Patents by Inventor Gertjan Otto
Gertjan Otto 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: 11091953Abstract: A revolving door comprising an at least partly cylindrical shell wall, which is embodied with an entrance and an exit, and two rotatable door wings, which during normal operation are placed in each other's extended direction inside the shell wall, wherein between the shell wall and an end of at least one door wing, which end is movable near and along the shell wall, a sliding door is provided which is suitable for closing off the entrance or exit respectively, and in that during normal operation an end of the door wing is constantly positioned near the sliding door and between its lateral edges, and wherein the sliding door comprises two adjacent separable sliding door parts which in normal operation are connected to each other and are movable away from each other in an emergency situation to provide a free and unobstructed passage way through the entrance or exit respectively.Type: GrantFiled: November 7, 2019Date of Patent: August 17, 2021Assignee: ROYAL BOON EDAM INTERNATIONAL B.V.Inventors: Melvin Jarno van der Molen, Gertjan Otto, Gijsbert Henk Bakker
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Patent number: 10837225Abstract: A revolving door comprising a wall or walls in which openings for inlet and outlet of persons and/or objects are provided, and rotatable door wings that during use are rotatable around an imaginary central vertical axis in a passage area surrounded by the wall or walls, wherein each of said door wings is provided with a slidable door wing part for extending and/or retracting the door wing of which it forms a part, wherein each of said door wings substantially comprises slidable door wing parts only so as to provide that the slidable door wing parts of any single door wing are selectable to be placed in at least two positions, a first position wherein said door wing parts are entirely adjacent or next to each other and wherein edges of said door wing parts are adjacent to the wall or walls, and wherein said door wing parts extend radially away from said wall or walls towards the imaginary central vertical axis, and a second position wherein said door wing parts are entirely adjacent or next open opening or toType: GrantFiled: September 4, 2018Date of Patent: November 17, 2020Assignee: ROYAL BOON EDAM INTERNATIONAL B.V.Inventors: Hendrik Lammes, Melvin Jarno van der Molen, Gertjan Otto
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Patent number: 10612286Abstract: A revolving door comprising a wall or walls in which openings for inlet and outlet of persons and/or objects are provided, and rotatable door wings that during use are rotatable around an imaginary central vertical axis in a passage area surrounded by the wall or walls, wherein each door wing is supported by a movable carrier dedicated to such door wing, which carrier comprises a horizontal bar and a vertical bar.Type: GrantFiled: October 26, 2018Date of Patent: April 7, 2020Assignee: ROYAL BOON EDAM INTERNATIONAL B.V.Inventors: Hendrik Lammes, Melvin Jarno van der Molen, Gertjan Otto
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Publication number: 20200071989Abstract: A revolving door comprising an at least partly cylindrical shell wall, which is embodied with an entrance and an exit, and two rotatable door wings, which during normal operation are placed in each other's extended direction inside the shell wall, wherein between the shell wall and an end of at least one door wing, which end is movable near and along the shell wall, a sliding door is provided which is suitable for closing off the entrance or exit respectively, and in that during normal operation an end of the door wing is constantly positioned near the sliding door and between its lateral edges, and wherein the sliding door comprises two adjacent separable sliding door parts which in normal operation are connected to each other and are movable away from each other in an emergency situation to provide a free and unobstructed passage way through the entrance or exit respectively.Type: ApplicationFiled: November 7, 2019Publication date: March 5, 2020Inventors: Melvin Jarno van der Molen, Gertjan Otto, Gijsbert Henk Bakker
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Publication number: 20190063131Abstract: A revolving door comprising a wall or walls in which openings for inlet and outlet of persons and/or objects are provided, and rotatable door wings that during use are rotatable around an imaginary central vertical axis in a passage area surrounded by the wall or walls, wherein each door wing is supported by a movable carrier dedicated to such door wing, which carrier comprises a horizontal bar and a vertical bar.Type: ApplicationFiled: October 26, 2018Publication date: February 28, 2019Inventors: Hendrik Lammes, Melvin Jarno van der Molen, Gertjan Otto
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Publication number: 20180371828Abstract: A revolving door comprising a wall or walls in which openings for inlet and outlet of persons and/or objects are provided, and rotatable door wings that during use are rotatable around an imaginary central vertical axis in a passage area surrounded by the wall or walls, wherein each of said door wings is provided with a slidable door wing part for extending and/or retracting the door wing of which it forms a part, wherein each of said door wings substantially comprises slidable door wing parts only so as to provide that the slidable door wing parts of any single door wing are selectable to be placed in at least two positions, a first position wherein said door wing parts are entirely adjacent or next to each other and wherein edges of said door wing parts are adjacent to the wall or walls, and wherein said door wing parts extend radially away from said wall or walls towards the imaginary central vertical axis, and a second position wherein said door wing parts are entirely adjacent or next open opening or toType: ApplicationFiled: September 4, 2018Publication date: December 27, 2018Inventors: Hendrik Lammes, Melvin Jarno van der Molen, Gertjan Otto
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Patent number: 7052390Abstract: A revolving door for installation in a building, comprising a cylindrical shell wall, within the shell wall door leaves rotating about a central shaft and between a bottom plate and a top plate, and entrance and exit openings provided in the shell wall, at least one of which having an air-outflow unit disposed at a vertical edge of the shell wall, having an outlet slot for the generation of a vertically oriented and between the bottom plate and the top plate oriented air curtain substantially filling the headroom of the door, wherein the outlet slot is directed substantially radially towards the interior of the revolving door, and wherein during use the door leaves provide an antidraught seal, with the air-outflow unit being placed inside the building.Type: GrantFiled: February 18, 2004Date of Patent: May 30, 2006Assignee: Boon Edam B.V.Inventors: Gertjan Otto, Ronald Frank Joosten, Volkert Fester
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Publication number: 20040172880Abstract: A revolving door for installation in a building, comprising a cylindrical shell wall, within the shell wall door leaves rotating about a central shaft and between a bottom plate and a top plate, and entrance and exit openings provided in the shell wall, at least one of which having an air-outflow unit disposed at a vertical edge of the shell wall, having an outlet slot for the generation of a vertically oriented and between the bottom plate and the top plate oriented air curtain substantially filling the headroom of the door, wherein the outlet slot is directed substantially radially towards the interior of the revolving door, and wherein during use the door leaves provide an antidraught seal, with the air-outflow unit being placed inside the building.Type: ApplicationFiled: February 18, 2004Publication date: September 9, 2004Applicant: BOON EDAM B.V.Inventors: Gertjan Otto, Ronald Frank Joosten, Volkert Fester
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Patent number: 6557299Abstract: A revolving door has driven door panels, which are movably positioned around a central rotating element. Each pair of door panels has an individual drive. The driving speed for each door panel is chosen on the basis of the position taken by said door panel in its path of rotation.Type: GrantFiled: October 30, 2001Date of Patent: May 6, 2003Assignee: Boon Edam B.V.Inventor: Gertjan Otto
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Patent number: 6370822Abstract: A revolving door has driven door panels, which are movably positioned around a central rotating element. Each pair of door panels has an individual drive. The driving speed for each door panel is chosen on the basis of the position taken by said door panel in its path of rotation.Type: GrantFiled: February 23, 2000Date of Patent: April 16, 2002Assignee: Boon Edam B.V.Inventor: Gertjan Otto
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Publication number: 20020035805Abstract: The invention relates to a revolving door provided with driven door panels (1, 2) which art movably positioned around a central rotating element (3), in which each door panel (1, 2) has an individual drive. The driving speed for each door panel (1, 2) is chosen on the basis of the position taken by said door panel (1, 2) in its path of rotation. Each pair of door panels (1, 2) is provided with a drive.Type: ApplicationFiled: October 30, 2001Publication date: March 28, 2002Inventor: Gertjan Otto
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Patent number: 6076302Abstract: A mechanism for locking and releasing individual swivelable door wings of a revolving door is described wherein a blocking element is used to effectively positively lock a cam, connected to the door wing, into a radial position and thus correspondingly lock the door wing in position. The blocking element can be in the form of a ring placed around a shaft about which various door wings can be swiveled and thus simultaneously act on various cams associated with respective door wings. The position of the blocking element is controlled with an electromagnetic arrangement that is so coupled to the blocking element that the failure of electrical power enables the door wing to be swiveled aside.Type: GrantFiled: May 6, 1999Date of Patent: June 20, 2000Inventor: Gertjan Otto