US 12,070,171 B2
Extraction cleaner
Lee M. Cottrell, Edenbridge (GB); Daniel Innes, Houghton Regis (GB); Jordan Ridgley, High Wycombe (GB); Philippa Copeland, Hayling Island (GB); Mingliang Qin, Suzhou (CN); Xuemei Liu, Suzhou (CN); Ying Dong, Suzhou (CN); Bin Yao, Suzhou (CN); Cong Su, Suzhou (CN); Dawei Liu, Suzhou (CN); Xiang Zhou, Suzhou (CN); Heliang Chen, Suzhou (CN); and Richard Dahlgren, Plymouth, MA (US)
Assigned to SharkNinja Operating LLC, Needham, MA (US)
Filed by SHARKNINJA OPERATING LLC, Needham, MA (US)
Filed on Jun. 8, 2023, as Appl. No. 18/207,480.
Application 18/207,480 is a continuation of application No. PCT/CN2023/083672, filed on Mar. 24, 2023.
Claims priority of provisional application 63/440,254, filed on Jan. 20, 2023.
Prior Publication US 2024/0245278 A1, Jul. 25, 2024
Int. Cl. A47L 11/40 (2006.01); A47L 11/30 (2006.01); A47L 11/34 (2006.01)
CPC A47L 11/4088 (2013.01) [A47L 11/30 (2013.01); A47L 11/34 (2013.01); A47L 11/4019 (2013.01); A47L 11/4025 (2013.01); A47L 11/4044 (2013.01); A47L 11/4075 (2013.01); A47L 11/4083 (2013.01); A47L 11/4094 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An extraction cleaner comprising:
a cleaner body including a pump and a suction motor;
a flexible hose including a fluid delivery pathway fluidly coupled to the pump and a recovery pathway fluidly coupled to the suction motor;
a supply tank configured to be removably coupled to the cleaner body and configured to receive a first cleaning fluid, the supply tank being configured to be fluidly coupled to the fluid delivery pathway;
an additive tank configured to receive a second cleaning fluid and configured to be fluidly coupled to the fluid delivery pathway;
a recovery tank configured to be removably coupled to the cleaner body and configured to be fluidly coupled to the recovery pathway; and
a cleaning tool including:
a tool body having a fluid applicator, a suction inlet, and a body agitator, the fluid applicator is configured to be selectively fluidly coupled to the fluid delivery pathway to deliver one of the first cleaning fluid or a mixture of the first cleaning fluid and the second cleaning fluid to a surface to be cleaned; and
a cleaning assembly removably coupled to the tool body and fluidly coupled to the suction inlet and configured to extract at least a portion of the delivered first cleaning fluid or at least a portion of the delivered mixture from the surface to be cleaned.