Patents Assigned to 3M Innovative Properties Companies
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Patent number: 11927768Abstract: A display system including an imager for forming an image, and a projection lens system for projecting the image formed by the imager is described. For each pixel in the plurality of pixels, the imager is configured to emit a cone of light having a central ray having a direction that varies with location of the pixel in the imager. The variation may increase a brightness of an image projected through the projection lens system by at least 30 percent. The display system may include a light guide having a light insertion portion adapted to receive light; a light transport portion disposed to receive light from the light insertion portion; and a light extraction portion disposed to receive light from the light transport portion.Type: GrantFiled: April 4, 2022Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Andrew J. Ouderkirk, Timothy L Wong, Erin A. McDowell, Zhisheng Yun, Gilles J. Benoit, Jo A. Etter
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Patent number: 11925746Abstract: One implementation of the present disclosure is a negative pressure wound therapy (NPWT) system, according to some embodiments. In some embodiments, the system includes an instillation system configured to provide instillation fluid to a wound site, and a controller. In some embodiments, the wound site includes a wound and a wound dressing. In some embodiments, the controller is configured to provide a first quantity of instillation fluid for a first instillation cycle. In some embodiments, the controller is configured to determine a second quantity of instillation fluid for a second instillation cycle based on the first quantity and a reduction factor. In some embodiments, the second quantity of instillation fluid is less than the first quantity of instillation fluid. In some embodiments, the controller is configured to adjust an operation of the instillation system to provide the second quantity of instillation fluid to the wound site.Type: GrantFiled: May 5, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: Christopher Brian Locke, Benjamin Andrew Pratt
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Patent number: 11927783Abstract: Optical films, such as reflective polarizer films, and optical systems including the optical films are described. An optical system includes one or more optical lenses having at least one curved major surface, a partial reflector, and a reflective polarizer. For a substantially normally incident light in a predetermined wavelength range extending at least from about 450 nm to about 600 nm: the partial reflector has an average optical reflectance of at least 30%, and the reflective polarizer has an average optical reflectance Rs for a first polarization state, an average optical transmittance Tp for an orthogonal second polarization state, and an average optical reflectance Rp for the second polarization state, where Tp?80%, Rp?1%, and 50%?Rs?95%.Type: GrantFiled: July 11, 2019Date of Patent: March 12, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: John D. Le, Zhisheng Yun, Timothy L. Wong, Timothy J. Nevitt, Adam D. Haag, Arthur L. Kotz
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Patent number: 11927926Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining causal models for controlling environments. One of the methods includes repeatedly selecting control settings for the environment based on (i) a causal model that identifies causal relationships between possible settings for controllable elements in the environment and environment responses that reflect a performance of the control system in controlling the environment and (ii) current values of a set of internal parameters; and during the repeatedly selecting: monitoring environment responses to the selected control settings; determining, based on the environment responses, an indication that one or more properties of the environment have changed; and in response, modifying the current values of one or more of the internal parameters.Type: GrantFiled: September 11, 2019Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: Brian E. Brooks, Gilles J. Benoit, Peter O. Olson, Tyler W. Olson, Himanshu Nayar, Frederick J. Arsenault, Nicholas A. Johnson
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Patent number: 11925522Abstract: A custom tool for forming a dental restoration in a mouth of a patient includes a first mold body providing for a customized fit with at least one tooth of the patient. The first mold body includes a portion corresponding with at least a first surface of the tooth and an interproximal portion corresponding with an interproximal surface of the tooth, the interproximal portion being of unitary construction. The first mold body is configured to combine with the tooth of the patient to form a mold cavity encompassing a first portion of missing tooth structure of the tooth.Type: GrantFiled: August 27, 2021Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: James D. Hansen, Joseph C. Dingeldein, Mary C. Doruff
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Patent number: 11925747Abstract: A dressing interface includes a base that has an aperture and a plurality of microneedles that are attached to the base and disposed over the aperture. The interface also includes a port that is configured to receive a fluid conductor and a conduit that couples the port and the aperture. Each of the microneedles contains a passageway that is fluidly coupled to the aperture. The interface may be used with a drape that is placed over a tissue site. The interface may provide communication between the tissue site and a reduced-pressure source through the microneedles piercing the drape rather than by cutting a hole in the drape.Type: GrantFiled: August 25, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventor: Prathamesh Madhav Kharkar
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Patent number: 11926782Abstract: A magnetizable abrasive particle is presented. The magnetizable abrasive particle has a ceramic particle having an outer surface. The magnetizable abrasive particle also has a magnetic coating layer applied to the outer surface of the ceramic particle prior to sintering. The sintered magnetizable particle is responsive to a magnetic field.Type: GrantFiled: October 12, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Property CompanyInventors: Sergei A. Manuilov, Adam D. Milller, Laura M. Lara Rodriguez, Dwight D. Erickson, Anatoly Z. Rosenflanz
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Patent number: 11925526Abstract: A custom tool for bonding orthodontic appliances in a mouth of a patient, the custom tool comprising: a facial body for a patient-specific, customized fit with the facial side of a plurality of teeth of the patient, a lingual body for a patient-specific, customized fit with the lingual side of the plurality of the teeth of the patient, wherein the lingual body. wherein the facial body and lingual body are configured to combine with the teeth of the patient to position orthodontic appliances on the plurality of teeth.Type: GrantFiled: December 16, 2020Date of Patent: March 12, 2024Assignee: 3M Innovative Properties CompanyInventors: James D. Hansen, Joseph C. Dingeldein, John M. Pilgrim
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Patent number: 11920102Abstract: A deposition composition includes a solvent comprising a hydrofluorothioether compound represented by the following general formula (I): Rf—S—Rh where Rf is a fluorinated or perfluorinated group having 2-9 carbon atoms and optionally includes one or more catenated heteroatoms or chlorine atoms, and Rh is a non-fluorinated hydrocarbon group having 1-3 carbon atoms. The deposition composition further includes a coating material that is soluble or dispersible in said solvent.Type: GrantFiled: January 21, 2021Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jason M. Kehren, David J. Lundberg, Zai-Ming Qiu, Michael G. Costello, Michael J. Bulinski, Alexandre R. Monteil
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Patent number: 11923112Abstract: A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is ?1, the center-to-center spacing of the insulated conductors of the second conductor set is ?2, and ?1/?2 is greater than 0.7.Type: GrantFiled: April 7, 2022Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Douglas B. Gundel, Rocky D. Edwards, Mark M. Lettang, Charles F. Staley
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Patent number: 11919788Abstract: Methods of treating a water sample containing both free fluoride and fluorinated organic compounds are described. The methods are effective at removing high amounts of the free fluoride while retaining high amounts of the fluorinated organic compounds. The methods include combining the water sample with a hexaalkyldisiloxane, a strong acid and a compatibilizing solvent; reacting the free fluoride with the disiloxane; and removing the fluorinated reaction product.Type: GrantFiled: July 6, 2022Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventor: Phanasouk Vorarath
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Patent number: 11921299Abstract: A display system includes a display panel configured to emit a polarized image light having a first polarization state and at least one emission spectrum having a full width at half maxima (FWHM). The display system includes a reflective polarizer configured to receive and reflect the polarized image light as a first reflected polarized image light. For a first light incident at a first predetermined angle, the reflective polarizer has an average reflectance of greater than about 60% across the at least one emission spectrum for the first polarization state, a transmittance of at least about 50% for at least wavelength outside the FWHM of the at least one emission spectrum for the first polarization state, and an average total transmittance of greater than about 70% across a visible wavelength range including the FWHM of the at least one emission spectrum for an orthogonal second polarization state.Type: GrantFiled: November 23, 2021Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Adam D. Haag, Stephan J. Pankratz, Matthew B. Johnson, William F. Edmonds
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Patent number: 11918730Abstract: A porous conduit may be suitable for use in treating a tissue site, and may include a central lumen and a porous wall positioned substantially concentric about the central lumen. The porous wall may have an open porous structure that may define a plurality of interconnected pores in fluid communication with one another. As part of a system, the porous conduit may be used with a manifold adapted to be positioned at a tissue site, a sealing drape adapted to cover the manifold to provide a sealed space relative to the tissue site, and a therapy device including a reduced-pressure source. The porous conduit may be disposed in the sealed space and in fluid communication between the sealed space and the reduced-pressure source.Type: GrantFiled: April 14, 2020Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventors: Timothy Mark Robinson, Christopher Brian Locke
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Patent number: 11919027Abstract: A spray gun cup lid is disclosed comprising a modular lid base and a modular liquid outlet that is formed independently of the modular lid base and is connected at an interface to the modular lid base. The modular liquid outlet comprises an outlet connection member to allow connection to a compatible spray gun.Type: GrantFiled: May 5, 2021Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventors: Dominic M. Pitera, Stephen C. P. Joseph, Scott D. Gullicks
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Patent number: 11918837Abstract: There is provided a fit testing method comprising: providing a respirator donned by a wearer; providing a sensor in electrical communication with a sensing element, where the sensor is configured to monitor a particulate concentration parameter of a gas space within the respirator, and a second particulate concentration parameter of a gas space outside the respirator, where the sensor is attached to the respirator such that the respirator such that the weight of the sensor is supported by the respirator; and providing a reader configured to communicate with the sensor, where the reader is configured to provide a respirator fit parameter based on a comparison of the particulate concentration within the respirator to the particulate concentration parameter outside the respirator.Type: GrantFiled: August 31, 2018Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventors: Richard C. Webb, Andrew S. Viner, Daniel B. Taylor, Jessica L. T. Hauge, Jennifer L. Kamarainen, Jacob P. Vanderheyden, Silvia G. Guttmann, Kenneth B. L. Stanford
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Patent number: 11920067Abstract: Pressure-sensitive adhesive compositions and articles that include a layer of the pressure-sensitive adhesive compositions are provided. The pressure-sensitive adhesive compositions are particularly well suited for use with substrates that have been considered to have difficult to bond to surfaces such as those routinely encountered in the automotive industry. For example, the pressure-sensitive adhesive can be adhered to clear coat compositions, painted surfaces, and various polymeric materials having low energy surfaces (e.g., surfaces having a surface energy no greater than 35 dynes per centimeter).Type: GrantFiled: December 12, 2017Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventors: Thomas Q. Chastek, Robert D. Waid, Shujun J. Wang, Ross J. DeVolder, Doreen Eckhardt
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Patent number: 11920063Abstract: The present invention is an oil-resistant adhesive composition including a hydroxy alkyl (meth)acrylate having an alkyl group containing 2 to 4 carbons, a short alkyl (meth)acrylate having an alkyl group containing 6 or less carbons, and a photo-initiator. After the adhesive composition is soaked in oleic acid at room temperature for 7 days, the adhesive composition has an expansion percent of less than about 10%.Type: GrantFiled: May 5, 2020Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Encai Hao, Jason D. Clapper, Albert I. Everaerts, Richard B. Ross
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Patent number: 11921373Abstract: A backlight includes an extended light source adapted to emit light. A reflective polarizer is disposed on the extended light source, such that for substantially normally incident light and for at least a first wavelength in a range from about 420 nanometer (nm) to about 650 nm, the reflective polarizer reflects at least 60% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. A first prismatic film is disposed between the extended light source and the reflective polarizer. A retarder layer is disposed between the reflective polarizer and the first prismatic film, such that for substantially normally incident light at a wavelength of about 550 nm, the retarder layer has a retardance nW, where n is an integer ?1 and W is a wavelength between about 160 nm and about 300 nm.Type: GrantFiled: February 1, 2021Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kristy A. Gillette, Michelle L Toy, William Blake Kolb, Jonah Shaver, Jason S. Petaja
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Patent number: 11919984Abstract: A curable composition comprising a fluorinated amorphous fluoropolymer, and a blend of polysulfonamide and polyol crosslinking agents.Type: GrantFiled: February 13, 2019Date of Patent: March 5, 2024Assignee: 3M Innovative Properties CompanyInventors: Jiyoung Park, Tatsuo Fukushi, Miguel A. Guerra, Chetan P. Jariwala, Klaus Hintzer
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Patent number: D1016497Type: GrantFiled: July 29, 2020Date of Patent: March 5, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Thomas R. Corrigan