1
Paul C Koehler, Stephen A Geibel, Michael B Whitlock, Reza Hashemi, Christophe A Malbrel: Filter for subterranean wells. PALL Corporation, Leydig Voit & Mayer, September 9, 1997: US05664628 (87 worldwide citation)

A damage-resistant filter for use in subterranean wells has at least one layer of a filter medium, such as a sintered supported porous membrane, coaxially disposed about a perforated support member. The filter may also include a drainage layer disposed between the inner support member and the filter ...


2
Paul C Koehler, Stephen A Geibel, Michael B Whitlock, Reza Hashemi, Christophe A Malbrel: Method of repairing a damaged well. Pall Corporation, Leydig Voit & Mayer, June 8, 1999: US05909773 (36 worldwide citation)

A damage-resistant filter for use in subterranean wells has at least one layer of a filter medium, such as a sintered supported porous membrane, coaxially disposed about a perforated support member. The filter may also include a drainage layer disposed between the inner support member and the filter ...


3
Michael B Whitlock: Filter for subterranean use. Oiltools International, Leydig Voit & Mayer, November 30, 1999: US05992518 (24 worldwide citation)

A filter for subterranean environments includes an inner support member, a filter body containing a filter medium disposed around the inner support member, and at least one end connector connected to a lengthwise end of the filter body and sealed against the inner support member without being welded ...


4
Michael B Whitlock: Filter for subterranean use. Weatherford Lamb, Leydig Voit & Mayer, May 7, 2002: US06382318 (23 worldwide citation)

A filter for subterranean use includes a filter body containing a filter medium, and a restraining member disposed around the filter body. The inner periphery of the restraining member is sufficiently close to the outer periphery of the filter body to prevent the filter body from being damaged by ra ...


5
Michael B Whitlock, Stephen A Geibel, John D Miller, Steven Mills, Mark Hurwitz, Kenneth M Williamson, Tanweer Haq: Filter for subterranean use. Oiltools International, Leydig Voit & Mayer, December 28, 1999: US06006829 (17 worldwide citation)

A filter capable of being used in subterranean environments includes a filter medium. An erosion barrier is disposed along a common flow path with the filter medium for preventing erosion by particles in a fluid being filtered.


6
Michael B Whitlock: Filter and end cap assembly including a porous layer for sealing with a potting material and method for making the assembly. Pall Corporation, Leydig Voit & Mayer, March 31, 1998: US05733452 (14 worldwide citation)

A filter assembly is formed by fixing a porous layer to an end cap and sealing the end cap to a filter pack with a potting material. The potting material flows down, around and under the porous layer resulting in a robust mechanical seal upon curing.


7
Paul C Koehler, Michael B Whitlock, Lawrence J Noble, George C Jenkins: Filter assembly and method of making a filter assembly. Pall Corporation, Leydig Voit & Mayer, August 13, 1996: US05545323 (13 worldwide citation)

A filter assembly and a method of making a filter assembly is described wherein a filter pack is seated in an end cap and contacted with a particulate material and a settling liquid of low viscosity to form a filter assemblage. The filter assemblage is sintered to form a strong, virtually impermeabl ...


8
Michael B Whitlock, James A Bair, Hidenori Nakayama: In-line filter for tubing. Pall Corporation, Leydig Voit & Mayer, February 13, 1996: US05490868 (13 worldwide citation)

An in-line filter includes a hollow base having first and second wall portions formed between its ends and a filter element mounted on the base. During use, the base of the filter is disposed inside a standard tubing connector, and the wall portions are resiliently deformed by the tubing connector s ...


9
Paul C Koehler, Stephen A Geibel, Michael B Whitlock: Liquid laydown process and metal filter. Pall Corporation, Leydig Voit & Mayer, September 22, 1992: US05149360 (12 worldwide citation)

Metal filter sheet is made by a method in which metal particulates are suspended in a fluid medium containing a stabilizing agent. The stable suspension is then filtered to leave a wet cake of the metal particulate which is then dried, compressed, and sintered to produce the metal filter sheet.


10
Christophe A Malbrel, Michael B Whitlock, Stephen A Geibel: Filter for subterranean use. Pall Corporation, Leydig Voit & Mayer, March 16, 1999: US05881812 (9 worldwide citation)

A filter for subterranean environments includes an inner support member capable of transporting a fluid in an axial direction thereof, a filter body disposed around the inner support member and including a filter medium, and one or more end connectors surrounding the inner support member and each co ...