Manual of U.S. Patent Classification
as of June 30, 2000

Class
136
BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC
200		THERMOELECTRIC
201		. Processes
202		. Nuclear energy type
203		. Peltier effect device
204		. . Including additional heat exchange means
205		. Electric power generator
206		. . Solar energy type
207		. . Including an electric heater
208		. . Plural junction concentrically or annularly arranged around source of temperature differential
209		. . . Plural concentrically arranged fluid source conduits
210		. . . . At least one conduit for liquid coolant
211		. . Plural hot or cold junction arranged in a single line
212		. . Plural hot or cold junctions arranged in a single plane
213		. Radiation pyrometer
214		. . Including a ray concentrator (e.g., lens, mirror, etc.)
215		. . . Lens type
216		. . Evacuated
217		. Including a pilot burner
218		. . Having moving fluid (e.g., air, fuel, liquid, etc.) cooling means for cold junction
219		. . Thermocouple extends through fuel supply conduit
220		. . Thermopile-containing
221		. Including means to resiliently press junction element against sensed surface
222		. Including means to standardize nonsensing junction by heating or cooling
223		. Having an evacuated space
224		. Thermopile
225		. . Having strip, film or plate-type thermocouples
226		. . Having wound wire-type thermocouples
227		. . Two or more couples of dissimilar composition
228		. One junction element surrounded by another junction element
229		. Having additional contact means for sensing solid work
230		. Having housing, mounting or support
231		. . Including sample port for sensed material
232		. . Covered and sealed sensor junction
233		. . . Contacting covering over junction (e.g., embedded, coated, etc.)
234		. . . Molten metal immersion type
235		. . Thermocouple leads having disengageable pressure-type electrical connectors
236.1		. Having particular thermoelectric composition
237		. . Having particular bonding material for junction
238		. . Chalcogenide containing (S, O, Te, Se)
239		. . Group IV element containing (C, Si, Ti, Ge, Zr, Sn, Hf, Pb)
240		. . Group V metal containing (V, As, Nb, Sb, Ta, Bi)
241		. . Group IB metal containing (Cu, Ag, Au)
242		. Adjuncts
243		PHOTOELECTRIC
244		. Panel or array
245		. . Lightweight and collapsible or foldable
246		. . With concentrator, orientator, reflector, or cooling means
247		. . . Fluorescent concentrator
248		. . . Hybrid conversion system
249		. . Monolithic semiconductor
250		. . Particulate or spherical semiconductor
251		. . Encapsulated or with housing
252		. Cells
253		. . Radioactive, ionic, or thermo photo
254		. . Photoemissive, capacitive, magnetic, or ferroelectric
255		. . Schottky, graded doping, plural junction or special junction geometry
256		. . Contact, coating, or surface geometry
257		. . . Luminescent layer or optical filter
258		. . Polycrystalline or amorphous semiconductor
259		. . With concentrator, housing, cooling means, or encapsulated
260		. . Cadmium containing
261		. . Silicon or germanium containing
262		. . Gallium containing
263		. . Organic active material containing
264		. . Selenium or tellurium containing
265		. . Copper, lead, or zinc containing
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		CROSS-REFERENCE ART COLLECTIONS
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290		TESTING, CALIBRATING, TREATING (E.G., AGING, ETC.)
291		APPLICATIONS
292		. Space - satellite
293		. Circuits

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Last Modified: 6 October 2000