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Class 206/70 - Watch spring


Subclass of Class 206 - Special receptacle or package
Definition: A container for a watch-spring. Commonly a casing encloses
No. of patents: 5
Last issue date: 03/11/2008


NumberTitleIssue Date
7341703Mixed hydrogen generation material
In one aspect, the invention provides a novel quaternary hydrogen storage composition having a hydrogenated state and a dehydrogenated state. Further, the present invention provides methods of storing hydrogen in a hydrogen storage composition, and methods of releas...
03/11/2008
7320726Hydrogen storage apparatus
The present invention provides a hydrogen storage apparatus comprising a hydrogen storage canister defining a longitudinal axis, at least one first partition, and at least one second partition. The at least one first partition is adapted to divide the hydrogen stora...
01/22/2008
7314579Hydrogen generation material
The dispersion of metal-element containing additives with hydrogen storage particles of the family of hydrogen-rich materials, M′xM″yNzHd as specified herein, markedly lowers the temperature at which hydrogen is remove...
01/01/2008
6015041Apparatus and methods for storing and releasing hydrogen
A rechargeable device that stores and discharges hydrogen is described. The device stores hydrogen in a solid form and supplies hydrogen as a gas when needed. The solid storage medium may be metal hydride in a ground particle form that avoids the need for...
01/18/2000
 
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