Follow us on Twitter
twitter icon@FreshPatents

Browse patents:
Next
Prev

Leak-preventing device for a pump




Title: Leak-preventing device for a pump.
Abstract: Disclosed is a pump with a shell, an air-pumping device, a cover and a leak-preventing device. The air-pumping device is used to pump air out of the shell and therefore pump liquid into the shell. The cover includes an opening and channel defined therein. The shell is in communication with the exterior via the opening and in communication with the cylinder via the channel as the cover is attached to the shell and the cylinder. The leak-preventing device is connected to the cover. The channel is normally released from the leak-preventing device as the pump is located in an upright position. The channel is blocked by the leak-preventing device as the pump is located in an inverted position. ...


USPTO Applicaton #: #20120301339
Inventors: Tien-tsai Tseng


The Patent Description & Claims data below is from USPTO Patent Application 20120301339, Leak-preventing device for a pump.




← Previous       Next →
Advertise on FreshPatents.com - Rates & Info


You can also Monitor Keywords and Search for tracking patents relating to this Leak-preventing device for a pump patent application.

###

Keyword Monitor How KEYWORD MONITOR works... a FREE service from FreshPatents
1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored.
3. Each week you receive an email with patent applications related to your keywords.  
Start now! - Receive info on patent apps like Leak-preventing device for a pump or other areas of interest.
###


Previous Patent Application:
Compressing diaphragm pump having abnormal pressure preventing features for spray use
Next Patent Application:
Electromagnetic flow rate control valve and high-pressure fuel supply pump using the same
Industry Class:
Pumps
Thank you for viewing the Leak-preventing device for a pump patent info.
- - -

Results in 0.07234 seconds


Other interesting Freshpatents.com categories:
QUALCOMM , Monsanto , Yahoo , Corning ,

###

Data source: patent applications published in the public domain by the United States Patent and Trademark Office (USPTO). Information published here is for research/educational purposes only. FreshPatents is not affiliated with the USPTO, assignee companies, inventors, law firms or other assignees. Patent applications, documents and images may contain trademarks of the respective companies/authors. FreshPatents is not responsible for the accuracy, validity or otherwise contents of these public document patent application filings. When possible a complete PDF is provided, however, in some cases the presented document/images is an abstract or sampling of the full patent application for display purposes. FreshPatents.com Terms/Support
-g2-0.2802

66.232.115.224
Browse patents:
Next
Prev

stats Patent Info
Application #
US 20120301339 A1
Publish Date
11/29/2012
Document #
13115655
File Date
05/25/2011
USPTO Class
417490
Other USPTO Classes
International Class
04B39/10
Drawings
10




Follow us on Twitter
twitter icon@FreshPatents



Pumps   Expansible Chamber Type   Pumping Member Position Controlled Port  

Browse patents:
Next
Prev
20121129|20120301339|leak-preventing device for a pump|Disclosed is a pump with a shell, an air-pumping device, a cover and a leak-preventing device. The air-pumping device is used to pump air out of the shell and therefore pump liquid into the shell. The cover includes an opening and channel defined therein. The shell is in communication with |
';