Wells – With eduction pump or plunger – Receptacles
Reexamination Certificate
2006-07-25
2006-07-25
Bagnell, David (Department: 3672)
Wells
With eduction pump or plunger
Receptacles
C222S356000, C222S457000, C137S205000
Reexamination Certificate
active
07080686
ABSTRACT:
Provided are methods and apparatuses for extracting, transporting and/or releasing various kinds of liquid and semi-liquid materials. The materials may have very high viscosity and may include solids. Generally speaking, the apparatus includes a container, a gateway that functions as a valve without moving parts, and a means for controlling air pressure within the container. In addition, the apparatus may include flexible hoses and/or a separator for separating the solids in the material from the liquids. Applications include industrial and manufacturing processes, construction, dredging, remediation, laboratory, and home-based uses. When used in wells, the invention can bail water, oil, and sediment (cleanout operations). The tools according to the present invention are scalable to nearly any size.
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Bagnell David
Mitchell Silberberg & Knupp LLP
Stephenson Daniel P
LandOfFree
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