Patents by Inventor Jan Wilkens
Jan Wilkens 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).
-
Patent number: 11261601Abstract: A cross runner connector for a suspended ceiling system (1) comprising a main runner (10) being provided with an opening (11) for reception of the cross runner connector and having a circumference defining an opening notch (12); and a cross runner (30), the cross runner connector comprising a guiding lip (41) and a locking lip (42) separated by a slit (43) and extending in the longitudinal direction (P2) of the cross runner connector, the guiding lip (41) having a guide edge portion (44) provided with a guide lip notch (45) and a distal guide tip (46) being offset in a first lateral direction (P3) such that the cross runner connector is laterally displaceable in the first lateral direction (P3) in response to insertion of the cross runner connector into the opening (11) of the main runner (10) with the guide edge portion (44) positioned in the opening notch (12) of the opening (11), and the locking lip (42) having a locking protrusion (48) protruding in the first lateral direction (P3).Type: GrantFiled: May 15, 2017Date of Patent: March 1, 2022Assignee: SAINT-GOBAIN ECOPHON ABInventors: Jan Wilkens, Thomas Nilsson
-
Patent number: 10858830Abstract: A device for suspension of a suspended ceiling, comprising an elongated suspension member (3) having a first end (10) and an opposing second end (11), an anchoring head (4) being arranged at the first end (10); a housing (2) having an open top side (5) and an opposed, closed bottom side (6), the (2) housing defining a housing cavity (7) adapted to be filled with an adhesive (16); and a suspension member holder (8). A passage (9) is provided extending through the closed bottom side (6) of the housing (2), wherein the elongated suspension member (3) in an assembled state of the device extends through the passage (9) with the first end (10) positioned inside the housing cavity (7) and the second end (11) positioned outside the housing cavity (7) and wherein the suspension member holder (8) in the assembled state of the device positions the first end (10) and the thereto arranged anchoring head (4) of the suspension member (3) at a distance H1 from the closed bottom side (6).Type: GrantFiled: July 5, 2017Date of Patent: December 8, 2020Assignee: SAINT-GOBAIN ECOPHON ABInventors: Torbjörn Persson, Jan Wilkens, Thomas Nilsson
-
Publication number: 20200318350Abstract: A cross runner connector for a suspended ceiling system (1) comprising a main runner (10) being provided with an opening (11) for reception of the cross runner connector and having a circumference defining an opening notch (12); and a cross runner (30), the cross runner connector comprising a guiding lip (41) and a locking lip (42) separated by a slit (43) and extending in the longitudinal direction (P2) of the cross runner connector, the guiding lip (41) having a guide edge portion (44) provided with a guide lip notch (45) and a distal guide tip (46) being offset in a first lateral direction (P3) such that the cross runner connector is laterally displaceable in the first lateral direction (P3) in response to insertion of the cross runner connector into the opening (11) of the main runner (10) with the guide edge portion (44) positioned in the opening notch (12) of the opening (11), and the locking lip (42) having a locking protrusion (48) protruding in the first lateral direction (P3).Type: ApplicationFiled: May 15, 2017Publication date: October 8, 2020Inventors: Jan Wilkens, Thomas NILSSON
-
Publication number: 20190161965Abstract: A device for suspension of a suspended ceiling, comprising an elongated suspension member (3) having a first end (10) and an opposing second end (11), an anchoring head (4) being arranged at the first end (10); a housing (2) having an open top side (5) and an opposed, closed bottom side (6), the (2) housing defining a housing cavity (7) adapted to be filled with an adhesive (16); and a suspension member holder (8). A passage (9) is provided extending through the closed bottom side (6) of the housing (2), wherein the elongated suspension member (3) in an assembled state of the device extends through the passage (9) with the first end (10) positioned inside the housing cavity (7) and the second end (11) positioned outside the housing cavity (7) and wherein the suspension member holder (8) in the assembled state of the device positions the first end (10) and the thereto arranged anchoring head (4) of the suspension member (3) at a distance H1 from the closed bottom side (6).Type: ApplicationFiled: July 5, 2017Publication date: May 30, 2019Applicant: SAINT-GOBAIN ECOPHON ABInventors: Torbjörn PERSSON, Jan WILKENS, Thomas NILSSON
-
Patent number: 9487952Abstract: The present invention concerns a sound absorbing module (2) for a suspended ceiling (1), comprising a sound absorbent element (6) and a front cover (7). Said front cover (7) is arranged at a distance from the sound absorbent element (6), and according to the present invention the front cover (7) has a flow resistance within the range of 200 to 800 Pas/m. The present invention further concerns a suspended ceiling (1) comprising said sound absorbing module (2).Type: GrantFiled: October 22, 2013Date of Patent: November 8, 2016Assignee: Saint-Gobain Ecophon ABInventors: Erling Nilsson, Jan Wilkens
-
Publication number: 20150275516Abstract: The present invention concerns a sound absorbing module (2) for a suspended ceiling (1), comprising a sound absorbent element (6) and a front cover (7). Said front cover (7) is arranged at a distance from the sound absorbent element (6), and according to the present invention the front cover (7) has a flow resistance within the range of 200 to 800 Pas/m. The present invention further concerns a suspended ceiling (1) comprising said sound absorbing module (2).Type: ApplicationFiled: October 22, 2013Publication date: October 1, 2015Applicant: SAINT-GOBAIN ECOPHON ABInventors: Erling Nilsson, Jan Wilkens
-
Publication number: 20150027075Abstract: In accordance with the present inventive concept, there is provided a suspended ceiling comprising a ceiling tile (500) and a grid of profiles forming a frame which supports the ceiling tile (500). The ceiling tile (500) has a first and a second pair of non-adjacent side-edge portions, wherein the grid of profiles engages from below with the first pair of side-edge portions, and wherein the grid of profiles engages from above with the second pair of side-edge portions. The grid of profiles engages with said first and second pair of side-edge portions such that a clamping action that counteracts lateral displacement of the ceiling tile (500) is provided. There is also provided a method for mounting the suspended ceiling. Furthermore, the present inventive concept also relates to an improved ceiling tile (500) for a suspended ceiling.Type: ApplicationFiled: February 22, 2013Publication date: January 29, 2015Applicant: SAINT-GOBAIN ECOPHON ABInventors: Jan Wilkens, Jonas Skeppås
-
Patent number: 8640408Abstract: The disclosure relates to a grid system including at least one main runner including an aperture; at least one cross spacer including a slot, with the slot formed from a bottom side thereof; and a fixing element. The main runner is insertable into the slot in the cross spacer from a first side of the cross spacer such that, when the main runner is inserted into said slot, the aperture of the main runner is at least partly accessible from a second side of the cross spacer, the second side being opposite to the first side. The cross spacer further includes an aperture, and the fixing element is adapted to, in a locked position, extend through the aperture in the main runner and through the aperture in the cross spacer such that the relative position of the main runner and the cross spacer is fixed.Type: GrantFiled: December 15, 2011Date of Patent: February 4, 2014Assignee: Saint-Gobain Ecophon ABInventor: Jan Wilkens
-
Publication number: 20120159890Abstract: The disclosure relates to a grid system including at least one main runner including an aperture; at least one cross spacer including a slot, with the slot formed from a bottom side thereof; and a fixing element. The main runner is insertable into the slot in the cross spacer from a first side of the cross spacer such that, when the main runner is inserted into said slot, the aperture of the main runner is at least partly accessible from a second side of the cross spacer, the second side being opposite to the first side. The cross spacer further includes an aperture, and the fixing element is adapted to, in a locked position, extend through the aperture in the main runner and through the aperture in the cross spacer such that the relative position of the main runner and the cross spacer is fixed.Type: ApplicationFiled: December 15, 2011Publication date: June 28, 2012Applicant: SAINT-GOBAIN ECOPHON ABInventor: Jan Wilkens
-
Patent number: 8183541Abstract: The invention relates to a radiation treatment apparatus and an inverse treatment planning method for intensity modulated particle therapy for the treatment of a target within a biological system using at least two fields, each field comprising a plurality of Bragg peaks, the at least two fields being planned to place a defined number of beam spots j from different directions with certain weights wj within the target.Type: GrantFiled: February 2, 2007Date of Patent: May 22, 2012Assignee: Deutsches Krebsforschungszentrum des Oeffentlichen RechtsInventors: Jan Wilkens, Uwe Oelfke
-
Publication number: 20110146183Abstract: The present invention relates to a ceiling tile unit comprising a tile body made of mineral fibre material, a surface layer and a guide. The tile body has a front side, a rear side and at least one side edge, and the surface layer is arranged on said front side of said tile body. A groove is provided in said rear side of said tile body dividing said tile body into a first tile body section and a second tile body section. Said guide is adapted to form a fold guidance for inclination of said first tile body section in relation to said second tile body section by folding about an axis parallel to the longitudinal direction of said groove. The invention further relates to a method for forming a ceiling tile unit.Type: ApplicationFiled: December 17, 2010Publication date: June 23, 2011Inventors: Jan WILKENS, Jonas SKEPPAS, Thomas NILSSON
-
Publication number: 20090060130Abstract: The invention relates to a radiation treatment apparatus and an inverse treatment planning method for intensity modulated particle therapy for the treatment of a target within a biological system using at least two fields, each field comprising a plurality of Bragg peaks, the at least two fields being planned to place a defined number of beam spots j from different directions with certain weights wj within the target.Type: ApplicationFiled: February 2, 2007Publication date: March 5, 2009Applicant: Deutsches Krebsforschungszentrum Stiftung des offentlichen RechtsInventors: Jan Wilkens, Uwe Oelfke
-
Patent number: 7309804Abstract: A process for the preparation of 1,2-dichloroethane that is very pure with respect to chloral or/and chloral hydrate and carbon dioxide is described herein. The process comprises oxychlorination of ethylene, using hydrogen chloride and an oxygen-containing gas, and alkali treatment of the 1,2-dichloroethane produced. In the process, the carbon dioxide present in the 1,2-dichloroethane-containing organic phase is, in accordance with the invention, substantially separated out from the 1,2-dichloroethane-containing organic phase before the alkali treatment.Type: GrantFiled: October 25, 2002Date of Patent: December 18, 2007Assignees: Vinnolit Technologie GmbH & Co., Vintron GmbHInventors: Helmut Grumann, Manfred Stoger, Jurgen Eichler, Dieter Jaculi, Winfried Lork, Arend Greve, Jan Wilkens, Peter Kammerhofer, Hermann Tropp
-
Publication number: 20070073276Abstract: An irradiation device (1) and a method for the treatment of acne and acne scars, comprising at least one source of radiation (2), the source of radiation emitting at least one broadband spectrum in the wavelength range of 320-at least 540 nm and the radiation source (2) being pulse-operable and/or movable relatively to the area to be irradiated, the pulse energy being between 0.05-10 J/cm2 and the peak irradiation intensity being between 0.5 W/cm2 and 100 kW/cm2.Type: ApplicationFiled: November 30, 2006Publication date: March 29, 2007Inventors: Jan Wilkens, Rolf Stirner
-
Publication number: 20050085878Abstract: The invention relates to an irradiation device and method for the treatment of totally or partially cell-mediated inflammations of the skin, the connective tissue and the viscera, viral and other infectious diseases such as HIV and prionic infections, fungal infections of the skin and the mucous membranes, bacterial diseases of the skin and the mucous membranes as well hand eczema and anal eczema which comprises at least one irradiation device to irradiate a surface treatment area where the wavelength of the emitted radiation to a treatment area is longer than 400 nm and comprises at least one spectral band between 400-500 nm while the radiation device has a gas discharge lamp containing at least gallium, indium or their respective halides as irradiation source, means that less than 7% of the overall optical output are emitted in the UV range, wherein at least 30% of the optical output are emitted in the range of 400-500 nm; and contains means for the generation of optical pulses towards a treatment area withType: ApplicationFiled: October 22, 2004Publication date: April 21, 2005Inventors: Jan Wilkens, Rolf Stirner
-
Publication number: 20030055301Abstract: A process for the preparation of 1,2-dichloroethane that is very pure with respect to chloral or/and chloral hydrate and carbon dioxide is described herein. The process comprises oxychlorination of ethylene, using hydrogen chloride and an oxygen-containing gas, and alkali treatment of the 1,2-dichloroethane produced. In the process, the carbon dioxide present in the 1,2-dichloroethane-containing organic phase is, in accordance with the invention, substantially separated out from the 1,2-dichloroethane-containing organic phase before the alkali treatment.Type: ApplicationFiled: October 25, 2002Publication date: March 20, 2003Inventors: Helmut Grumann, Manfred Stoger, Jurgen Eichler, Dieter Jaculi, Winfried Lork, Arend Greve, Jan Wilkens, Peter Kammerhofer, Hermann Tropp
-
Publication number: 20030004380Abstract: A process for the preparation of 1,2-dichloroethane that is very pure with respect to chloral or/and chloral hydrate and carbon dioxide is described herein. The process comprises oxychlorination of ethylene, using hydrogen chloride and an oxygen-containing gas, and alkali treatment of the 1,2-dichloroethane produced. In the process, the carbon dioxide present in the 1,2-dichloroethane-containing organic phase is, in accordance with the invention, substantially separated out from the 1,2-dichloroethane-containing organic phase before the alkali treatment.Type: ApplicationFiled: July 10, 2002Publication date: January 2, 2003Inventors: Helmut Grumann, Manfred Stoger, Jurgen Eichler, Dieter Jaculi, Winfried Lork, Arend Greve, Jan Wilkens
-
Patent number: 6318042Abstract: A grid system for a suspended ceiling comprising mutually spaced main runners of T-profile suspended by means of hangers at the web of the T-profile, the flanges of the T-profile forming support surfaces for tiles. Apertures are punched at regular spacing in the web of the T-profile registering transversely of the main runners. Channeled girders opening upwards and extending over several main runners along registering apertures therein engage the main runners to define the spacing therebetween, the web of the T-profile being received in slots in the bottom and side walls (18) of the channeled girder. Each girder is fixedly connected with the runners by fastening elements engaging the apertures therein.Type: GrantFiled: June 26, 2000Date of Patent: November 20, 2001Assignee: Ecophon ABInventors: Lars Bloom, Tord Edvinsson, Magnus Mollborn, Mikael Moller, Fredrik Nilsson, Jan Wilkens
-
Patent number: 5895637Abstract: The invention relates to a process for preparing sodium disilicate in the .beta. form having a high ion-exchange capacity and a molar ratio Na.sub.2 O:SiO.sub.2 of about 1:2 from a silicate source and sodium hydroxide solution at elevated temperature, with the product formed being separated off by filtration, wherein the product is further heat treated at from 450.degree. to 780.degree. C. and/or is pressed to form compact parts.Type: GrantFiled: September 30, 1996Date of Patent: April 20, 1999Assignee: Hoechst AktiengesellschaftInventors: Jan Wilkens, Gunther Schimmel, Alexander Tapper
-
Patent number: 5614161Abstract: The invention relates to a crystalline sheet sodium silicate of the general formulaxNa.sub.2 O.multidot.ySiO.sub.2 .multidot.zP.sub.2 O.sub.5in whichthe ratio of x to y corresponds to a number from 0.35 to 0.6,the ratio of x to z corresponds to a number from 1.75 to 1200and the ratio of y to z corresponds to a number from 4 to 2800,a process for its preparation and its use.Type: GrantFiled: February 21, 1996Date of Patent: March 25, 1997Assignee: Hoechst AktiengesellschaftInventors: Jan Wilkens, Gunther Schimmel