1
James E Fries: Solar lighting system. Edward A Sokolski, October 27, 1981: US04297000 (82 worldwide citation)

Light energy from the sun is directed by a solar collector device onto the end of a bundle of optical fibers. Means which may comprise a tracking system is provided to maintain the collector device directed toward the sun throughout the day so that a maximum amount of light energy is collected there ...


2
James E Fries: Vapor buoyancy engine. Edward A Sokolski, April 8, 1980: US04196590 (26 worldwide citation)

A wheel having a plurality of vanes which extend centrally out to the periphery thereof, is rotatably mounted on the walls of a main compartment. A first liquid is contained within this main compartment. A second liquid having a substantially lower boiling temperature than the first is contained wit ...


3
James E Fries: Focusing solar heat collector. Lyon & Lyon, April 20, 1982: US04325359 (11 worldwide citation)

A focusing solar heat collector comprises a light reflective corrugated base surface, a plurality of spaced apart, light-transmitting conduits positioned in the corrugations of the reflective surface so that light reflected by the reflective surface is focused on the conduits, and an organic black l ...


4
Nathan Lewin, James E Fries, C Steven Richards: Radioassay of vitamin B-12 employing bentonite. Bio Rad Laboratories, Townsend and Townsend, February 10, 1976: US03937799 (10 worldwide citation)

Radioassay for vitamin B-12 using the unknown quantity of non-radioactive vitamin B-12 released from serum mixed with the radioactivity of a known quantity of radioactive vitamin B-12 tracer. A solution of intrinsic factor having a binding capacity less than the quantity of serum vitamin B-12 and ra ...


5
James E Fries: Skating sails. Edward A Sokolski, January 19, 1982: US04311324 (9 worldwide citation)

A sail device for use in propelling a roller skater, ice skater or the like employs a balancing pole from which the sail material is suspended. The sail may be formed in two sections which come together near the center of the pole or may be formed in a single section with cut-outs near the center th ...



Click the thumbnails below to visualize the patent trend.