Class 417/119 - Motive fluid pumped by contact with a liquid

Subclass of Class 417 - Pumps
Definition: Apparatus having a pump means to supply or exhaust the gas,
No. of patents: 3
Last issue date: 05/28/2002

Number	Title	Issue Date
6393839	Pressurized medium delivery device Pressurized medium delivery device with a pump, a suction pipe, at least one pressure pipe and a pressurized medium supply volume in a pressurized medium supply container....	05/28/2002
6371145	System and method for compressing a fluid A fluid pressurizing system and method according to which a fluid at a low pressure is compressed by fluid to increase its pressure to enable it to be discharged from the system and to an external delivery point....	04/16/2002
4120616	Vacuum cleaner-blower assembly with sound absorbing arrangement A quiet and powerful vacuum cleaner-blower assembly comprises an improved quiet operating electric motor coupled to and driving an improved quiet operating blower. The motor has improved cooling air flow with cooling air inlet and discharge openings dispo...	10/17/1978

PatentStorm