Patents by Inventor Robert E. Gledhill, III
Robert E. Gledhill, III 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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Publication number: 20220099083Abstract: A diaphragm pump assembly can include a pump drive chamber, a first pump diaphragm chamber, and a second pump diaphragm chamber. The assembly can include a pump motor configured to rotate a motor shaft extending into the pump drive chamber. The assembly can include a cam connected to the motor shaft and configured to rotate in response to rotation of the motor shaft. The assembly can include a drive yoke having a yoke frame and a yoke pocket having a first wall and a second wall parallel and opposite the first wall. First and second pistons can connect to the drive yoke and to first and second diaphragms, respectively. The diameter of the cam can be less than and within 5% the width of yoke pocket and the yoke can be configured to move the pistons along a straight line.Type: ApplicationFiled: November 11, 2021Publication date: March 31, 2022Inventors: Robert E. Gledhill, III, John Nguyen
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Patent number: 11261857Abstract: Described is a method for manufacturing a diaphragm assembly through the use of injection molding. The method can avoid the use of PTFE as a chemically resistant coating. Further, the method can increase overall adherence of a polymer diaphragm to an insert through the use of an interference surface on at least the surface of a head of the insert.Type: GrantFiled: June 21, 2019Date of Patent: March 1, 2022Assignee: Blue-White Industries, Ltd.Inventors: Robert E. Gledhill, III, John T. Nguyen, Steve L. Smith
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Publication number: 20220034693Abstract: A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.Type: ApplicationFiled: March 15, 2021Publication date: February 3, 2022Inventors: Robert E. Gledhill, III, John T. Nguyen, Patrick Michael Murphy, Keith R. Petros, Jennifer A. Tsuyuki, Taylor L. Gledhill, Jason Alan Woolard, William M. McDowell, Darrell B. Freeman, Raul Vazquez
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Patent number: 11221004Abstract: A diaphragm pump assembly can include a pump drive chamber, a first pump diaphragm chamber, and a second pump diaphragm chamber. The assembly can include a pump motor configured to rotate a motor shaft extending into the pump drive chamber. The assembly can include a cam connected to the motor shaft and configured to rotate in response to rotation of the motor shaft. The assembly can include a drive yoke having a yoke frame and a yoke pocket having a first wall and a second wall parallel and opposite the first wall. First and second pistons can connect to the drive yoke and to first and second diaphragms, respectively. The diameter of the cam can be less than and within 5% the width of yoke pocket and the yoke can be configured to move the pistons along a straight line.Type: GrantFiled: April 26, 2018Date of Patent: January 11, 2022Assignee: Blue-White Industries, Ltd.Inventors: Robert E. Gledhill, III, John Nguyen
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Publication number: 20210348602Abstract: A rotor assembly for a peristaltic pump is provided. The rotor assembly includes a hub configured to couple with a drive shaft of a pump. The hub includes at least one receiving slot that extends longitudinally along an outer surface of the hub. The rotor assembly further includes a roller assembly configured to slide longitudinally along the receiving slot to seat the roller assembly onto the hub.Type: ApplicationFiled: May 3, 2021Publication date: November 11, 2021Inventors: John T. Nguyen, Robert E. Gledhill, III
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Publication number: 20210324845Abstract: A peristaltic pump can include a chassis and a chassis retaining portion forming a cavity. The pump can also include a rotor, a cover, and a linkage. The rotor can be disposed within the cavity such that tubing can be held between the rotor and the chassis and/or the chassis retaining portion. The linkage can couple the cover to the chassis. The linkage can include an arm. When opening the cover, the arm can pivot such that the chassis moves away from the chassis retaining portion to widen the cavity. When closing the cover, the arm can pivot such that the chassis moves toward the chassis retaining portion. When closed, a stop can restrict further movement of a corresponding member toward the chassis retaining portion.Type: ApplicationFiled: April 16, 2021Publication date: October 21, 2021Inventors: John T. Nguyen, Robert E. Gledhill, III
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Patent number: 10948320Abstract: A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.Type: GrantFiled: June 8, 2018Date of Patent: March 16, 2021Assignee: Blue-White Industries, Ltd.Inventors: Robert E. Gledhill, III, John T. Nguyen, Patrick Michael Murphy, Keith R. Petros, Jennifer A. Tsuyuki, Taylor L. Gledhill, Jason Alan Woolard, William M. McDowell, Darrell B. Freeman, Raul Vazquez
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Publication number: 20210064735Abstract: A lockout system for a metering pump is provided. The lockout system can include a user interface that is used to switch the pump between a locked configuration and an unlocked configuration. In the locked configuration, the operation of the pump cannot be adjusted through the user interface. In the unlocked configuration, the operation of the pump can be adjusted through the user interface. The lockout system can include a passkey notice that provides information regarding how to use the user interface to switch the pump between the locked and unlocked configurations.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Inventors: Robert E. Gledhill, III, John T. Nguyen
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Publication number: 20210054963Abstract: A quick mounting bracket for a pump is provided. The bracket includes a flexible handle that moves relative to stabilizer tabs. The bracket has ramped surfaces that guide a portion of the pump housing into a receiving slot of the bracket. A hinge of the handle biases the handle away from the pump such that the handle is driven to overlap the portion of the pump housing that seats into the receiving slot, thereby locking the pump onto the bracket until the handle is move to clear receiving slot and allow the pump to be removed from the bracket.Type: ApplicationFiled: August 18, 2020Publication date: February 25, 2021Inventors: John T. Nguyen, Robert E. Gledhill, III
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Publication number: 20210047209Abstract: Described is a method for treating water with sodium hydroxide. The method can increase the accuracy of the volume of a stock sodium hydroxide solution that is delivered to the water being treated. The method can include pumping a concentrated aqueous sodium hydroxide stock solution with a diaphragm pumping system that has a two-part diaphragm assembly with a polymeric diaphragm overmolded onto a rigid insert. The polymeric diaphragm can be made of a fully-vulcanized ethylene propylene diene monomer rubber that is injection molded over the rigid insert.Type: ApplicationFiled: August 7, 2020Publication date: February 18, 2021Inventors: Robert E. Gledhill, III, John T. Nguyen, Steven Lee Smith
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Publication number: 20200386593Abstract: A flow rate assembly can include a housing having a measurement channel extending along the housing axis and through a portion of the housing between the first and second ends of the housing, an outer cup portion positioned at least partly within the housing, and a transducer positioned within the outer cup portion and sealed from fluid flow past the outer cup portion, the transducer having a width perpendicular to the housing axis and greater than the width of the measurement channel, the transducer configured to generate an ultrasonic signal and to direct the ultrasonic signal through the measurement channel.Type: ApplicationFiled: June 5, 2020Publication date: December 10, 2020Inventors: John T. Nguyen, Patrick M. Murphy, Robert E. Gledhill, III
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Publication number: 20200149522Abstract: Described is a method for manufacturing a diaphragm assembly through the use of injection molding. The method can avoid the use of PTFE as a chemically resistant coating. Further, the method can increase overall adherence of a polymer diaphragm to an insert through the use of an interference surface on at least the surface of a head of the insert.Type: ApplicationFiled: June 21, 2019Publication date: May 14, 2020Inventors: Robert E. Gledhill, III, John T. Nguyen, Steve L. Smith
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Patent number: 10330094Abstract: Described is a method for manufacturing a diaphragm assembly through the use of injection molding. The method can avoid the use of PTFE as a chemically resistant coating. Further, the method can increase overall adherence of a polymer diaphragm to an insert through the use of an interference surface on at least the surface of a head of the insert.Type: GrantFiled: August 22, 2014Date of Patent: June 25, 2019Assignee: Blue-White Industries, Ltd.Inventors: Robert E. Gledhill, III, John T. Nguyen, Steve L. Smith
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Publication number: 20190101936Abstract: A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.Type: ApplicationFiled: June 8, 2018Publication date: April 4, 2019Inventors: Robert E. Gledhill, III, John T. Nguyen, Patrick Michael Murphy, Keith R. Petros, Jennifer A. Tsuyuki, Taylor L. Gledhill, Jason Alan Woolard, William M. McDowell, Darrell B. Freeman, Raul Vazquez
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Publication number: 20190017499Abstract: A diaphragm pump assembly can include a pump drive chamber, a first pump diaphragm chamber, and a second pump diaphragm chamber. The assembly can include a pump motor configured to rotate a motor shaft extending into the pump drive chamber. The assembly can include a cam connected to the motor shaft and configured to rotate in response to rotation of the motor shaft. The assembly can include a drive yoke having a yoke frame and a yoke pocket having a first wall and a second wall parallel and opposite the first wall. First and second pistons can connect to the drive yoke and to first and second diaphragms, respectively. The diameter of the cam can be less than and within 5% the width of yoke pocket and the yoke can be configured to move the pistons along a straight line.Type: ApplicationFiled: April 26, 2018Publication date: January 17, 2019Inventors: Robert E. Gledhill, III, John Nguyen
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Patent number: 9996089Abstract: A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.Type: GrantFiled: September 20, 2016Date of Patent: June 12, 2018Assignee: Blue-White Industries, Ltd.Inventors: Robert E. Gledhill, III, John T. Nguyen, Patrick Michael Murphy, Keith R. Petros, Jennifer A. Tsuyuki, Taylor L. Gledhill, Jason Alan Woolard, William M. McDowell, Darrell B. Freeman, Raul Vazquez
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Publication number: 20170139430Abstract: A flow rate assembly can include a fluid flow interface portion having a front facing wall and a back facing wall. The flow interface portion can include an inlet passage within the fluid flow interface portion, an outlet passage within the fluid flow interface portion, at least one inlet aperture extending through the front facing wall of the fluid flow interface portion into the inlet passage, and at least one outlet aperture extending through the back facing wall of the fluid flow interface portion into the outlet passage. In some cases, the fluid flow interface portion includes a plug forming at least a portion of the inlet passage.Type: ApplicationFiled: September 20, 2016Publication date: May 18, 2017Inventors: Robert E. Gledhill, III, John T. Nguyen, Patrick Michael Murphy, Keith R. Petros, Jennifer A. Tsuyuki, Taylor L. Gledhill, Jason Alan Woolard, William M. McDowell, Darrell B. Freeman, Raul Vazquez
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Patent number: 9374024Abstract: Transducer assemblies and associated methods are provided for facilitating alignment of ultrasonic transducers with respect to pipes onto which the transducers are installed. The transducer assembly can include a transducer housing having a track on along which the transducers can be slidingly engaged. The transducer assembly can include attachment structures having alignment features used to align the transducers parallel to the axial centerline of the pipe while ensuring that the reception/emission sides of the transducers are oriented normal to the outer surface of the pipe. In some embodiments a transducer assembly alignment system can be used to align two transducer assemblies on circumferentially opposite sides of a pipe.Type: GrantFiled: September 27, 2013Date of Patent: June 21, 2016Assignee: Blue-White Industries, Ltd.Inventors: John T. Nguyen, Jason A. Woolard, William M. McDowell, Robert E. Gledhill, III
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Publication number: 20150211509Abstract: A multiple diaphragm pump having a single drive and controller is disclosed. Each diaphragm of the multiple diaphragm pump is connected to a piston. The pistons may be connected to at least one lever. A cam may be operatively engaged with the at least one lever such that movement of the cam causes movement of the piston which translates into piston stroke. The pistons move in substantially the same direction such that when one diaphragm is in a forward stroke the other diaphragm is in a backward stroke.Type: ApplicationFiled: January 23, 2015Publication date: July 30, 2015Inventors: Robert E. Gledhill, III, John T. Nguyen
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Patent number: D959238Type: GrantFiled: August 19, 2019Date of Patent: August 2, 2022Assignee: BLUE-WHITE INDUSTRIES, LTD.Inventors: John T. Nguyen, Robert E. Gledhill, III