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Class D23/237 - Check


Subclass of Class D23 - Environmental heating and cooling; fluid handling and sanitary equipment
No. of patents: 10
Last issue date: 09/06/2011


NumberTitleIssue Date
D644717Plumbing fitting
09/06/2011
D641832Slider valve fitment
07/19/2011
D625390Slide valve
10/12/2010
D624157Minimum bleed check valve
09/21/2010
D623723Reduced bleed check valve
09/14/2010
D619219Dual port slide valve
07/06/2010
D618763Slider valve fitment
06/29/2010
7331949Urinary catheter with check valve
The present invention provides a novel construction for a catheter that includes backflow prevention in the form of a check valve, which keeps the flow of drained fluid material from reentering the patient. The catheter construction of the present invention provides... 		02/19/2008
7322496Brick body for rotary nozzle
In a rotary nozzle brick body formed into a substantially egg-like shape in it's plan view, the present invention secures a contact area of a nozzle portion and improves a configuration factor which considerably affecting the durability of the body. A rotary nozzle ... 		01/29/2008
D531697Vacuum breaker
11/07/2006
 
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