| Class 136 | BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC |
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![[List of Pre Grant Publications for class 136 subclass 200]](../as.gif) | ![[List of Patents for class 136 subclass 200]](../ps.gif) | 200 | THERMOELECTRIC |
| | 201 |  Processes |
| | 202 | Nuclear energy type |
| | 203 | Peltier effect device |
| | 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 |
| | 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 |
| | 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 |
| | 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 |
| | 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 |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 290 | TESTING, CALIBRATING, TREATING (E.G., AGING, ETC.) |
| | 291 | APPLICATIONS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |