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Gary R Haefele, Peter A Allen, Gary L Dunkel, Paul C Wegner: Method for recovering oil from an oil-bearing solid material. December 7, 1999: US05998640 (34 worldwide citation)

A method and apparatus for continuously removing oil from oil-bearing solids such as tar sands, vegetables or other solid materials using a solvent is provided. By providing a pressure differential between the exterior and interior of an oil extraction chamber, substantially oil free solids may be r ...


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Glenn R Rink, Robert L Rosania, David R Smith, Thomas C Johnson, Jan R Hegeman, Peter A Allen: Methods for ameliorating oil spills in marine and inland waters. Abtech, Louis J Hoffman, January 26, 1999: US05863440 (30 worldwide citation)

A plurality of water- and oil-porous sacks are partially filled with a number of generally toroidal bodies of a polymer material that entraps oil and including mesh fragments scattered throughout the bodies. Each sack is sewn with a perimeter stiffening ring, to retain a flat profile, and has a nett ...


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Peter A Allen, Robert S Richfield: Greenhouse display bench. Clarence A O Brien, Harvey B Jacobson, October 24, 1978: US04121377 (13 worldwide citation)

Greenhouse plants are displayed on horizontal shelves supported between side rails extending at an angle between vertical support posts, the posts being interconnected in pairs between confronting vertical grooves formed in the posts. Each shelf is assembled from elongated sections held in parallel ...


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Glenn R Rink, James F Morris, Stephen C Stelpstra, Robert L Rosania, Jan R Hegeman, Peter A Allen: Sack-based processes for recovering oil floating on water. AbTech, Louis J Hoffman, June 12, 2007: US07229560 (7 worldwide citation)

One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their longest dimension parallel to an axi ...


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Peter A Allen: Method for removing chemical contaminants from material and apparatus for same. Unique Products, Flehr Hohbach Test Albritton & Herbert, August 8, 1995: US05439597 (6 worldwide citation)

A method for removing petroleum contaminants from larger-size and smaller-size petroleum-bearing earth-like materials using a movable apparatus. The method includes the steps of loading larger-size and smaller-size petroleum-bearing earth-like materials onto the movable apparatus, screening larger-s ...


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Glenn R Rink, James F Morris, Stephen C Stelpstra, Robert L Rosania, Jan R Hegeman, Peter A Allen: Systems for ameliorating aqueous hydrocarbon spills. Abtech, Louis J Hoffman, April 20, 2004: US06723791 (2 worldwide citation)

An oil-sorbent composition of matter has bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM). The SBS, or both materials, may be in the form of multitudes of granules. In certain preferred embodiments, the combination is 10-30% by weight and the SBS is a ...


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Glenn R Rink, James F Morris, Stephen C Stelpstra, Robert L Rosania, Jan R Hegeman, Peter A Allen: Systems for ameliorating aqueous hydrocarbon spills. Louis J Hoffman, Louis J Hoffman PC, November 7, 2002: US20020165318-A1

An oil-sorbent composition of matter has bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM). The SBS, or both materials, may be in the form of multitudes of granules. In certain preferred embodiments, the combination is 10-30% by weight and the SBS is a ...


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Glenn R Rink, James F Morris, Stephen C Stelpstra, Robert L Rosania, Jan R Hegeman, Peter A Allen: Sack-based systems and processes for recovering oil floating on water. Louis J Hoffman PC, July 14, 2005: US20050151289-A1

One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their longest dimension parallel to an axi ...


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