Patents by Inventor Robert Lenz

Robert Lenz 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: 12012024
    Abstract: A seat with a headrest for a locomotive means includes a carrier or support system for a backrest of the seat, a support element having an installation section, and a guide device. The headrest has a headrest box, wherein the installation section of the support element is arranged on the support system in a stationary manner in the region of the headrest. The headrest box is movably arranged on the guide device, and the headrest box can be locked relative to the guide device in a movement direction.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 18, 2024
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Jens Hildenbrand, Rolf Lechner, Robert Lenz
  • Patent number: 11511655
    Abstract: A head restraint of a vehicle seat includes a base element, at least one connection element positioned on the base element for connecting the base element to a backrest of a vehicle seat, a bearing element having a contact surface for contacting a head of a user of the vehicle seat, and a holding element which can be adjusted along a depth axis relative to the base element. The depth axis is oriented perpendicular to the contact surface. The bearing element is connected to the holding element by a damping device, wherein the damping device damps a movement of the bearing element relative to the holding element.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: November 29, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Ingmar Hailer, Rolf Lechner, Robert Lenz, Felix Warnbacher
  • Publication number: 20220314856
    Abstract: A seat with a headrest for a locomotive means includes a carrier or support system for a backrest of the seat, a support element having an installation section, and a guide device. The headrest has a headrest box, wherein the installation section of the support element is arranged on the support system in a stationary manner in the region of the headrest. The headrest box is movably arranged on the guide device, and the headrest box can be locked relative to the guide device in a movement direction.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 6, 2022
    Inventors: Jens HILDENBRAND, Rolf LECHNER, Robert LENZ
  • Publication number: 20210245640
    Abstract: A head restraint of a vehicle seat includes a base element, at least one connection element positioned on the base element for connecting the base element to a backrest of a vehicle seat, a bearing element having a contact surface for contacting a head of a user of the vehicle seat, and a holding element which can be adjusted along a depth axis relative to the base element. The depth axis is oriented perpendicular to the contact surface. The bearing element is connected to the holding element by a damping device, wherein the damping device damps a movement of the bearing element relative to the holding element.
    Type: Application
    Filed: March 6, 2019
    Publication date: August 12, 2021
    Inventors: Ingmar HAILER, Rolf LECHNER, Robert LENZ, Felix WARNBACHER
  • Patent number: 7612233
    Abstract: The calculation of the above balance shows that the division of stream (5) into the streams (5a) and (5b) used here leads to the fact that in the neutralization stage no excess sodium formate is produced, so that any ejection can be omitted. Furthermore, the water content of the stream (14) comprising sodium formate recirculated to the first crystallization stage in this case can be set to a very low value.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: November 3, 2009
    Assignee: BASF SE
    Inventors: Alexander Hauk, Stefan Gropp, Robert Lenz, Daniela Rieck, Jörg Heilek, Gerhard Laux
  • Publication number: 20090143618
    Abstract: A process is proposed for preparing acid formates in which a liquid stream I comprising formic acid and a liquid stream II comprising a metal formate are prepared, the liquid streams I and II are fed to a rectification column in such a manner that a higher or identical feed point to the rectification column is chosen for the liquid stream II than for the liquid stream I, the liquid streams I and II are mixed in the rectification column, with water being removed overhead from the rectification column and a bottoms stream comprising the acid formate is taken off from the rectification column, which comprises the bottoms stream being produced as melt comprising less than 0.5% by weight of water.
    Type: Application
    Filed: November 5, 2004
    Publication date: June 4, 2009
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Alexander Hauk, Jorn Karl, Jurgen Paschold, Stefan Gropp, Anna Valeska Lohmann, Robert Lenz, Thomas Letzelter, Robert Heinz
  • Publication number: 20080194874
    Abstract: The invention relates to a method for producing a solid sodium diformate preparation having a minimum formic acid concentration of 35 percent by weight relative to the total weight of the sodium diformate preparation. According to said method, an aqueous solution having a molar ratio HCOOH:HCOONa of more than 1.5:1 and a molar ratio HCOOH:H2O of at least 1.1:1 is produced from sodium formate and at least 74 percent by weight of formic acid at an elevated temperature, the aqueous solution is crystallized, and the solid phase is separated from the mother liquor.
    Type: Application
    Filed: May 2, 2006
    Publication date: August 14, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Alexander Hauk, Stefan Gropp, Robert Lenz, Daniela Rieck, Jorg Heilek, Gerhard Laux
  • Patent number: 7351860
    Abstract: The invention relates to a method for producing formic acid formates, whereby (a) formic acid methyl ester is partially hydrolysed with water; (b) formic acid methyl ester and methanol are separated by distillation from the reaction mixture obtained in step (a), forming a current containing formic acid and water; (c) the current obtained in step (b), containing the formic acid methyl ester and optionally methanol, is converted into a current containing formate and water, by (i) reaction with a basic compound having a pKa value of the corresponding acid of the corresponding dissociation step of =3, measured at 25° C. in an aqueous solution, in presence of water, and (ii) separation by distillation of the methanol; and (d) the current obtained in step (b), containing formic acid and water, and the current obtained in step (c), containing formate and water, are combined to form a mixture containing the formic acid formate and water.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: April 1, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph Adami, Jörn Karl, Alexander Hauk, Ralf Böhling, Jörg Pastre, Robert Lenz
  • Patent number: 7323593
    Abstract: A process for preparing acid formates which comprises (a) partially hydrolyzing methyl formates with water; (b) separating off by distillation methyl formate and methanol from the reaction mixture obtained in process stage (a), forming a stream comprising formic acid and water; and (c) combining the stream comprising formic acid and water from the process stage (b) and the corresponding formate, forming a mixture comprising the acid formate and water, an apparatus for their preparation and their use.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: January 29, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph Adami, Jörn Karl, Alexander Hauk, Ralf Böhling, Jörg Pastre, Robert Lenz
  • Publication number: 20060217571
    Abstract: A process is proposed for preparing acid formates by providing a liquid stream I containing formic acid and a liquid stream II containing a metal formate, and mixing the liquid stream I with the liquid stream II, obtaining the corresponding acid formate, which comprises feeding, to the liquid stream I or a precursor thereof, to the liquid stream II or a precursor thereof, or to the mixture of the liquid streams I and II, a liquid stream III containing the following components at contents of in each case >0.1% by weight: metal formate, metal methoxide, methanol and MeFo (MeFo), which is produced in a process for preparing MeFo by carbonylating methanol in a reactor at a pressure up to 50 MPa absolute in the presence of a metal methoxide as homogeneous catalyst.
    Type: Application
    Filed: May 14, 2004
    Publication date: September 28, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Alexander Hauk, Christoph Adami, Jorn Karl, Robert Lenz
  • Publication number: 20050256338
    Abstract: A process for preparing acid formates which comprises (a) partially hydrolyzing methyl formates with water; (b) separating off by distillation methyl formate and methanol from the reaction mixture obtained in process stage (a), forming a stream comprising formic acid and water; and (c) combining the stream comprising formic acid and water from the process stage (b) and the corresponding formate, forming a mixture comprising the acid formate and water, an apparatus for their preparation and their use.
    Type: Application
    Filed: July 30, 2003
    Publication date: November 17, 2005
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Christoph Adami, Jorn Karl, Alexander Hauk, Ralf Bohling, Jorg Pastre, Robert Lenz
  • Publication number: 20050249784
    Abstract: The present invention relates to preparations comprising at least one diformate of the general formula XH(COOH)2, where X=Na, K, Cs, NH4 and at least one short-chain carboxylic acids and/or at least one salt of the short-chain carboxylic acid and/or at least one ester and/or at least one derivative of the short-chain carboxylic acid, and to the use of these preparations.
    Type: Application
    Filed: July 7, 2003
    Publication date: November 10, 2005
    Applicant: BASF Aktiengesellschaft
    Inventors: Michael Schonherr, Jorn Karl, Alexander Hauk, Gerd Diebold, Andreas Habich, Robert Lenz, Anna Lohmann, Volker Schmidt
  • Publication number: 20050172858
    Abstract: The present invention relates to coated preparations comprising at least one diformate of the general formula XH(COOH)2, where X is Na, K, Cs, NH4 and to the use thereof.
    Type: Application
    Filed: July 7, 2003
    Publication date: August 11, 2005
    Inventors: Michael Schonherr, Jorn Karl, Alexander Hauk, Gerd Diebold, Andreas Habich, Robert Lenz, Anna Lohmann, Volker Schmidt, Leif Hjornevik