Patents by Inventor Joseph P. Sandman
Joseph P. Sandman 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: 10480812Abstract: A clamp assembly is provided for use in a duct system. The clamp assembly includes a clamp member including a base portion and first and second lateral portions. The first and second lateral portions extend less than the full circumferential length of the base portion. The clamp assembly may include a first member, a second member, and a hinge operatively coupling the first member to the second member. A damper access assembly includes an adapter, a damper access duct section, and an annular clamp member. A first flange of the adapter and a second flange of the duct section are configured to form a generally T-shaped joint between the adapter and the damper access duct section. The clamp member is configured to removably secure the adapter to the damper access duct section. The damper access duct section is configured to be removable relative to the damper enclosure and the ductwork.Type: GrantFiled: January 19, 2017Date of Patent: November 19, 2019Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 10012333Abstract: A fluid conditioning assembly includes a fluid conditioning device defining a passage and having a first end and a second end. A control element is supported within the passage. At least the first end includes an integral radially outwardly directed flange. The integral radially outwardly directed flange is configured to be operatively and releasably coupled to a first radially outwardly directed flange of a first duct section. A technician may release the fluid conditioning device from the first duct section to remove the fluid conditioning device from the ventilation duct system for accessing the control element of the fluid conditioning device.Type: GrantFiled: June 6, 2012Date of Patent: July 3, 2018Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20170130985Abstract: A clamp assembly is provided for use in a duct system. The clamp assembly includes a clamp member including a base portion and first and second lateral portions. The first and second lateral portions extend less than the full circumferential length of the base portion. The clamp assembly may include a first member, a second member, and a hinge operatively coupling the first member to the second member. A damper access assembly includes an adapter, a damper access duct section, and an annular clamp member. A first flange of the adapter and a second flange of the duct section are configured to form a generally T-shaped joint between the adapter and the damper access duct section. The clamp member is configured to removably secure the adapter to the damper access duct section. The damper access duct section is configured to be removable relative to the damper enclosure and the ductwork.Type: ApplicationFiled: January 19, 2017Publication date: May 11, 2017Inventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 9551505Abstract: A clamp assembly is provided for use in a duct system. The clamp assembly includes a clamp member including a base portion and first and second lateral portions. The first and second lateral portions extend less than the full circumferential length of the base portion. The clamp assembly may include a first member, a second member, and a hinge operatively coupling the first member to the second member. A damper access assembly includes an adapter, a damper access duct section, and an annular clamp member. A first flange of the adapter and a second flange of the duct section are configured to form a generally T-shaped joint between the adapter and the damper access duct section. The clamp member is configured to removably secure the adapter to the damper access duct section. The damper access duct section is configured to be removable relative to the damper enclosure and the ductwork.Type: GrantFiled: December 7, 2012Date of Patent: January 24, 2017Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 9341291Abstract: A damper access assembly includes an adapter and a removable damper access duct section for use in a ventilation duct system to access a damper. The adapter includes a radially outwardly directed flange. Each of the ends of the damper access duct section includes a radially outwardly directed flange. The flange of the adapter is configured to be operatively and releasably coupled to one of the flanges of the damper access duct section. The other second flange at the other end of the damper access duct section is configured to be operatively and releasably coupled to the ductwork. A technician may release the damper access duct section from the adapter and from the ductwork and remove the damper access duct section to access the damper. The damper access assembly may include one or more clamps that cooperate with the flanges of the adapter and the removable access duct section.Type: GrantFiled: June 5, 2012Date of Patent: May 17, 2016Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20130331022Abstract: A fluid conditioning assembly includes a fluid conditioning device defining a passage and having a first end and a second end. A control element is supported within the passage. At least the first end includes an integral radially outwardly directed flange. The integral radially outwardly directed flange is configured to be operatively and releasably coupled to a first radially outwardly directed flange of a first duct section. A technician may release the fluid conditioning device from the first duct section to remove the fluid conditioning device from the ventilation duct system for accessing the control element of the fluid conditioning device.Type: ApplicationFiled: June 6, 2012Publication date: December 12, 2013Applicant: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20130324028Abstract: A damper access assembly includes an adapter and a removable damper access duct section for use in a ventilation duct system to access a damper. The adapter includes a radially outwardly directed flange. Each of the ends of the damper access duct section includes a radially outwardly directed flange. The flange of the adapter is configured to be operatively and releasably coupled to one of the flanges of the damper access duct section. The other second flange at the other end of the damper access duct section is configured to be operatively and releasably coupled to the ductwork. A technician may release the damper access duct section from the adapter and from the ductwork and remove the damper access duct section to access the damper. The damper access assembly may include one or more clamps that cooperate with the flanges of the adapter and the removable access duct section.Type: ApplicationFiled: June 5, 2012Publication date: December 5, 2013Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20130324029Abstract: A clamp assembly is provided for use in a duct system. The clamp assembly includes a clamp member including a base portion and first and second lateral portions. The first and second lateral portions extend less than the full circumferential length of the base portion. The clamp assembly may include a first member, a second member, and a hinge operatively coupling the first member to the second member. A damper access assembly includes an adapter, a damper access duct section, and an annular clamp member. A first flange of the adapter and a second flange of the duct section are configured to form a generally T-shaped joint between the adapter and the damper access duct section. The clamp member is configured to removably secure the adapter to the damper access duct section. The damper access duct section is configured to be removable relative to the damper enclosure and the ductwork.Type: ApplicationFiled: December 7, 2012Publication date: December 5, 2013Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 8584497Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.Type: GrantFiled: August 15, 2011Date of Patent: November 19, 2013Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 8322758Abstract: A juncture assembly is provided between first and second ends of respective first and second tubes. The assembly includes a first flange that is located at the first end and a second flange that is located at the second end, with the second flange being in confronting relationship with the first flange. The first and second flanges define a gap between them. A gasket member contacts the first and second flanges and is configured to prevent flow of fluids through the gap. A clamp member of the assembly secures the gasket member to the first and second flanges with the clamp member including a channel for receiving the first and second flanges and first and second restriction elements that extend into the channel for positioning the first and second flanges within the channel.Type: GrantFiled: October 23, 2009Date of Patent: December 4, 2012Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20110296894Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20110296888Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 7997112Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.Type: GrantFiled: September 27, 2007Date of Patent: August 16, 2011Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20100038902Abstract: A juncture assembly is provided between first and second ends of respective first and second tubes. The assembly includes a first flange that is located at the first end and a second flange that is located at the second end, with the second flange being in confronting relationship with the first flange. The first and second flanges define a gap between them. A gasket member contacts the first and second flanges and is configured to prevent flow of fluids through the gap. A clamp member of the assembly secures the gasket member to the first and second flanges with the clamp member including a channel for receiving the first and second flanges and first and second restriction elements that extend into the channel for positioning the first and second flanges within the channel.Type: ApplicationFiled: October 23, 2009Publication date: February 18, 2010Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: 7523964Abstract: A sealing gasket for a ventilation duct system includes an annular gasket body and a pair of annular sealing flanges extending radially outwardly from the gasket body. The sealing gasket has, in axial cross-section, a generally flat top wall and a curved or, alternatively, a radiused bottom wall. One of the sealing flanges is positioned adjacent one circumferential edge of the sealing gasket and the other sealing flange is positioned axially spaced from or offset from the opposite circumferential edge of the sealing gasket. The sealing gasket is provided to form a generally air-tight seal between overlapping ends of first and second components of a ventilation duct system.Type: GrantFiled: March 24, 2005Date of Patent: April 28, 2009Assignee: Langdon IncorporatedInventors: Michael N. Sandman, Joseph P. Sandman
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Publication number: 20090083962Abstract: In one embodiment, a system is provided for forming a flange at an end of a tube. The system includes a collar that is configured to surround the tube, and a first roller engaging the collar. A second roller is configured to cooperate with the first roller to rotate the collar and the tube and includes a depression configured to receive a radially inwardly protruding portion of the tube therein. A rotatable cam cooperates with the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The depression may be configured to restrict axial movement of the tube relative to the collar. The depression may include an annular recess that is circumferentially disposed about the second roller.Type: ApplicationFiled: November 13, 2008Publication date: April 2, 2009Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20090085347Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.Type: ApplicationFiled: September 27, 2007Publication date: April 2, 2009Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Publication number: 20090085349Abstract: A juncture assembly between first and second tubes includes first and second flanges formed at the ends of the tubes. The flanges include respective legs in a confronting relationship and defining a gap between them. A gasket member contacts the flanges and is configured to prevent travel of fluids through the gap. The gasket member may, for example, be disposed in the gap between the first and second legs.Type: ApplicationFiled: July 3, 2008Publication date: April 2, 2009Applicant: LANGDON INCORPORATEDInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: D736072Type: GrantFiled: December 7, 2012Date of Patent: August 11, 2015Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman
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Patent number: D737133Type: GrantFiled: December 7, 2012Date of Patent: August 25, 2015Assignee: Langdon IncorporatedInventors: Joseph P. Sandman, Michael N. Sandman