4. Refrigeration
  5. Using electrical or magnetic effect
  6. Thermoelectric; e.g., peltier effect

Richard R. Willis

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Adsorptive method for determining a surface property of a solid

Chemistry: analytical and immunological testing – Optical result
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Desorptive method for determining a surface property of a solid

Chemistry: analytical and immunological testing – Process or composition for determination of physical state... – Surface area – porosity – imperfection – or alteration
Reexamination Certificate

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Heat activated membrane introduction apparatus and method...

Chemistry: analytical and immunological testing – Automated chemical analysis
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Heat activated membrane introduction apparatus and method...

Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
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Method for treating a liquid stream contaminated with an...

Liquid purification or separation – Processes – Ion exchange or selective sorption
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