2013.01); B01D 45/12 (2013.01); B01D 50/20 (2022.01); B01D 2279/55 (2013.01); B04C 2003/006 (2013.01); B04C 2009/002 (2013.01); B04C 2009/008 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A surface cleaning apparatus comprising:
(a) an air flow path extending from a dirty fluid inlet to a clean air outlet;
(b) a first treatment stage;
(c) a second treatment stage positioned in the air flow path downstream from the first treatment stage, the second stage having an inlet passage, the second treatment stage comprising a plurality of cyclones, each cyclone having a plurality of air inlets, an air outlet and a dirt outlet, the plurality of air inlets are downstream from the inlet passage; and
(d) a suction motor positioned in the air flow path downstream from the second treatment stage,
wherein, when the surface cleaning apparatus is used to clean a surface, the plurality of inlets and the air outlets of the cyclones are at a lower end of the cyclone and the dirt outlets are at an upper end of the cyclones.