Patents by Inventor David Finch
David Finch 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: 11958259Abstract: A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.Type: GrantFiled: October 18, 2022Date of Patent: April 16, 2024Assignee: Baker Hughes Energy Technology UK LimitedInventors: Majeed Al-Zubaidy, Neville Dodds, Vineet Jha, James Latto, David Finch
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Publication number: 20230302267Abstract: The disclosure relates to a subcutaneously implanted port device for establishing access to the vascular system of a patient requiring multiple blood treatments over an extended period of time. The systems, devices and methods disclosed herein may reduce miscannulation, promote intra-session hemostasis, and decrease the incidence of bacteremia and sepsis among other improvements and advantages. The devices include a port with a tapered seat for receiving an access tube, the first tapered seat having a proximal portion, a distal portion, and a conical section extending between the proximal portion and the distal portion; and an interface surface configured to engage a blood vessel or a vascular access catheter. The proximal portion of the tapered seat is configured to receive the access tube therethrough, and the tapered seat creates a mismatch fit with a diameter of the access tube when in use for an increase in flow during treatment.Type: ApplicationFiled: May 16, 2023Publication date: September 28, 2023Applicant: Proviflo, LLCInventor: Charles David Finch, JR.
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Patent number: 11690991Abstract: The disclosure relates to a subcutaneously implanted port device for establishing access to the vascular system of a patient requiring multiple blood treatments over an extended period of time. The systems, devices and methods disclosed herein may reduce miscannulation, promote intra-session hemostasis, and decrease the incidence of bacteremia and sepsis among other improvements and advantages. The devices include a port with a tapered seat for receiving an access tube, the first tapered seat having a proximal portion, a distal portion, and a conical section extending between the proximal portion and the distal portion; and an interface surface configured to engage a blood vessel or a vascular access catheter. The proximal portion of the tapered seat is configured to receive the access tube therethrough, and the tapered seat creates a mismatch fit with a diameter of the access tube when in use for an increase in flow during treatment.Type: GrantFiled: September 27, 2019Date of Patent: July 4, 2023Assignee: PROVIFLO, LLCInventor: Charles David Finch, Jr.
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Patent number: 11667739Abstract: Provided is a process of making polymeric beads comprising (a) providing a suspension of monomer droplets in an aqueous medium at pH of 7 or less, wherein the monomer droplets comprise one or more monofunctional vinyl monomers, one or more multifunctional vinyl monomers, and one or more initiators, wherein the aqueous medium comprises one or more derivatives of a nitrite salt in an amount, by weight based on the weight of the aqueous medium, of 0.005% to 0.5%, (b) initiating polymerization of the monomer, wherein no pH-raising substance is added after beginning step (b) until 60% or more by weight of all monofunctional monomer has been converted to polymer.Type: GrantFiled: September 21, 2018Date of Patent: June 6, 2023Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: Andrew M. Savo, John David Finch, Thomas Jones
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Publication number: 20230030995Abstract: A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.Type: ApplicationFiled: October 18, 2022Publication date: February 2, 2023Inventors: Majeed AL-ZUBAIDY, Neville DODDS, Vineet JHA, James LATTO, David FINCH
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Patent number: 11529781Abstract: A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.Type: GrantFiled: September 28, 2017Date of Patent: December 20, 2022Assignee: Baker Hughes Energy Technology UK LimitedInventors: Majeed Al-Zubaidy, Neville Dodds, Vineet Jha, James Latto, David Finch
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Publication number: 20220388225Abstract: A method of manufacturing an armour layer of a flexible pipe for transporting fluid from a subsea location and apparatus are provided. The method comprises winding a first length of composite tape to form a first section of the armour layer and positioning an end region of the first length of composite tape over an end region of a second length of composite tape to form an overlapping tape section. Heat and pressure is applied to the overlapping tape section to form a joined overlapping tape section in which the first length of tape is joined to the second length of tape such that the joined overlapping tape section has a lap shear strength of at least 11 MPa. The joined overlapping tape section and the second length of composite tape are wound to form a second section of the armour layer.Type: ApplicationFiled: November 9, 2020Publication date: December 8, 2022Inventors: David FINCH, Christopher DAWSON, Wayne CALDWELL-BARR, Majeed AL-ZUBAIDY, Angelos MINTZAS
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Patent number: 11369953Abstract: Provided is a resin composition comprising (a) a collection of resin beads, wherein the collection of resin beads has pH of 8 or above, and wherein the collection of resin beads has volume average diameter of 150 ?m to 2,000 ?m; and (b) a collection of inorganic particles, wherein the inorganic particles contain one or more alkaline earths, and wherein the collection of inorganic particles has volume average diameter of 0.5 ?m to 50 ?m. Also provided is a method of processing an aqueous composition using such a composition.Type: GrantFiled: November 30, 2017Date of Patent: June 28, 2022Inventors: Collin H. Martin, John David Finch, Takashi Masudo, Daika Kouzaki
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Patent number: 11292855Abstract: Provided is a collection of polymer beads, wherein the volume distribution expressed as a function of bead diameter comprises (A1) a first peak having a maximum of PM1 at diameter PD1 and having full width at half maximum of 75 ?m or less, (A2) a second peak having a maximum of PM2 at diameter PD2 and having full width at half maximum of 75 ?m or less; and (B1) a valley having a minimum value of VM1 at a diameter between PD1 and PD2, wherein VM1 is less than 0.25*PM1 and VM1 is also less than 0.25*PM2. wherein the polymer beads comprise polymerized units of one or more monofunctional vinyl monomer and one or more multifunctional vinyl monomer.Type: GrantFiled: November 6, 2017Date of Patent: April 5, 2022Assignees: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC, DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: John David Finch, James A. Jagodzinski
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Publication number: 20220001372Abstract: A method for producing an ion exchange resin. The method comprises steps of: (a) providing a basic ion exchange resin in the acidic form which comprises amino polyol groups and has a volume % swell from 15 to 30% upon conversion from the basic form to the acidic form, and (b) washing the resin with water or aqueous acid.Type: ApplicationFiled: November 19, 2019Publication date: January 6, 2022Inventors: John David FINCH, Katsuya TAKUWA
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Patent number: 10988558Abstract: Provided is a method of making a collection of polymer beads comprising (a1) forming a first collection of monomer droplets in an aqueous medium in a container, wherein the first collection of monomer droplets has volume-average diameter DAV1 and has uniformity coefficient less than 1.3; (a2) forming a second collection of monomer droplets in the aqueous medium in the container, wherein the second collection of monomer droplets has volume-average diameter DAV2 and has uniformity coefficient less than 1.3, wherein DAV1 and DAV2 differ by 10 ?m or more; wherein either step (a1) and step (a2) are performed simultaneously; or step (a2) is performed after step (a1), while the first collection of monomer droplets remains in the container; or a combination thereof; and (b) after steps (a1) and (a2), polymerizing the monomer droplets by suspension polymerization to form the polymer beads.Type: GrantFiled: November 6, 2017Date of Patent: April 27, 2021Assignees: DDP SPECIALTY ELECTRONIC MATERIALS US, INC., DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: John David Finch, James A. Jagodzinski
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Publication number: 20200330974Abstract: Provided is a resin composition comprising (a) a collection of resin beads, wherein the collection of resin beads has pH of 8 or above, and wherein the collection of resin beads has volume average diameter of 150 ?m to 2,000 ?m; and (b) a collection of inorganic particles, wherein the inorganic particles contain one or more alkaline earths, and wherein the collection of inorganic particles has volume average diameter of 0.5 ?m to 50 ?m. Also provided is a method of processing an aqueous composition using such a composition.Type: ApplicationFiled: November 30, 2017Publication date: October 22, 2020Inventors: Collin H. Martin, John David Finch, Takashi Masudo, Daika Kouzaki
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Publication number: 20200277410Abstract: Provided is a process of making polymeric beads comprising (a) providing a suspension of monomer droplets in an aqueous medium at pH of 7 or less, wherein the monomer droplets comprise one or more monofunctional vinyl monomers, one or more multifunctional vinyl monomers, and one or more initiators, wherein the aqueous medium comprises one or more derivatives of a nitrite salt in an amount, by weight based on the weight of the aqueous medium, of 0.005% to 0.5%, (b) initiating polymerization of the monomer, wherein no pH-raising substance is added after beginning step (b) until 60% or more by weight of all monofunctional monomer has been converted to polymer.Type: ApplicationFiled: September 21, 2018Publication date: September 3, 2020Inventors: Andrew M. Savo, John David Finch, Thomas Jones
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Patent number: 10662271Abstract: Provided is a method of making droplets distributed in an aqueous medium comprising bringing into contact (i) an organic solution comprising 0.002% or more of one or more boronic acids, by weight based on the weight of the organic solution, and (ii) an aqueous solution comprising polyvinyl alcohol.Type: GrantFiled: December 15, 2016Date of Patent: May 26, 2020Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: Andrew M. Savo, Matthew D. Reichert, John David Finch, Lester H. Mcintosh, III, Robert Johnson, Alfred K. Schultz
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Patent number: 10654951Abstract: Provided is a composition comprising droplets distributed in an aqueous medium, wherein the droplets comprise one or more boronic acids, and wherein the aqueous medium comprises polyvinyl alcohol.Type: GrantFiled: December 15, 2016Date of Patent: May 19, 2020Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: Andrew M. Savo, Matthew D. Reichert, John David Finch, Lester H. Mcintosh, III, Robert Johnson, Alfred K. Schultz
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Patent number: 10640580Abstract: Provided is a method of suspension polymerization comprising (I) providing a composition comprising droplets distributed in an aqueous medium, wherein the droplets comprise one or more boronic acids, one or more monomers, and one or more initiators, and wherein the aqueous medium comprises polyvinyl alcohol; wherein the one or more boronic acids are present in an amount of 0.002% or more, by weight based on the weight of the droplets, and (II) stressing the composition so that the initiator initiates polymerization of the monomer.Type: GrantFiled: December 15, 2016Date of Patent: May 5, 2020Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLCInventors: Andrew M. Savo, Matthew D. Reichert, John David Finch, Lester H. Mcintosh, III, Robert Johnson, Alfred K. Schultz
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Publication number: 20200048386Abstract: Provided is a method of making a collection of polymer beads comprising (a1) forming a first collection of monomer droplets in an aqueous medium in a container, wherein the first collection of monomer droplets has volume-average diameter DAV1 and has uniformity coefficient less than 1.3; (a2) forming a second collection of monomer droplets in the aqueous medium in the container, wherein the second collection of monomer droplets has volume-average diameter DAV2 and has uniformity coefficient less than 1.3, wherein DAV1 and DAV2 differ by 10 ?m or more; wherein either step (a1) and step (a2) are performed simultaneously; or step (a2) is performed after step (a1), while the first collection of monomer droplets remains in the container; or a combination thereof; and (b) after steps (a1) and (a2), polymerizing the monomer droplets by suspension polymerization to form the polymer beads.Type: ApplicationFiled: November 6, 2017Publication date: February 13, 2020Inventors: John David Finch, James A. Jagodzinski
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Publication number: 20200038645Abstract: The disclosure relates to a subcutaneously implanted port device for establishing access to the vascular system of a patient requiring multiple blood treatments over an extended period of time. The systems, devices and methods disclosed herein may reduce miscannulation, promote intra-session hemostasis, and decrease the incidence of bacteremia and sepsis among other improvements and advantages. The devices include a port with a tapered seat for receiving an access tube, the first tapered seat having a proximal portion, a distal portion, and a conical section extending between the proximal portion and the distal portion; and an interface surface configured to engage a blood vessel or a vascular access catheter. The proximal portion of the tapered seat is configured to receive the access tube therethrough, and the tapered seat creates a mismatch fit with a diameter of the access tube when in use for an increase in flow during treatment.Type: ApplicationFiled: September 27, 2019Publication date: February 6, 2020Applicant: Proviflo, LLCInventor: Charles David Finch, JR.
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Publication number: 20200031071Abstract: A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.Type: ApplicationFiled: September 28, 2017Publication date: January 30, 2020Inventors: Majeed AL-ZUBAIDY, Neville DODDS, Vineet JHA, James LATTO, David FINCH
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Publication number: 20190380898Abstract: A tilt-tip moldable bed system for the care of immobile patients is provided. The bed system may include a moldable mattress having a casing with a bladder defining an inner volume and a top compliant surface over a top surface of the bladder, the compliant surface configured to conform to a shape of a displacing structure. The bladder may be configured to hold a plurality of beads suspended in a fluid medium. The moldable mattress may be molded while inflated and maintain a resilient shape when evacuated. The system may further include a supporting frame for the moldable support structure having a laterally rigid outer rim with at least one attachment point for the moldable mattress, at least one attachment point for a netted sling, and one or more mounting tracks configured to support at least one peripheral attachment.Type: ApplicationFiled: August 29, 2019Publication date: December 19, 2019Inventors: Charles David Finch, JR., Scott Goodwin, Jon Yamamoto