Oil skimmer and method of operating same

Liquid purification or separation – Processes – Separating

Reexamination Certificate

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C210S242300, C210S923000

Reexamination Certificate

active

11286139

ABSTRACT:
A skimmer used to remove both heavy and light oil from a body of water or for the removal of either light or heavy oil and a method of operation of the skimmer. The heavier oil is removed from a first location on a rotating member and the lighter oil is removed from a second location on the rotating member. The oil removed at both locations is collected at a single location and a pump removes the oil from the skimmer.

REFERENCES:
patent: 3426902 (1969-02-01), Bauer et al.
patent: 3539508 (1970-11-01), Bulkley et al.
patent: 3612277 (1971-10-01), Van Stavern et al.
patent: 3617555 (1971-11-01), Ginsburgh et al.
patent: 3670896 (1972-06-01), Hale et al.
patent: 4061569 (1977-12-01), Bennett et al.
patent: 4363735 (1982-12-01), Hook
patent: 4368122 (1983-01-01), Ravagnan
patent: 4514299 (1985-04-01), Ayroldi
patent: 5085770 (1992-02-01), Eberhardt
patent: 5173182 (1992-12-01), Debellian

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