Patents by Inventor David R. Carver

David R. Carver 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: 10227432
    Abstract: A gaseous p-xylylene monomer, formed by reacting xylene with a monatomic oxygen source, is mixed with a functional gaseous monomer. The resulting mixture may be deposited and solidified on a substrate, which may optionally be exposed to a photoinitiating light energy and/or a permittivity enhancing electric or magnetic field. Alternatively, the resulting gaseous mixture may be trapped and condensed in a condenser, which may contain a solvent to facilitate trapping. The condensate may be mixed with a tertiary substance, e.g., another monomer, a reactive substance or an inert material.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: March 12, 2019
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver, Bradford Fulfer, Jaime Gibbs
  • Patent number: 9805869
    Abstract: A solid state electrical energy state storage device includes multiple dielectric layers or an integral heterogeneous dielectric layer. Layers or portions of the heterogeneous layer have permittivity augmented by exposing the dielectric material to electric/magnetic fields during formation of the dielectric before complete solidification. Such exposure results in radicals and/or an ordered matrix. A dielectric for the device may contain a new xylene based polymer formed under atmospheric conditions via reaction with monatomic oxygen and provided an augmented permittivity through exposure of the polymer to a magnetic field and/or an electric field during condensation and solidification on a substrate.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: October 31, 2017
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver, Sean W. Reynolds
  • Patent number: 9214280
    Abstract: Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 15, 2015
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver
  • Patent number: 9214281
    Abstract: Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 15, 2015
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver
  • Publication number: 20150235769
    Abstract: A solid state electrical energy state storage device includes multiple dielectric layers or an integral heterogeneous dielectric layer. Layers or portions of the heterogeneous layer have permittivity augmented by exposing the dielectric material to electric/magnetic fields during formation of the dielectric before complete solidification. Such exposure results in radicals and/or an ordered matrix. A dielectric for the device may contain a new xylene based polymer formed under atmospheric conditions via reaction with monatomic oxygen and provided an augmented permittivity through exposure of the polymer to a magnetic field and/or an electric field during condensation and solidification on a substrate.
    Type: Application
    Filed: December 31, 2012
    Publication date: August 20, 2015
    Inventors: David R. Carver, Robert G. Carver, Sean W. Reynolds
  • Patent number: 8940850
    Abstract: An energy storage device comprises a capacitor having a dielectric between opposite electrodes and a nonconductive coating between at least one electrode and the dielectric. The nonconductive coating allows for much higher voltages to be employed than in traditional EDLCs, which significantly increases energy stored in the capacitor. Viscosity of the dielectric material may be increased or decreased in a controlled manner, such as in response to an applied external stimulus, to control discharge and storage for extended periods of time.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: January 27, 2015
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver, Sean W. Reynolds, Sean Claudius Hall, Noah Anthony Davis
  • Publication number: 20150017342
    Abstract: A gaseous p-xylylene monomer, formed by reacting xylene with a monatomic oxygen source, is mixed with a functional gaseous monomer. The resulting mixture may be deposited and solidified on a substrate, which may optionally be exposed to a photoinitiating light energy and/or a permittivity enhancing electric or magnetic field. Alternatively, the resulting gaseous mixture may be trapped and condensed in a condenser, which may contain a solvent to facilitate trapping. The condensate may be mixed with a tertiary substance, e.g., another monomer, a reactive substance or an inert material.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Inventors: David R. Carver, Robert G. Carver, Bradford Fulfer, Jaime Gibbs
  • Publication number: 20150000833
    Abstract: Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 1, 2015
    Inventors: David R. Carver, Robert G. Carver
  • Publication number: 20150000090
    Abstract: Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 1, 2015
    Inventors: David R. Carver, Robert G. Carver
  • Publication number: 20140139974
    Abstract: An energy storage device comprises a capacitor having a dielectric between opposite electrodes and a nonconductive coating between at least one electrode and the dielectric. The nonconductive coating allows for much higher voltages to be employed than in traditional EDLCs, which significantly increases energy stored in the capacitor. Viscosity of the dielectric material may be increased or decreased in a controlled manner, such as in response to an applied external stimulus, to control discharge and storage for extended periods of time.
    Type: Application
    Filed: January 16, 2014
    Publication date: May 22, 2014
    Applicant: Carver Scientific, Inc.
    Inventors: David R. Carver, Robert G. Carver, Sean W. Reynolds, Sean Claudius Hall, Noah Anthony Davis
  • Patent number: 8633289
    Abstract: An improved process and method for the formation of stable intermediate cyclophanes. Embodiments describe a general method for the production of substituted and unsubstituted cyclophanes. The components include a pyrolysis reaction tube that may be electrically heated into which a flowing stream of nitrous oxide with xylene vapor in an optional inert carrier gas at atmospheric pressure. The exit gas is condensed resulting in the deposition of [2,2?]paracyclophane. Additionally a process and method whereby the reactive intermediates of the reaction described above can be directly deposited and polymerized at atmospheric pressures or thereabout is disclosed.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: January 21, 2014
    Assignee: Carver Scientific, Inc.
    Inventors: David R. Carver, Sean W. Reynolds
  • Publication number: 20130109827
    Abstract: An improved process and method for the formation of stable intermediate cyclophanes. Embodiments describe a general method for the production of substituted and unsubstituted cyclophanes. The components include a pyrolysis reaction tube that may be electrically heated into which a flowing stream of nitrous oxide with xylene vapor in an optional inert carrier gas at atmospheric pressure. The exit gas is condensed resulting in the deposition of [2,2?]paracyclophane. Additionally a process and method whereby the reactive intermediates of the reaction described above can be directly deposited and polymerized at atmospheric pressures or thereabout is disclosed.
    Type: Application
    Filed: August 30, 2012
    Publication date: May 2, 2013
    Applicant: CARVER SCIENTIFIC, INC.
    Inventors: David R. Carver, Sean W. Reynolds
  • Publication number: 20100291160
    Abstract: Non-invasive drug delivery systems useful for the absorption of therapeutically active agents through the epithelial membrane are described. The non-invasive drug delivery system delivers a therapeutic active agent with an ionizable, or ionized, metal, transition metal or metal-containing vehicle. The non-invasive drug delivery system may also have a pH adjustable vehicle which facilitates the absorption of the therapeutic agents by altering the pH of the non-invasive drug delivery system at the site of administration. Also disclosed is a method for the pH “sweeping” of the administered therapeutic active agent to provide a consistent and reproducible absorption of the active agent. Certain formulations utilize low doses of active agents without altering the active agents from their current or previous form.
    Type: Application
    Filed: May 12, 2010
    Publication date: November 18, 2010
    Inventors: David R. Carver, Troy G. Fohrman, Sean William Reynolds
  • Publication number: 20090090999
    Abstract: A method is provided for making a high permittivity dielectric material for use in capacitors. Several high permittivity materials in an organic nonconductive media with enhanced properties and methods for making the same are disclosed. A general method for the formation of thin films of some particular dielectric material is disclosed, wherein the use of organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce low conductivity dielectric coatings. Additionally, a method whereby the formation of certain transition metal salts as salt or oxide matrices is demonstrated at low temperatures utilizing mild reducing agents. Further, a circuit structure and associated method of operation for the recovery and regeneration of the leakage current from the long-term storage capacitors is provided in order to enhance the manufacturing yield and utility performance of such devices.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 9, 2009
    Inventor: David R. Carver
  • Patent number: 6530286
    Abstract: The present invention relates to methods and apparatus useful for detecting and measuring flow of a fluid along a flow path. In a method according to the invention, the temperature of a flowing fluid is altered at a selected location for a selected duration so as to generate a pulse in the fluid moving in a downstream direction along a flow path, and the fluid is monitored at a sensing region to detect the pulse passing therethrough. An apparatus according to the present invention may comprise a conduit, a sensor element disposed therein, an energy source proximate to the conduit, and a controller operative to generate an on signal and an off signal respectively operative to activate and deactivate the energy source. The present invention also relates to a liquid chromatography device having a fluid flow detecting and measuring apparatus according to the present invention.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: March 11, 2003
    Inventors: David R. Carver, Thomas A. Tait
  • Patent number: 5969812
    Abstract: A spectrophotometer measures optical absorption of light by a sample received in a sample cell. An array of optical elements disperses the light over a spectral pattern, and a fiber optic beam splitter splits light at a selected spectral band into a reference component and a test component. Detectors measure the intensity of the reference component and the test component after the test component passes through the sample. The fiber optic beam splitter includes a plurality of strands arranged with first ends terminating in a common circular area. Opposite ends of peripheral strands are collected into a first set that transmits the test component while the remaining strands for a second set that transmits the reference component. Preferably, there is a single, central, large strand surrounded by smaller strands. Two emitters are provided for light of two different types, such as visible and UV. The optical array forms a collimated beam having an inner core of one type of light and an outer shell of the other.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: October 19, 1999
    Inventor: David R. Carver
  • Patent number: 5699156
    Abstract: A spectrophotometer employs an array of optical elements to focus light from at least one, but preferably two light sources onto a fiber optic beam splitter that provides a pickup for a selected bandwidth of wavelengths of light in the spectral pattern. The spectral pattern can include wavelengths in the visible, near infrared and ultraviolet spectrum. To create the spectral pattern, two reflecting prisms having spherical surfaces are used, and the optical elements are arranged so that the two spectral bands from each prism are longitudinally aligned to create the spectral pattern. The prisms are on a motor driven pivot mount so that the spectral pattern may be swept across the pickup. The optical elements and the pickup are sized so that the selected bandwidth is less than twenty nanometers over the spectral pattern. The pickup is formed by a single row of the ends of fiber optic strands which are then collimated into two bundles to transmit a test component and a reference component of light.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: December 16, 1997
    Inventor: David R. Carver
  • Patent number: 5694215
    Abstract: A sample cell assembly employs optics for focusing light though a sample cell, such as one used in electrophoresis. The optical array includes a first cylindrical lens having a central longitudinal axis in a common plane with the longitudinal axis of the sample cell. A second cylindrical lens has its central longitudinal axis oriented transversely to this common plane on another side of the sample cell from the first cylindrical lens. Preferably, a fiber optic beam splitter has a plurality of strands terminating in parallel second ends in the common plane so as to pass light at different longitudinally spaced locations through the sample cell cavity. Here, a plurality of second lenses receive the different light components to focus them respectively on different photodetectors each to create a sample data signal. Where a plurality of sample data signals are generated, processing electronics superimpose them to obtain an augmented signal of aggregate data.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: December 2, 1997
    Inventor: David R. Carver
  • Patent number: 5549830
    Abstract: A method of processing a feed liquid in the form of an extraction solution containing taxane solutes that is an extraction product of a biomass utilizes at least one semipermeable membrane to remove at least one taxane solute from the solvent by reverse osmosis. The feed liquid is placed in a first region on one side of the membrane and pressure is supplied to transport constitutes of the feed liquid across the membrane to a second region as a first permeate while retaining a first retentate in the first region. The taxane solute may be either retained or transported. Where the taxane solute is transported, the method can further include the use of a second semipermeable membrane of a pore size different from the first membrane and supplying a pressure to transport some of the first permeate across the second membrane as a second permeate while retaining a majority of the desired taxane solute as a second retentate.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: August 27, 1996
    Assignee: NaPro BioTherapeutics, Inc.
    Inventors: David R. Carver, Timothy R. Prout, Christopher T. Workman, Charles L. Hughes
  • Patent number: 5350425
    Abstract: A process for reducing vat dyes, such as indigo, into their leuco form by placing a metal, such as aluminum, in water in the presence of a reduction facilitator to form a first solution after which a vat dye having the general structure O.dbd.C(--C.dbd.C--).sub.N C.dbd.O where N=1, 2 or 4 is mixed with the first solution to form a dye solution where substantially all of the vat dye is reduced to its soluble leuco form having the general structure HO--C.dbd.(C--C).sub.N .dbd.C--OH. The process includes dyeing fabric in the dye solution. the reduction facilitator may be a base, for example that produced hydroxide ions in water, and the first solution as well as the dye solution can be a basic solution. The soluble leuco can be isolated from the dye solution and dissolved in a non-aqueous solution. Prior to mixing the vat dye in water, it may first be dissolved in a solvent miscible with water.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: September 27, 1994
    Inventor: David R. Carver