Patents by Inventor Joseph L. Najm
Joseph L. Najm has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6743282Abstract: A furnace filter system or kit for installation on an existing furnace duct having upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter media therebetween, and upper and lower take-up roll supports respectively mounted on the top and bottom walls of the duct adjacent the other side thereof for removably receiving a filter media take-up roll therebetween. Slots are provided in the side walls of the duct inwardly adjacent the corresponding one of the supply roll and take-up roll and between the top and bottom walls of the duct, and a filter media supporting frame assembly is received in the duct and has opposite sides provided with guide slots therein aligned with the duct slots.Type: GrantFiled: October 11, 2002Date of Patent: June 1, 2004Inventor: Joseph L. Najm
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Patent number: 6735810Abstract: A vacuum cleaning system for a recreational vehicle having an internal compartment including a floor and a plurality of walls extending upwardly from the floor comprises a vacuum cleaner having a suction inlet, a vacuum hose having inlet and outlet ends and a vacuum line in or extending along one of the walls. The vacuum line is connected to the suction inlet of the vacuum cleaner and to the outlet end of the vacuum hose for cleaning the compartment. The vacuum cleaner can be portable and releasably connected to the vacuum line from outside the vehicle, or can be mounted inside the vehicle and permanently connected to the vacuum line.Type: GrantFiled: January 31, 2002Date of Patent: May 18, 2004Assignee: HMI Industries, Inc.Inventors: Joseph L. Najm, Steve Porath, James Malone
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Patent number: 6632269Abstract: A furnace filter assembly for removing dirt and contamination from air entering an existing furnace is installable on the existing furnace without the need for modification thereof, and includes a filter frame, a supply roll for supporting a continuous length of bulk filter media, a take-up roll for receiving the filter media as it is advanced from the supply roll across the filter frame, a motor for rotating the take-up roll for advancing the filter media, all of which components are mounted on the filter frame. The assembly further includes a motor control system having a pressure sensor, a timer, and a switch in electrical communication with a controller for energizing and de-enegizing the motor in response to conditions of the filter media.Type: GrantFiled: April 2, 2001Date of Patent: October 14, 2003Inventor: Joseph L. Najm
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Publication number: 20030140443Abstract: A vacuum cleaning system for a recreational vehicle having an internal compartment including a floor and a plurality of walls extending upwardly from the floor comprises a vacuum cleaner having a suction inlet, a vacuum hose having inlet and outlet ends and a vacuum line in or extending along one of the walls. The vacuum line is connected to the suction inlet of the vacuum cleaner and to the outlet end of the vacuum hose for cleaning the compartment. The vacuum cleaner can be portable and releasably connected to the vacuum line from outside the vehicle, or can be mounted inside the vehicle and permanently connected to the vacuum line.Type: ApplicationFiled: January 31, 2002Publication date: July 31, 2003Applicant: HMI Industries, Inc., a Delaware corporationInventors: Joseph L. Najm, Steve Porath, James Malone
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Publication number: 20030033937Abstract: A furnace filter system or kit for installation on an existing furnace duct comprises upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter media therebetween, and upper and lower take-up roll supports respectively mounted on the top and bottom walls of the duct adjacent the other side thereof for removably receiving a filter media take-up roll therebetween. Slots are provided in the side walls of the duct inwardly adjacent the corresponding one of the supply roll and take-up roll and between the top and bottom walls of the duct, and a filter media supporting frame assembly is received in the duct and has opposite sides provided with guide slots therein aligned with the duct slots.Type: ApplicationFiled: October 11, 2002Publication date: February 20, 2003Inventor: Joseph L. Najm
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Patent number: 6491735Abstract: A furnace filter system or kit for installation on an existing furnace duct having upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter media therebetween, and upper and lower take-up roll supports respectively mounted on the top and bottom walls of the duct adjacent the other side thereof for removably receiving a filter media take-up roll therebetween. Slots are provided in the side walls of the duct inwardly adjacent the corresponding one of the supply roll and take-up roll and between the top and bottom walls of the duct, and a filter media supporting frame assembly is received in the duct and has opposite sides provided with guide slots therein aligned with the duct slots.Type: GrantFiled: November 20, 2001Date of Patent: December 10, 2002Assignee: HMI Industries, Inc.Inventor: Joseph L. Najm
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Publication number: 20020069763Abstract: A furnace filter system or kit for installation on an existing furnace duct comprises upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter media therebetween, and upper and lower take-up roll supports respectively mounted on the top and bottom walls of the duct adjacent the other side thereof for removably receiving a filter media take-up roll therebetween. Slots are provided in the side walls of the duct inwardly adjacent the corresponding one of the supply roll and take-up roll and between the top and bottom walls of the duct, and a filter media supporting frame assembly is received in the duct and has opposite sides provided with guide slots therein aligned with the duct slots.Type: ApplicationFiled: November 20, 2001Publication date: June 13, 2002Inventor: Joseph L. Najm
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Patent number: 6402822Abstract: A furnace filter system or kit for installation on an existing furnace duct includes upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter media therebetween, and upper and lower take-up roll supports respectively mounted on the top and bottom walls of the duct adjacent the other side thereof for removably receiving a filter media take-up roll therebetween. Slots are provided in the side walls of the duct inwardly adjacent the corresponding one of the supply roll and take-up roll and between the top and bottom walls of the duct, and a filter media supporting frame assembly is received in the duct and has opposite sides provided with guide slots therein aligned with the duct slots.Type: GrantFiled: February 15, 2000Date of Patent: June 11, 2002Assignee: HMI Industries, Inc.Inventor: Joseph L. Najm