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Class Information
Number: 136/223
Name: Batteries: thermoelectric and photoelectric > Thermoelectric > Having an evacuated space
Description: Apparatus which includes a sealed space which is at substantially less than atmospheric pressure.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6255579	Method and apparatus for utilizing heat dissipated from an electrical device	Jul. 3, 2001
6084173	Method and apparatus for the generation of charged carriers in semiconductor devices	Jul. 4, 2000
5949176	Electron heat converter	Sep. 7, 1999
5712886	Device for detecting and monitoring perforation of the bottom head of the vessel of a nuclear reactor	Jan. 27, 1998
4168716	Solar-powered thermionic-photoelectric laser	Sep. 25, 1979
3977909	Solar heat energy conversion system	Aug. 31, 1976
3957541	Implantable thermoelectric generator having thermopile compression wires	May. 18, 1976
3945854	Long-life thermoelectric generator	Mar. 23, 1976