Patents by Inventor Shannon Reuben Woodruff
Shannon Reuben Woodruff 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: 20230158738Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The antioxidant agent can include a liquid vehicle with water and from about 0.5 wt % to about 15 wt % hindered phenolic antioxidant dispersed in the liquid vehicle.Type: ApplicationFiled: March 23, 2020Publication date: May 25, 2023Inventors: EMRE HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, GRACIELA EMMA NEGRI JIMENEZ, JASON CHRISTOPHER BUTLER
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Publication number: 20230159776Abstract: A three-dimensional printing kit can include a polymeric build material including thermoplastic elastomeric particles having a D50 particle size from about 2 ?m to about 150 ?m, and a fusing agent. The fusing agent can include water, from about 5 wt % to about 40 wt % lower alkyldiol organic co-solvent, and a radiation absorber to generate heat from absorbed electromagnetic radiation.Type: ApplicationFiled: March 31, 2020Publication date: May 25, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Qin Liu, Tienteh Chen, Shannon Reuben Woodruff
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Publication number: 20230144669Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material and an aqueous agent. The particulate build material can include from about 90 wt % to 100 wt % of a mixture of a powdered polyhydroxylated swellable polymer dry blended with powdered water-soluble crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer. The aqueous agent can include water and an organic co-solvent, and the aqueous agent may not include the crosslinker.Type: ApplicationFiled: April 10, 2020Publication date: May 11, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Jacob Wright, Carolin Fleischmann, Graciela Emma Negri Jimenez
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Patent number: 11643565Abstract: Disclosed herein are compositions for three-dimensional printing. In an example, disclosed herein is a composition for three-dimensional printing comprising: (A) a powder build material; (B) a first fusing agent; (C) a second fusing agent different from the first fusing agent; (D) a detailing agent; (E) a cyan ink composition; (F) a yellow ink composition; (G) a magenta ink composition; and (H) a black ink composition.Type: GrantFiled: February 6, 2018Date of Patent: May 9, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Alexey S Kabalnov, Stephen G Rudisill, Jesiska Tandy, Graciela Emma Negri Jimenez, Shannon Reuben Woodruff, Jason Butler
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Patent number: 11642844Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of three-dimensional printing. In one example, a multi-fluid kit for three-dimensional printing can include a binder agent and an adhesion promoter agent. The binder agent can include water and latex particles in an amount from about 5 wt % to about 30 wt % based on the total weight of the binder agent. The adhesion promoter can include water and an adhesion promoter that includes catechol or a non-polymeric catechol derivative.Type: GrantFiled: August 6, 2019Date of Patent: May 9, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Tienteh Chen, Shannon Reuben Woodruff
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Publication number: 20230139495Abstract: A three-dimensional printing kit can include a powder bed material including from about 80 wt% to about 99.5 wt% thermoplastic elastomeric particles having a D50 particle size from about 2 µm to about 150 µm and from about 0.5 wt% to about 6 wt% C12-C24 straight-chain alkyl carboxylate. The three-dimensional printing kit can also include a fusing agent including water, organic co-solvent, and a radiation absorber to generate heat from absorbed electromagnetic radiation.Type: ApplicationFiled: April 3, 2020Publication date: May 4, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Alay Yemane
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Patent number: 11628619Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a semi-crystalline or amorphous thermoplastic polymer having a predicted total dimension change during 3D printing ranging from about ?4% to about 9%. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the semi-crystalline or amorphous thermoplastic polymer in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber has absorption at wavelengths ranging from 800 nm to 4000 nm and has transparency at wavelengths ranging from 400 nm to 780 nm.Type: GrantFiled: July 14, 2022Date of Patent: April 18, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kenneth Flack, Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan
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Patent number: 11613670Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a thermoplastic elastomer having: an avalanche angle ranging from about 49 degrees to about 59 degrees; a break energy ranging from about 55 kJ/kg to about 78 kJ/kg; and an avalanche energy ranging from about 10 kJ/kg to about 27 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer in the at least the portion.Type: GrantFiled: June 18, 2018Date of Patent: March 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Publication number: 20230081448Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material, a crosslinking agent, a whitening agent, and a coloring agent. The particulate build material can include a polyhydroxylated swellable polymer. The crosslinking agent can include water and a crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer. The whitening agent can include water and a dispersed white pigment. The coloring agent can include water and a colorant.Type: ApplicationFiled: March 4, 2020Publication date: March 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Jacob Wright, Graciela Emma Negri Jimenez
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Publication number: 20230081047Abstract: A three-dimensional printing kit can include a polymeric build material including from about 80 wt % to 100 wt % polymer particles having an average particle size from about 10 ?m to about 150 ?m and from about 0.01 wt % to about 2 wt % dihydrazide, and a fusing agent formulation including an aqueous liquid vehicle and a radiation absorber.Type: ApplicationFiled: March 11, 2020Publication date: March 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Shannon Reuben Woodruff, Mariya Gelman, Jesiska Tandy, Alay Yemane
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Publication number: 20230063606Abstract: An example of a kit for three-dimensional printing includes a build material composition and a crosslinking agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition of the kit includes an amorphous polymeric material. The crosslinking composition of the kit includes a crosslinking agent to crosslink with the amorphous polymeric material in the at least the portion, to yield a crosslinked polymer network.Type: ApplicationFiled: January 20, 2020Publication date: March 2, 2023Inventors: EMRE HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, CAROLIN FLEISCHMANN
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Patent number: 11591486Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having a melt enthalpy ranging from greater than 5 J/g to less than 150 J/g. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion. The fusing agent is a core fusing agent and the energy absorber has absorption at least at wavelengths ranging from 400 nm to 780 nm; or the fusing agent is a primer fusing agent and the energy absorber is a plasmonic resonance absorber having absorption at wavelengths ranging from 800 nm to 4000 nm and having transparency at wavelengths ranging from 400 nm to 780 nm.Type: GrantFiled: June 19, 2018Date of Patent: February 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Patent number: 11590696Abstract: An example of a three-dimensional (3D) printing composition includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes one of: (i) a thermoplastic elastomer having a flow parameter characterized by a consolidation resistance value ranging from about 8 to about 30, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps; or (ii) a polyamide-like material having a flow parameter characterized by a consolidation resistance value ranging from about 75 to about 120, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer or the polyamide-like material in the at least the portion.Type: GrantFiled: June 25, 2018Date of Patent: February 28, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Carolin Fleischmann, Erica Fung, Jesiska Tandy, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack, Carmina Querol Esparch
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Publication number: 20230050446Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The antioxidant agent can include water and a dispersion of a secondary antioxidant.Type: ApplicationFiled: January 9, 2020Publication date: February 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Graciela Emma Negri Jimenez, Shannon Reuben Woodruff, Jason Christopher Butler
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Patent number: 11577459Abstract: An example of a shipping and handling fluid for a three-dimensional (3D) printer is disclosed. The shipping and handling fluid includes a co-solvent, a first sugar alcohol, a second sugar alcohol, a surfactant, and a balance of water. The first sugar alcohol includes a ring structure, and the second sugar alcohol has a linear structure.Type: GrantFiled: March 23, 2018Date of Patent: February 14, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Shannon Reuben Woodruff, Thomas M. Sabo, Hector Lebron
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Publication number: 20230029475Abstract: This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material and a crosslinking agent. The particulate build material can include from about 90 wt % to 100 wt % of a polyhydroxylated swellable polymer. The crosslinking agent can include water and a crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer.Type: ApplicationFiled: January 30, 2020Publication date: February 2, 2023Inventors: EMRE HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, JACOB WRIGHT, GRACIELA EMMA NEGRI JIMENEZ, CAROLIN FLEISCHMANN
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Publication number: 20230035432Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a chemical functionalization agent. The fusing agent can include water and an electromagnetic radiation absorber. The electromagnetic radiation absorber can absorb radiation energy and convert the radiation energy to heat. The chemical functionalization agent can include water and an amine-containing polymer. The amine-containing polymer can be a branched or unbranched polymer that includes a polymer backbone and multiple pendant side chains. The individual side chains can include —NH2, —NH—, or a combination thereof.Type: ApplicationFiled: December 11, 2019Publication date: February 2, 2023Inventors: EMRE HIRO DISCEKICI, GRACIELA EMMA NEGRI JIMENEZ, SHANNON REUBEN WOODRUFF
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Publication number: 20230035064Abstract: A three-dimensional printing kit can include a polymeric build material and a fusing agent. The polymeric build material can include polymer particles having a D50 particle size from about 2 ?m to about 150 ?m. The fusing agent can include an aqueous liquid vehicle including water and an organic co-solvent, a radiation absorber to generate heat from absorbed electromagnetic radiation, and from about 2 wt % to about 15 wt % of a carbamide-containing compound.Type: ApplicationFiled: January 29, 2020Publication date: February 2, 2023Inventors: Emre Hiro DISCEKICI, Shannon Reuben WOODRUFF, Greg Scott LONG
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Publication number: 20230020902Abstract: A three-dimensional printing kit can include a fusing agent including water and a radiation absorber and a build material that can include from 95 wt % to 100 wt % of annealed polyether polyamide copolymer particles that can have a D50 particle size from about 2 ?m to about 150 ?m.Type: ApplicationFiled: January 10, 2020Publication date: January 19, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Carolin Fleischmann, Jesiska Tandy, Shannon Reuben Woodruff, Alay Yemane
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Publication number: 20230001630Abstract: The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a tinted anti-coalescing agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The tinted anti-coalescing agent can include an aqueous liquid vehicle, a colored dye dissolved in the aqueous liquid vehicle, and an organosilane. The organosilane can have a central silicon atom covalently coupled to multiple hydrolysable groups and to an organic group by covalent bonding to a carbon atom in the organic group, wherein the organic group is not susceptible to hydrolysis.Type: ApplicationFiled: December 9, 2019Publication date: January 5, 2023Inventors: GRACIELA EMMA NEGRI JIMENEZ, EMRI HIRO DISCEKICI, SHANNON REUBEN WOODRUFF, JACOB WRIGHT