Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/326
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Foot valve extraction from top of enclosure
Description: Devices comprising a container having an access opening at the top and a valve located in a part of the container remote from the access opening usually at the bottom, with means for disassembling and removing the valve and/or its seat through the access opening.

Patents under this class:

Patent Number Title Of Patent Date Issued
4512360 Fabricated ball valve Apr. 23, 1985
4333552 Hydraulic pressure relief valve Jun. 8, 1982

  Recently Added Patents
Method and structure for image local contrast enhancement
Nonvolatile memory device
Personalized dashboard architecture for displaying data display applications
Light emitting device and light emitting device package
Temporary protective cover for an exposed junction box
Cylindrical lithium secondary battery comprising a contoured center pin
Detachably integrated battery charger for mobile cell phones and like devices
  Randomly Featured Patents
Method and apparatus for background correction in photoluminescent analysis
Digital camera
Transverse flow diagnostic kit
Method for connecting a head interconnect circuit with alignment finger to a printed circuit
Radio network controller and mobile communication control method
Partial to full thickness suture device & method for endoscopic surgeries
Thin film transistor and method for manufacturing the same
Monoclonal antibodies and cell surface antigens for the detection and treatment of small cell lung cancer (SCLS)
Gene amplification assay for detecting tumor promoters
Continuous method and apparatus for separating polymer from a high pressure carbon dioxide fluid stream