Patents by Inventor Jens Treu
Jens Treu 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: 11279053Abstract: Disclosed is a blade unit for a safety razor comprising a connecting structure for fixing the blade unit to a handle, a blade housing comprising a plurality of blades having cutting edges lying in a shaving plane, and a rear portion next to the plurality of blades, comprising a non-flexible back portion extending parallel to the shaving plane, and a lubricating pad having a flexible portion and a non-flexible portion, the non-flexible portion being arranged on and supported by the non-flexible back portion, the flexible portion extending rearwards from the non-flexible portion beyond the non-flexible back portion to define a rear edge of the rear portion of the blade unit, the flexible portion forming a convex skin-contacting surface when bending away from the shaving plane in use.Type: GrantFiled: April 27, 2015Date of Patent: March 22, 2022Assignee: KAI R&D CENTER CO., LTD.Inventors: Michael Lessmann, Jens Treu, Kesen Zeng, Yvonne Neumann, Hiroyuki Nakasuka
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Patent number: 10870212Abstract: The present disclosure describes a blade unit (10) for a safety razor (8). The blade unit comprises a blade housing (12), a plurality of blades (18) disposed within the blade housing (12) to expose respective cutting edges (20) suitable for shaving, and a blade carrier supporting the plurality of blades (18). The blade housing (12) has a base on which the blade carrier is supported. The plurality of blades (18) and the blade carrier being displaceable downwards towards the base of the blade housing (12) during shaving, wherein an amount of downward displacement of the plurality of blades (18) and the blade carrier is limited by one or more protrusions extending upwards from the base of the blade housing (12).Type: GrantFiled: September 9, 2015Date of Patent: December 22, 2020Assignee: BEIERSDORF AGInventors: Jens Treu, Michael Lessmann, Kesen Zeng, Yvonne Neumann, Ralf Hagens, Philip Drescher
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Patent number: 10807258Abstract: Disclosed is a blade unit for a safety razor, comprising a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, and the cap including a convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. A skin-contacting surface of the convex lubricating pad is greater than a skin-contacting surface of the elongate lubricating strip, the convex lubricating pad and the elongate lubricating strip together extend along at least 60% of an outer perimeter of the blade unit, and the convex lubricating pad extends along at least 30% of the outer perimeter of the blade unit.Type: GrantFiled: July 24, 2015Date of Patent: October 20, 2020Assignee: BEIERSDORF AGInventors: Michael Lessmann, Jens Treu, Kesen Zeng, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens, Philip Drescher
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Patent number: 10792827Abstract: Described is a razor handle in the form of an elongated body. The handle has a razor head end with a structure for connecting to a razor head and a free end opposite the razor head end. The handle further has a lower surface on the same side as the cutting edges of the blades when the razor head is connected to the razor handle and an upper surface opposite the lower surface. On the upper surface there is a first gripping area for providing a first gripping position for a finger or thumb of the user and a second gripping area for providing a second gripping position for the finger or thumb. The first and second gripping areas having textured surfaces and are separated from one another by a smooth area of the upper surface.Type: GrantFiled: January 24, 2017Date of Patent: October 6, 2020Assignee: BEIERSDORF AGInventors: Jens Treu, Michael Lessmann, Yvonne Neumann, Kesen Zeng
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Patent number: 10717202Abstract: Disclosed is a blade unit for a safety razor, comprising: a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, the cap including a non-flexible concave back portion supporting a convex lubricating pad, the convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. No separate frame is provided around an outer perimeter for fixing the convex lubricating pad, so that the convex lubricating pad rear edge meets flush with the non-flexible concave back portion, providing a smooth, lubricated rear edge of the blade unit.Type: GrantFiled: July 24, 2015Date of Patent: July 21, 2020Assignee: BEIERSDORF AGInventors: Michael Lessmann, Jens Treu, Kesen Zeng, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens, Philip Drescher
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Patent number: 10391653Abstract: Embodiments of the invention include a blade unit for a safety razor, comprising: a connecting structure configured to fix the blade unit to a handle; a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a rear portion arranged next to the plurality of blades in the shaving direction, comprising a non-flexible concave back portion that arcuately bends away from the shaving plane, and a convex lubricating pad arranged on and being supported by the non-flexible concave back portion and which extends up to a rear edge of the rear portion of the blade unit.Type: GrantFiled: April 27, 2015Date of Patent: August 27, 2019Assignee: BEIERSDORF AGInventors: Michael Lessmann, Jens Treu, Kesen Zeng, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens, Philip Drescher
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Publication number: 20180264663Abstract: The present disclosure describes a blade unit (10) for a safety razor (8). The blade unit comprises a blade housing (12), a plurality of blades (18) disposed within the blade housing (12) to expose respective cutting edges (20) suitable for shaving, and a blade carrier supporting the plurality of blades (18). The blade housing (12) has a base on which the blade carrier is supported. The plurality of blades (18) and the blade carrier being dispiaceabie downwards towards the base of the blade housing (12) during shaving, wherein an amount of downward displacement of the plurality of blades (18) and the blade carrier is limited by one or more protrusions extending upwards from the base of the blade housing (12).Type: ApplicationFiled: September 9, 2015Publication date: September 20, 2018Inventors: Jens TREU, Michael LESSMANN, Kesen ZENG, Yvonne NEUMANN, Ralf HAGENS, Philip DRESCHER
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Publication number: 20180079094Abstract: Disclosed is a blade unit for a safety razor, comprising: a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, the cap including a non-flexible concave back portion supporting a convex lubricating pad, the convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. No separate frame is provided around an outer perimeter for fixing the convex lubricating pad, so that the convex lubricating pad rear edge meets flush with the non-flexible concave back portion, providing a smooth, lubricated rear edge of the blade unit.Type: ApplicationFiled: July 24, 2015Publication date: March 22, 2018Inventors: Michael LESSMANN, Jens TREU, Kesen ZENG, Yvonne NEUMANN, Hiroyuki NAKASUKA, Ralf HAGENS, Philip DRESCHER
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Publication number: 20170232625Abstract: Embodiments of the invention include a blade unit (10) for a safety razor (8), comprising: a connecting structure (14) configured to fix the blade unit to a handle (16); a blade housing (12) comprising a plurality of blades (18) having respective cutting edges (20) lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin in a shaving direction; and a rear portion (24) arranged next to the plurality of blades in the shaving direction, comprising a non-flexible concave back portion (26) that arcuately bends away from the shaving plane, and a convex lubricating pad (22) arranged on and being supported by the non-flexible concave back portion and which extends up to a rear edge (28) of the rear portion of the blade unit.Type: ApplicationFiled: April 27, 2015Publication date: August 17, 2017Inventors: Michael LESSMANN, Jens TREU, Kesen ZENG, Yvonne NEUMANN, Hiroyuki NAKASUKA, Ralf HAGENS, Philip DRESCHER
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Publication number: 20170225344Abstract: Disclosed is a blade unit for a safety razor, comprising a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, and the cap including a convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. A skin-contacting surface of the convex lubricating pad is greater than a skin-contacting surface of the elongate lubricating strip, the convex lubricating pad and the elongate lubricating strip together extend along at least 60% of an outer perimeter of the blade unit, and the convex lubricating pad extends along at least 30% of the outer perimeter of the blade unit.Type: ApplicationFiled: July 24, 2015Publication date: August 10, 2017Inventors: Michael LESSMANN, Jens TREU, Kesen ZENG, Yvonne NEUMANN, Hiroyuki NAKASUKA, Ralf HAGENS, Philip DRESCHER
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Publication number: 20170217035Abstract: A razor handle in the form of an elongated body, comprising: a razor head end with a connecting structure, to connect the razor handle to a razor head having a plurality of blades with respective cutting edges which lie in a shaving plane and exert a cutting action when moved across a user's skin in a shaving direction; a free end opposite the razor head end; a lower surface on the same side as the cutting edges of the blades when the razor head is connected to the razor handle; an upper surface opposite the lower surface; a first gripping area on the upper surface, to provide a first gripping position for a finger or thumb of the user; and a second gripping area on the upper surface, to provide a second gripping position for the finger or thumb, the first and second gripping areas having textured surfaces and being separated from one another by a smooth area of the upper surface.Type: ApplicationFiled: January 24, 2017Publication date: August 3, 2017Inventors: Jens TREU, Michael LESSMANN, Yvonne NEUMANN, Kesen ZENG
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Publication number: 20170217034Abstract: Disclosed is a blade unit for a safety razor comprising a connecting structure for fixing the blade unit to a handle, a blade housing comprising a plurality of blades having cutting edges lying in a shaving plane, and a rear portion next to the plurality of blades, comprising a non-flexible back portion extending parallel to the shaving plane, and a lubricating pad having a flexible portion and a non-flexible portion, the non-flexible portion being arranged on and supported by the non-flexible back portion, the flexible portion extending rearwards from the non-flexible portion beyond the non-flexible back portion to define a rear edge of the rear portion of the blade unit, the flexible portion forming a convex skin-contacting surface when bending away from the shaving plane in use.Type: ApplicationFiled: April 27, 2015Publication date: August 3, 2017Inventors: Michael LESSMANN, Jens TREU, Kesen ZENG, Yvonne NEUMANN, Hiroyuki NAKASUKA
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Publication number: 20100061946Abstract: A cosmetic preparation which comprises one or more selected perfume substances and one or more glucosyl glycerides.Type: ApplicationFiled: November 14, 2007Publication date: March 11, 2010Applicant: BEIERSDORF AGInventors: Cathrin Scherner, Rainer Kroepke, Ute Breitenbach, Jens Treu, Werner Zilz
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Patent number: 7458944Abstract: The invention is a cosmetic cleaning product, comprising a massage applicator comprising a container body and a massage device having at least one massage pin device, the pin device having at least one first surface which is configured to be in contact with the surface to be massaged, wherein a force can be transmitted between the first surface of the massage pin device and the surface to be massaged, and wherein at least one predetermined massage characteristic feature selected from the group consisting of a predetermined hardness, a predetermined geometry and a predetermined elasticity exists in a region of the first surface of the massage pin device which is configured to be in contact with the surface to be massaged, and at least one adjusting device which can adjust the at least one predetermined massage characteristic feature, and a cosmetic cleaning formulation.Type: GrantFiled: April 5, 2004Date of Patent: December 2, 2008Assignee: Beiersdorf AGInventors: Kathrin Liste, Olaf Rhode, Jens Treu
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Publication number: 20050036975Abstract: The present invention is a shaving aid preparation suitable for electric shavers comprising 0.05 to 0.5% by weight of cross-linked polyacrylate, 1 to 7% by weight of glycerol, 0.1 to 1% by weight of xanthan gum, and water, wherein the preparation has a viscosity of 500 to 5000 mPa·s, and wherein the preparation is free of surfactants, in particular free of sarcosinates. The present invention also includes a method of shaving comprising applying the shaving aid preparation and a shaver comprising the preparation.Type: ApplicationFiled: August 2, 2004Publication date: February 17, 2005Inventors: Kerstin Heike, Jens Treu, Katharina Post, Kathrin Wolter
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Publication number: 20040267170Abstract: The invention is a cosmetic cleaning product, comprising a massage applicator comprising a container body and a massage device having at least one massage pin device, the pin device having at least one first surface which is configured to be in contact with the surface to be massaged, wherein a force can be transmitted between the first surface of the massage pin device and the surface to be massaged, and wherein at least one predetermined massage characteristic feature selected from the group consisting of a predetermined hardness, a predetermined geometry and a predetermined elasticity exists in a region of the first surface of the massage pin device which is configured to be in contact with the surface to be massaged, and at least one adjusting device which can adjust the at least one predetermined massage characteristic feature, and a cosmetic cleaning formulation.Type: ApplicationFiled: April 5, 2004Publication date: December 30, 2004Applicant: Beiersdorf AGInventors: Kathrin Liste, Olaf Rohde, Jens Treu
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Patent number: 6589923Abstract: Shaped soap product comprising talc, one or more fatty acids having 12-22 carbon atoms in the form of their alkali soaps and one or more refatting substances with the simultaneous absence of alkyl (oligo)glycosides.Type: GrantFiled: July 9, 2001Date of Patent: July 8, 2003Assignee: Beiersdorf AGInventors: Andreas Lenuck, Jens Treu, Erich Karcher
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Patent number: 6541433Abstract: Shaped soap product comprising talc, one or more fatty acids having 12-22 carbon atoms in the form of their alkali soaps and one or more nonionic surfactants with the simultaneous absence of alkyl (oligo)glycosides.Type: GrantFiled: July 9, 2001Date of Patent: April 1, 2003Assignee: Beiersdorf AGInventors: Michael Schultz, Jens Treu
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Patent number: 6537953Abstract: Shaped soap product comprising talc, one or more fatty acids having 12-22 carbon atoms in the form of their alkali soaps and one or more amphoteric surfactants with the simultaneous absence of alkyl (oligo)glycosides.Type: GrantFiled: July 9, 2001Date of Patent: March 25, 2003Assignee: Beiersdorf AGInventors: Michael Schultz, Jens Treu
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Patent number: 6537954Abstract: Shaped soap product comprising talc, one or more fatty acids having 12-22 carbon atoms in the form of their alkali soaps and one or more anionic surfactants with the simultaneous absence of alkyl (oligo)glycosides.Type: GrantFiled: July 9, 2001Date of Patent: March 25, 2003Assignee: Beiersdorf AGInventors: Michael Schultz, Jens Treu