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Class Information
Number: 505/896
Name: Superconductor technology: apparatus, material, process > Apparatus, per se, device, per se, or process of making or operating same > Refrigeration: (class 62) > Special refrigerant compound
Description: Subject matter wherein a particular unusual material consisting of atoms or ions of two or more different chemical elements in definite proportions and generally having properties unlike its constituent chemical elements is utilized for removing heat.

Patents under this class:

Patent Number Title Of Patent Date Issued
5182914 Rotary dipole active magnetic regenerative refrigerator Feb. 2, 1993
4939976 Electromagnetic ground to orbit propulsion method and operating system for high mass payloads Jul. 10, 1990
4354355 Thallous halide materials for use in cryogenic applications Oct. 19, 1982
4296607 Cryogenic ceramic and apparatus Oct. 27, 1981
4296608 Cryogenic ceramic and apparatus Oct. 27, 1981
4231231 Cryogenic ceramic and apparatus Nov. 4, 1980
4136525 Dielectic refrigerator using orientable defect dipoles Jan. 30, 1979

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