|7178357||Portable air conditioning apparatus|
A portable cooling or heating system suitable for use on a vehicle such as a car, plane or boat, that does not have its own air conditioning system. The system is intended to be combined with a portable cooler chest and includes an electric fan unit that can be powe...
|4315579||Venting and filtering mechanism for milk tank vent|
A venting and filtering system for minimizing pressure differentials between the interior and exterior of a liquid storage tank while precluding ingress of contaminants into such tank. More specifically, a closure assembly for closing the access manhole i...