1
Melvin R Hemp, Daniel A Klein: Brine seal for tubular filter. Clack Corporation, Nilles & Nilles, February 14, 1995: US05389260 (103 worldwide citation)

A filter assembly is provided for a manifolded water filtration system and includes a filter element, a brine seal located at the top of the filter element and engaging a boss depending from the system manifold. The brine seal isolates a rinse water discharge port, communicating with a an outlet of ...


2
Robert A Clack, Melvin R Hemp, Richard E Clack, W Roger McPherson: Liquid filtration system and replaceable filter cartridge usable therewith. Clack Corporation, Nilles & Nilles, April 18, 2000: US06051144 (53 worldwide citation)

A filter cartridge is capable of at least one-way communication with the base of a filtration system so as to confirm that the filter cartridge is properly configured for installation and use in the filtration system. Transmission and receipt of a filter presence confirmation signal can enhance the ...


3
Robert A Clack: Self-contained, purified drinking water refrigerator storage apparatus. Clack Corporation, Lockwood Alex FitzGibbon and Cummings, March 1, 1994: US05290442 (42 worldwide citation)

A new and improved self-contained, portable, treated drinking water, refrigerator storage jug assembly is provided. The jug assembly includes a storage jug configured to be placed in a refrigerator. A water treating subassembly is mounted to the back of the storage jug and is placed in the refrigera ...


4
Robert A Clack, Melvin R Hemp, W Roger McPherson: Method and apparatus for monitoring liquid flow through an enclosed stream. Clack Corporation, Nilles & Nilles, March 2, 1999: US05876610 (40 worldwide citation)

A liquid flow meter is designed to monitor the flow of a liquid through an enclosed stream such as through the tubes or internal passageways of a device such as a filtration system. The liquid flow meter includes an axial-flow magnetic turbine and a detector such as a reed switch that monitors turbi ...


5
Robert A Clack, Richard E Clack: Water purification system employing modular flat filter assembly. Clack Corporation, Nilles & Nilles, June 14, 1994: US05320752 (38 worldwide citation)

A drinking water purification system includes a flat filter assembly which may be installed in relatively narrow spaces which would otherwise be wasted such as the space beside a kitchen cabinet and the basin of a kitchen sink, inside a freezer door or on a countertop. The filter assembly includes a ...


6
Robert A Clack: Self-contained, purified drinking water refrigerator storage apparatus. Clack Corporation, Lockwood Alex FitzGibbon & Cummings, October 3, 1995: US05454944 (38 worldwide citation)

A new and improved self-contained, portable, treated drinking water, refrigerator storage jug assembly is provided. The jug assembly includes a storage jug configured to be placed in a refrigerator. A water treating subassembly is mounted to the back of the storage jug and is placed in the refrigera ...


7
Robert A Clack, Richard E Clack, Melvin R Hemp: Fluid flow control device for water treatment systems. Clack Corporation, Lockwood Alex FitzGibbon & Cummings, July 7, 1992: US05128035 (34 worldwide citation)

New and improved filtration purification or water treatment systems for providing improved purified drinking water at a point of use are provided in a substantially leak-free fluid flow control device to which the other filtration purification system elements may be matedly engaged. Other system ele ...


8
Robert A Clack: Liquid conductivity monitor. Clack Corporation, Lockwood Alex Fitzgibbon & Cummings, January 29, 1985: US04496906 (29 worldwide citation)

A liquid conductivity monitoring device includes an elongated cylindrical housing having parallel-spaced electrodes at one end for insertion into a liquid carrying conduit, and a transparent user-viewable lens at its other end. The electrodes are connected within the housing to a differential amplif ...


9
Robert A Clack: Storage and dispensing apparatus for reverse osmosis filtration purification system. Clack Corporation, Lockwood Alex FitzGibbon & Cummings, March 5, 1991: US04997553 (29 worldwide citation)

A new and improved reverse osmosis (R.O.) water filtration purification apparatus is described including a three-way faucet and a low cost blow molded storage tank. The storage tank includes a bladder which defines an outer drive fluid chamber and an inner purified water chamber for expandably recei ...


10
Robert A Clack: Self-contained, purified drinking water refrigerator storage apparatus. Clack Corporation, Lockwood Alex Fitzgibbon & Cummings, October 1, 1996: US05560393 (23 worldwide citation)

A new and improved self-contained, portable, treated drinking water, refrigerator storage jug assembly is provided. The jug assembly includes a storage jug configured to be placed in a refrigerator. A water treating subassembly is mounted to the back of the storage jug and is placed in the refrigera ...