Patents by Inventor Robert D. Davis
Robert D. Davis 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: 12207845Abstract: A retractor, distractor, and camera system with the camera system and/or distractor configured to provide releasable attachment of the camera system to the distractor, and also provide for rotation of the camera assembly relative to the distractor to allow for adjusting the aim of the camera viewing axis to obtain an image of the surgical workspace established by the retractor.Type: GrantFiled: December 12, 2022Date of Patent: January 28, 2025Assignee: Viseon, Inc.Inventors: Robert J. Flower, Todd D. McIntyre, Ravut Chhit, Peter G. Davis
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Publication number: 20210195067Abstract: An example system includes an imaging device and an enclosure substantially separating the imaging device from an outside environment. The enclosure includes an air intake to force air into the enclosure and an aperture to allow air to escape the enclosure. The air intake and the aperture maintain an air pressure level in the enclosure greater than an air pressure of the outside environment.Type: ApplicationFiled: April 14, 2017Publication date: June 24, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Joshua Peter YASBEK, Todd GOYEN, Robert D. DAVIS, Asa WEISS, Arthur H. BARNES
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Publication number: 20170007543Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin.Type: ApplicationFiled: September 12, 2016Publication date: January 12, 2017Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 9487934Abstract: A hydrant drainage boot is installed around a water supply line and a frost-free hydrant to prevent dirt and debris from blocking the drainage port, and ensures unobstructed drainage of the hydrant. The frost-free hydrant has a linear riser pipe having a pipe top end and a pipe bottom end, a pivoting operating lever having a spigot a valve having a drain port, and a pipe connector. The hollow boot body has a first housing and a second housing attached to form a boot body with a boot cavity, base drainage slots, side drainage slots, water drainage louvers, raised louvers, and input and output ports. The hydrant drainage boot is enclosed around at least the valve, the pipe connector, a water supply line and a portion of the riser pipe of the frost-free hydrant.Type: GrantFiled: July 8, 2015Date of Patent: November 8, 2016Inventors: Robert D. Davis, Bobbie J. Davis
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Patent number: 9221262Abstract: Operation of a carriage is controlled to actuate a mechanism. The carriage is controlled according to a feed forward term and a feedback term, to compensate interaction of the carriage with the mechanism. Thus, the carriage is to engage the mechanism at a reduced velocity for quiet operation, and fully and reliably actuate the mechanism without stalling the carriage.Type: GrantFiled: March 28, 2013Date of Patent: December 29, 2015Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, LP.Inventor: Robert D. Davis
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Patent number: 9033450Abstract: A printer having an internal electrical power supply is disclosed herein. A method for controlling power consumption in the printer includes receiving an image to be printed, calculating an estimated temperature of the printer, and controlling a speed of the printer to control the power consumption to keep a temperature of the printer below a predetermined maximum temperature in response to the estimated temperature.Type: GrantFiled: October 18, 2011Date of Patent: May 19, 2015Assignee: Hewlett-Packard Development Company, L.P.Inventors: Robert D. Davis, Douglas Harriman, Jon Johnson
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Publication number: 20140292842Abstract: Operation of a carriage is controlled to actuate a mechanism. The carriage is controlled according to a feed forward term and a feedback term, to compensate interaction of the carriage with the mechanism. Thus, the carriage is to engage the mechanism at a reduced velocity for quiet operation, and fully and reliably actuate the mechanism without stalling the carriage.Type: ApplicationFiled: March 28, 2013Publication date: October 2, 2014Applicant: Hewlett-Packard Development Company, L.P.Inventor: Robert D. Davis
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Publication number: 20130093813Abstract: A printer having an internal electrical power supply is disclosed herein. A method for controlling power consumption in the printer includes receiving an image to be printed, calculating an estimated temperature of the printer, and controlling a speed of the printer to control the power consumption to keep a temperature of the printer below a predetermined maximum temperature in response to the estimated temperature.Type: ApplicationFiled: October 18, 2011Publication date: April 18, 2013Inventors: Robert D. Davis, Douglas Harriman, Jon Johnson
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Patent number: 8012504Abstract: The invention relates to a novel pharmaceutical modified release formulation of guaifenesin and dextromethorphan. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin, wherein one or both portions further comprises dextromethorphan.Type: GrantFiled: April 15, 2003Date of Patent: September 6, 2011Assignee: Reckitt Benckiser Inc.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 7985421Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin and at least one additional drug ingredient. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin, wherein one or both portions has at least one additional drug ingredient.Type: GrantFiled: June 22, 2005Date of Patent: July 26, 2011Assignee: Reckitt Benckiser Inc.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 7985420Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin and pseudoephedrine. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin, wherein one or both portions further comprises pseudoephedrine.Type: GrantFiled: April 4, 2003Date of Patent: July 26, 2011Assignee: Reckitt Benckiser Inc.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Publication number: 20110052689Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1: 1) to about nine-to-one (9: 1), more preferably a range of about three-to-two (3:2) to about six-to-one (6: 1), and most preferably in a range of about two-to-one (2: 1) to about four-to-one (4: 1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin.Type: ApplicationFiled: November 5, 2010Publication date: March 3, 2011Applicant: RECKITT BENCKISER INC.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 7838032Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin.Type: GrantFiled: April 4, 2003Date of Patent: November 23, 2010Assignee: Reckitt Benckiser Inc.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 7692399Abstract: A method of controlling a DC motor is presented. In a determining action, a thermal power dissipation is determined from a motor input and a motor velocity. In another determining action, a motor temperature is determined based on a thermal model using the thermal power dissipation. In an adjusting action, a usage of the motor is adjusted, taking the motor temperature into account.Type: GrantFiled: April 1, 2003Date of Patent: April 6, 2010Assignee: Hewlett-Packard Development Company, L.P.Inventors: Douglas L. Harriman, Michael Teong Seng Ewe, Robert D. Davis
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Patent number: 6955821Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin and at least one additional drug ingredient. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin, wherein one or both portions has at least one additional drug ingredient.Type: GrantFiled: April 15, 2002Date of Patent: October 18, 2005Assignee: Adams Laboratories, Inc.Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 6942406Abstract: A media handling system for handling sheets of media. The system includes a pick roller having a circumferential media-contacting surface and arranged for rotation about a roller axis to contact and pick a sheet from an input source. A drive roller rotates about a drive roller axis, with a media path extending between the pick roller and the drive roller. A first guide structure is positioned along a first longitudinal edge of the media path and providing a first media guide surface. A second guide structure is positioned along a second longitudinal edge of the media path and provides a second media guide surface. The first and second guide surfaces are positioned to constrain the movement of a media sheet in the media path between the pick roller and the drive roller, thereby alleviating trailing edge print defects.Type: GrantFiled: October 30, 2001Date of Patent: September 13, 2005Assignee: Hewlett-Packard Development Company, L.P.Inventors: Craig D. Sunada, William H. Schwiebert, Robert D. Davis
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Publication number: 20040195989Abstract: A method of controlling a DC motor is presented. In a determining action, a thermal power dissipation is determined from a motor input and a motor velocity. In another determining action, a motor temperature is determined based on a thermal model using the thermal power dissipation. In an adjusting action, a usage of the motor is adjusted, taking the motor temperature into account.Type: ApplicationFiled: April 1, 2003Publication date: October 7, 2004Inventors: Douglas L. Harriman, Michael Teong Seng Ewe, Robert D. Davis
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Publication number: 20040022851Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin and pseudoephedrine. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin, wherein one or both portions further comprises pseudoephedrine.Type: ApplicationFiled: April 4, 2003Publication date: February 5, 2004Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Publication number: 20040018233Abstract: The invention relates to a novel pharmaceutical sustained release formulation of guaifenesin. The formulation may comprise a hydrophilic polymer, preferably a hydroxypropyl methylcellulose, and a water-insoluble polymer, preferably an acrylic resin, in a ratio range of about one-to-one (1:1) to about nine-to-one (9:1), more preferably a range of about three-to-two (3:2) to about six-to-one (6:1), and most preferably in a range of about two-to-one (2:1) to about four-to-one (4:1) by weight. This formulation capable of providing therapeutically effective bioavailability of guaifenesin for at least twelve hours after dosing in a human subject. The invention also relates to a modified release product which has two portions: a first portion having an immediate release formulation of guaifenesin and a second portion having a sustained release formulation of guaifenesin.Type: ApplicationFiled: April 4, 2003Publication date: January 29, 2004Inventors: Robert D. Davis, Ralph W. Blume, Donald Jeffrey Keyser
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Patent number: 6682167Abstract: A method for reducing a servicing noise is provided. In a measuring action, a servicing position is measured using a full pushing force of an actuator applied to a service station. In a disengaging action, the actuator is disengaged from the service station. In a reducing action, the pushing force is reduced to a minimum value. In an engaging action, the service station is engaged with the actuator. In a monitoring action, a position of the actuator is monitored during the engagement. In a comparing action, the actuator position is compared to the stored servicing position. In an increasing action, the pushing force is increased for future engagements if the servicing position has not been reached. A printing mechanism configured to employ such a method is also provided.Type: GrantFiled: June 27, 2002Date of Patent: January 27, 2004Assignee: Hewlett-Packard DevelopmentInventors: Robert D. Davis, Mike Burton, Bruce A. Axten, Jafar N. Jefferson, Daniel J. Magnusson