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Now showing items 1721-1730 of 2207
Micro-heat-pipe catheter
(United States. Patent and Trademark Office, 1993-03-02)
A micro-heat-pipe catheter provides a hyperthermia or hypothermia source for the treatment of cancerous tumors or other diseased tissue. The heat-pipe is about the size of a hypodermic needle and is thermally insulated ...
Method and apparatus for locating physical objects
(United States. Patent and Trademark Office, 1993-01-05)
A system for robot manipulator calibration by locating a physcial object by determining the position of the object relative to a sensor, which is attached to the manipulator. The sensor consists of a support member and at ...
Chimney holder and injection tube mount for use in atomic absorption and plasma spectroscopy
(United States. Patent and Trademark Office, 1993-02-16)
A modified quartz element having plasma and auxiliary gas ports, a upper chimney mount, a unique chimney holder and injection tube mount, and a compression plug is disclosed. The chimney holder and injection tube mount ...
Vapor deposited micro heat pipes
(United States. Patent and Trademark Office, 1993-01-12)
A micro heat pipe, formed in a semiconductor substrate, carries heat from a region of heat flux in the substrate to a region of lower heat flux. The micro heat pipe is formed by cutting a groove into the substrate opposite ...
Process for the preparation of cellulose ether derivatives
(United States. Patent and Trademark Office, 1981-03-03)
There is disclosed an improved process for preparing cellulose ether derivatives which in pertinent part accomplishes this by providing for the uniform distribution of caustic and etherifying reagents over the exposed area ...
Where No Fan Has Gone Before December 1982
(TUCOP Publications, 1981)
Where No Fan Has Gone Before February 1983
(TUCOP Publications, 1983)
Collision performance side impact (automobile penetration guard)
(United States. Patent and Trademark Office, 1998-08-11)
Apparatus and methods are described for preventing the penetration of vehicles by narrow objects such as guardrail ends or portions of a guardrail end treatment during a collision. In one embodiment, portions of an ET-2000 ...