Patents by Inventor David J. Lawrence

David J. Lawrence 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).

  • Patent number: 10760693
    Abstract: A plumbing fitting that includes: a fitting body having a plurality of ends; and a cover element joined to the body with a weld in proximity to and spaced from an interface in contact with a potable or non-potable aqueous medium. The body and the cover element are fabricated from a lead-free or low lead, copper or copper-silicon alloy having a thermal conductivity of ?45 W/(m*K). Further, the weld has a centerline that is ?6.4 mm from the interface and/or a heat affected zone that has an average width ?400 ?m and is spaced from the interface. The plumbing fittings include but are not limited to ball valves, gate valves, elbows, check valves and other fittings without stems.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 1, 2020
    Assignee: NIBCO INC.
    Inventors: Keith Yoder, Benjamin L. Lawrence, David Andrew Bobo, Matthew J. Krazit
  • Publication number: 20200121552
    Abstract: A system for performing an active compression decompression (ACD) treatment on a patient includes a platform for placement under a patient, a chest compression actuator that may include a belt configured to extend over a thorax of the patient, an upward force actuator, a coupling mechanism for coupling the upward force actuator to the thorax of the patient to transfer a decompressing force from the upward force actuator to the thorax of the patient, and a motor that is coupled to the belt, the motor configured to cause the belt to tighten about the thorax of the patient and exert a compressing force on the thorax of the patient; and cause the belt to loosen about the thorax of the patient and allow the upward force actuator to cause decompression of the patient.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 23, 2020
    Inventors: Byron J. Reynolds, David Trevor Lawrence, Paolo Giacometti PĂ©rez, Gary A. Freeman, Anna Grace Prestezog, Ari Manoukian, Richard A. Helkowski, Melanie Lynn Harris
  • Patent number: 10544888
    Abstract: A crimp connection fitting includes a socket with at least one annular recess axially spaced from an annular O-ring receiving groove. The recess includes a plurality of axially spaced crimping elements such that, when the socket is crimped, it grips a conduit positioned within the socket. The crimping elements preferably are split ring spring clips. In some embodiments, multiple spaced recesses support one or more crimping elements.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: January 28, 2020
    Assignee: NIBCO Inc.
    Inventors: Benjamin L. Lawrence, David A. Bobo, Christopher W. Mason, Keith W. Yoder, Paul Frische-Mouri, Justin J. Carey
  • Publication number: 20190298606
    Abstract: A CPR chest compression device with a cooling exhaust flow path configured to direct cooling air flow through the device. A CPR chest compression device with a battery retainer interoperable with the control system to provide for controlled shut-down when an operator attempts to remove the battery during operation.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 3, 2019
    Applicant: Zoll Circulation, Inc.
    Inventors: Byron J. Reynolds, David T. Lawrence, Ian Smith
  • Publication number: 20190240066
    Abstract: A warming device may include a batting layer having a phase change material. The batting layer may have a patient side and an upper side. A hot melt fabric adhesive may be applied to the patient side and upper side of the batting. A first fabric layer may be adhered to the hot melt fabric on the patient side of the batting. The first fabric layer may have a phase change material integrated coating. An insulation layer may be adhered to the hot melt fabric on the upper side of the batting. A second fabric layer may be coupled to the insulation layer.
    Type: Application
    Filed: January 28, 2019
    Publication date: August 8, 2019
    Inventors: Michael S. HOOD, Charles A. LACHENBRUCH, David L. BEDEL, Robert J. LAWRENCE, Darrell L. BORGMAN, Varad N. SRIVASTAVA, Neal WIGGERMANN, Kirsten M. EMMONS, Frank E. SAUSER, Holly L. BENGEL, Logan COBLER, Kayla STEVENS, Justine PRINGLE, Ryan S. SEVERNS, Yongji FU
  • Publication number: 20190186660
    Abstract: A crimp connection fitting includes a socket with at least one annular recess axially spaced from an annular O-ring receiving groove. The recess includes a plurality of axially spaced crimping elements such that, when the socket is crimped, it grips a conduit positioned within the socket. The crimping elements preferably are split ring spring clips. In some embodiments, multiple spaced recesses support one or more crimping elements.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Applicant: NIBCO Inc.
    Inventors: Benjamin L. Lawrence, David A. Bobo, Christopher W. Mason, Keith W. Yoder, Paul Frische-Mouri, Justin J. Carey
  • Publication number: 20190154160
    Abstract: A plumbing fitting that includes: a fitting body having a plurality of ends; and a cover element joined to the body with a weld in proximity to and spaced from an interface in contact with a potable or non-potable aqueous medium. The body and the cover element are fabricated from a lead-free or low lead, copper or copper-silicon alloy having a thermal conductivity of ?45 W/(m*K). Further, the weld has a centerline that is ?6.4 mm from the interface and/or a heat affected zone that has an average width ?400 ?m and is spaced from the interface. The plumbing fittings include but are not limited to ball valves, gate valves, elbows, check valves and other fittings without stems.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicant: NIBCO INC.
    Inventors: Keith Yoder, Benjamin L. Lawrence, David Andrew Bobo, Matthew J. Krazit
  • Patent number: 10016849
    Abstract: A method for welding a weld-on element onto a component is proposed, comprising at least the step that, before the welding process, at least one of the parts being connected is wetted with a wetting agent over the full area and uniformly in layer thickness in a welding region.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: July 10, 2018
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Dietmar Rotheut, Gerald Kuehn, Theodore John Coon, Jason Carter, Melissa Marie Brutto, David J. Lawrence
  • Publication number: 20160097166
    Abstract: A gauge-plate insulator for positioning between and mounting to two rail-spacing members that in turn extend transversely between and mount to two parallel rails to mechanically interconnect but electrical insulate the rail-spacing members and thus the parallel rails. The insulator includes a plate, front and rear mounting holes extending vertically through the plate, and a tongue extending downward from the plate along its lateral midsection from front to back. In typical embodiments, the insulator includes elongated platforms surrounding the mounting holes and arranged perpendicular to the tongue, and the insulator is of a one-piece monolithic construction made of a material selected for mechanical strength and electric insulation. And in some embodiments the insulator includes a tented top surface, ribs extending perpendicular to the tongue, and/or multi-level platforms.
    Type: Application
    Filed: December 11, 2015
    Publication date: April 7, 2016
    Inventors: Tom HABEL, David J. LAWRENCE, Ernest J. ALLISON
  • Patent number: 8969426
    Abstract: The present invention relates to the recovery of nylon from co-mingled materials (e.g., carpet) with reduced or eliminated ash (e.g., calcium carbonate) contamination.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 3, 2015
    Assignee: Dynasep Inc.
    Inventors: Brian J. Waibel, David J. Lawrence
  • Publication number: 20140131319
    Abstract: A method for welding a weld-on element onto a component is proposed, comprising at least the step that, before the welding process, at least one of the parts being connected is wetted with a wetting agent over the full area and uniformly in layer thickness in a welding region.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Dietmar Rotheut, Gerald Kuehn, Theodore John Coon, Jason Carter, Melissa Marie Brutto, David J. Lawrence
  • Publication number: 20130296525
    Abstract: The present invention relates to the recovery of nylon from co-mingled materials (e.g., carpet) with reduced or eliminated ash (e.g., calcium carbonate) contamination.
    Type: Application
    Filed: March 13, 2013
    Publication date: November 7, 2013
    Applicant: DYNASEP INC.
    Inventors: Brian J. WAIBEL, David J. LAWRENCE
  • Patent number: 8415506
    Abstract: The present invention provides energy and economically efficient and environmentally responsible processes for using acetone to dry, dehydrate and/or dewater various hydrated feedstocks.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: April 9, 2013
    Assignee: DynaSep Inc.
    Inventors: Brian J. Waibel, Hans Schonemann, David J. Lawrence, Paul Robinson
  • Patent number: 8071656
    Abstract: The present invention provides energetically and economically efficient methods for separating polyamide polymer(s) from commingled materials. The methods generally involve precipitating a polyamide polymer dissolved in a solvent (e.g., formic acid) using dimethyl ether (DME) as an antisolvent. The methods comprise dissolving the polyamide polymer in a solvent that (i) selectively dissolves the polyamide polymer relative to the other materials and (ii) has a higher solubility for DME relative to the polyamide polymer; and then contacting the mixture of the solvent with the dissolved polyamide polymer with DME, thereby precipitating the polyamide polymer.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: December 6, 2011
    Assignee: DynaSep LLC
    Inventors: Brian J. Waibel, Hans Schonemann, Val Krukonis, David J. Lawrence, Joseph N. Caulfield
  • Patent number: 8048304
    Abstract: Systems and methods for improving dense gas solvent extraction of a solute and recovery of the solvent are provided. A pressure of the solvent/solute mixture obtained from an extraction chamber is increased, e.g. with a pump, thereby providing the mixture above saturation conditions. The increased pressure provides greater solubility of the solute and less solvent being vaporized in a heat exchanger. A buildup of solute in the system is reduced, thus improving system longevity. Also, process conditions of the separation process are isolated from those of the extraction process. Accordingly, the process conditions for the separating process are maintained while the process conditions of the extraction chamber vary with ambient temperature, thus saving cost and energy. This isolation also provides an ability to use, in the gas recovery cycle, a heat pump that can be used for many applications and environmental conditions while still using a conventional refrigerant.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: November 1, 2011
    Assignee: Dynasep LLC
    Inventors: Brian J. Waibel, David J. Lawrence, Michael Case
  • Patent number: 7966995
    Abstract: A system and method provide dual level pressurization control of a fuel supply system based on whether fuel is being supplied to one or more secondary fuel loads. Fuel pump discharge backpressure is maintained above either a first minimum pressure value or a lower second minimum pressure value by determining whether fuel is being supplied to one or more secondary fuel loads. The fuel pump discharge pressure is maintained above the first minimum pressure value if it is determined that fuel is being supplied to the one or more secondary loads. The fuel pump discharge backpressure is maintained above the lower second minimum pressure value if it is determined that fuel is not being supplied to the one or more secondary loads.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: June 28, 2011
    Assignee: Honeywell International Inc.
    Inventors: Paul W. Futa, Jr., Gregory A. Lafferty, David J. Lawrence, David J. Tuttle
  • Publication number: 20110112329
    Abstract: The present invention provides energy and economically efficient and environmentally responsible processes for using acetone to dry, dehydrate and/or dewater various hydrated feedstocks.
    Type: Application
    Filed: November 11, 2010
    Publication date: May 12, 2011
    Applicant: Dynasep LLC
    Inventors: Brian J. WAIBEL, Hans Schonemann, David J. Lawrence, Paul Robinson
  • Publication number: 20100263634
    Abstract: A system and method provide dual level pressurization control of a fuel supply system based on whether fuel is being supplied to one or more secondary fuel loads. Fuel pump discharge backpressure is maintained above either a first minimum pressure value or a lower second minimum pressure value by determining whether fuel is being supplied to one or more secondary fuel loads. The fuel pump discharge pressure is maintained above the first minimum pressure value if it is determined that fuel is being supplied to the one or more secondary loads. The fuel pump discharge backpressure is maintained above the lower second minimum pressure value if it is determined that fuel is not being supplied to the one or more secondary loads.
    Type: Application
    Filed: September 5, 2007
    Publication date: October 21, 2010
    Applicant: HONEYWELL INTERNATIONAL, INC.
    Inventors: Paul W. Futa, JR., Gregory A. Lafferty, David J. Lawrence, David J. Tuttle
  • Publication number: 20100228000
    Abstract: The present invention provides energetically and economically efficient methods for separating polyamide polymer(s) from commingled materials. The methods generally involve precipitating a polyamide polymer dissolved in a solvent (e.g., formic acid) using dimethyl ether (DME) as an antisolvent. The methods comprise dissolving the polyamide polymer in a solvent that (i) selectively dissolves the polyamide polymer relative to the other materials and (ii) has a higher solubility for DME relative to the polyamide polymer; and then contacting the mixture of the solvent with the dissolved polyamide polymer with DME, thereby precipitating the polyamide polymer.
    Type: Application
    Filed: March 3, 2009
    Publication date: September 9, 2010
    Applicant: DynaSep LLC
    Inventors: Brian J. Waibel, Hans Schonemann, Val Krukonis, David J. Lawrence, Joseph N. Caulfield
  • Publication number: 20090166175
    Abstract: Systems and methods for improving dense gas solvent extraction of a solute and recovery of the solvent are provided. A pressure of the solvent/solute mixture obtained from an extraction chamber is increased, e.g. with a pump, thereby providing the mixture above saturation conditions. The increased pressure provides greater solubility of the solute and less solvent being vaporized in a heat exchanger. A buildup of solute in the system is reduced, thus improving system longevity. Also, process conditions of the separation process are isolated from those of the extraction process. Accordingly, the process conditions for the separating process are maintained while the process conditions of the extraction chamber vary with ambient temperature, thus saving cost and energy. This isolation also provides an ability to use, in the gas recovery cycle, a heat pump that can be used for many applications and environmental conditions while still using a conventional refrigerant.
    Type: Application
    Filed: December 9, 2008
    Publication date: July 2, 2009
    Applicant: ACCUDYNE SYSTEMS, INC.
    Inventors: Brian J. Waibel, David J. Lawrence, Michael Case