Invention Grant
- Patent Title: Draw back push pump
- Patent Title (中): 抽回推泵
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Application No.: US12805023Application Date: 2010-07-07
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Publication No.: US08360286B2Publication Date: 2013-01-29
- Inventor: Zhenchun (Tony) Shi , Heiner Ophardt , Andrew Jones
- Applicant: Zhenchun (Tony) Shi , Heiner Ophardt , Andrew Jones
- Applicant Address: CA Ontario
- Assignee: Gotohti.com Inc.
- Current Assignee: Gotohti.com Inc.
- Current Assignee Address: CA Ontario
- Agency: Thorpe North & Western LLP
- Priority: CA2672057 20090714
- Main IPC: B65D88/54
- IPC: B65D88/54 ; G01F11/00 ; B65D5/72 ; B65D25/40 ; B65D35/38 ; B67D7/06
Abstract:
A piston pump dispenser having a reciprocating piston pump arrangement which in a dispensing stroke dispenses fluid from an outlet and in a charging stroke draws fluid from a reservoir and also draws back fluid from the outlet.
Public/Granted literature
- US20110014076A1 Draw back push pump Public/Granted day:2011-01-20
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