The patents and their transcriptions, four forums, the bench notes and the glossary — one
index, ranked together, so a claim in a patent and the thread arguing about it come back side
by side.
Cited prior art · Stephen F. Skala · United States · 1981
circuits according to the fluid is based on measurements over a period of several invention. m Page 5 FIG. 2 is a diagrammatic drawing of the preferred The preferred thermal exchange fluid
Cited prior art · Stephen F. Skala · United States · 1983
the hot mains 63 through selector valves 65 the motor of pump 77 and to the operator of selector 71A and 71B which are interconnected to be in the same valves 76A&B