U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Cooking oil filtration device having locking means and peripheral channel means

Patent 4959144 Issued on September 25, 1990. Estimated Expiration Date: Icon_subject January 30, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2477404

3279605

3327859

3356218

3707907

3849312

3880757

Electrically conducting filter media for fluids
Patent #: 3933643
Issued on: 01/20/1976
Inventor: Colvin ,   et al.

Cooking oil recovery system
Patent #: 3968741
Issued on: 07/13/1976
Inventor: Hunt

Aquarium water treatment apparatus
Patent #: 3983843
Issued on: 10/05/1976
Inventor: Johnson

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Inventors

Assignee

Application

No. 303854 filed on 01/30/1989

US Classes:

210/232, WITH REPAIR OR ASSEMBLING MEANS210/257.1, With storage unit210/502.1, Sorptive component containing210/503, Diverse granular or fibrous210/679, Utilizing exchange or sorbent material associated with inert material210/805And recirculating liquid

Examiners

Primary: Jones, W. Gary
Assistant: Nessler, Cynthia L.

Attorney, Agent or Firm

International Class

B01D 035/30

Abstract

A method of filtering hot cooking oil including passing the oil through a screen to remove particulate matter and then pumping the oil under a relatively low positive pressure through a filter pad of uniform thickness and porosity composed in part of fibrous material and possibly other elements such as activated carbon and silica bound by a resin binder. Equipment for filtering cooking oil including a reservoir for storing strained oil, pump means for drawing oil from the reservoir and passing it under relatively low pressure through a filter pad of uniform thickness and porosity composed at least of fibrous material and possibly other elements such as activated carbon and silica bound by a resin binder and sealed in the base of a pressure chamber.

Other References

  • Publication of Bunge Edible Oil Corporation (3 pages
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