Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
S & B Engineers Patents
Assignee:
S & B Engineers
Address:
Houston, TX
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4576235 Downhole relief valve March 18, 1986
A downhole relief valve connected to a tubing string in a producing well above the packer for controlling the well to prevent excess pressure built up in the annulus and casing damage following a tubing rupture at a point where the flowbore pressure exceeds the annulus pressure. The valv

 
 
  Recently Added Patents
DC/DC converter, power supply circuit, and semiconductor device
Controller for soldering iron
Knee guard
Coordinate measuring device and method for measuring with a coordinate measuring device
Method and device for managing devices in device management system
Switchable memory diodes based on ferroelectric/conjugated polymer heterostructures and/or their composites
Data output apparatus and data output method
  Randomly Featured Patents
Method for producing motion and force by controlling the twin structure orientation of a material and its uses
Galenic form for oral administration and its method of preparation by lyophilization of an oil-in-water emulsion
Calf exercise machine
Strainer frame for mounting art canvas
Organic functional device and manufacturing method therefor
Pharmaceutical compositions comprising cyclosporins
Faucet
Method of improving quality of surface of solid particles and apparatus thereof
Marine power generator deployment and retrieval system
Laser (230NM) ablatable compositions of electrically conducting polymers made with a perfluoropolymeric acid applications thereof