Patents by Inventor Stefan Kraemer

Stefan Kraemer 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: 11772620
    Abstract: A hydraulic motor vehicle brake system is specified with a device for generating a hydraulic fluid pressure. The device comprises an electrically controllable actuator and a piston in a pressure chamber, which is movable by means of the electrically controllable actuator for changing a hydraulic fluid pressure in the pressure chamber. The brake system also comprises a wheel brake pressure control device with a reservoir for the storage of hydraulic fluid discharged from a motor vehicle wheel brake in a pressure reduction phase, wherein the reservoir is fluidically coupled to the pressure chamber.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: October 3, 2023
    Assignee: ZF Active Safety GmbH
    Inventors: Andreas Passmann, Stefan Kraemer
  • Publication number: 20220143430
    Abstract: A device for producing an air curtain in front of a face of a user, wherein the device includes, inter alia, a pump for supplying air to produce the air curtain and at least one nozzle for forming the air curtain.
    Type: Application
    Filed: March 23, 2020
    Publication date: May 12, 2022
    Inventors: Stefan KRAEMER, Lars MELZER
  • Publication number: 20210179044
    Abstract: A hydraulic motor vehicle brake system is specified with a device for generating a hydraulic fluid pressure. The device comprises an electrically controllable actuator and a piston in a pressure chamber, which is movable by means of the electrically controllable actuator for changing a hydraulic fluid pressure in the pressure chamber. The brake system also comprises a wheel brake pressure control device with a reservoir for the storage of hydraulic fluid discharged from a motor vehicle wheel brake in a pressure reduction phase, wherein the reservoir is fluidically coupled to the pressure chamber.
    Type: Application
    Filed: December 16, 2020
    Publication date: June 17, 2021
    Applicant: ZF Active Safety GmbH
    Inventors: Andreas Passmann, Stefan Kraemer
  • Publication number: 20100094166
    Abstract: A biopsy device is provided which has a plurality of sample chamber bodies with each body having a plurality of sample chambers. The sample chamber bodies are pivotally coupled to one another to permit the device to be steered and so that the device may conform somewhat to the shape of the esophagus.
    Type: Application
    Filed: October 10, 2008
    Publication date: April 15, 2010
    Inventors: Stefan Kraemer, Scott Harshman, Brett Carter, Richard Romley
  • Publication number: 20080004638
    Abstract: Tissue fasteners carried on a tissue piercing deployment wire fasten tissue layers of a mammalian body together. The fasteners include a first member, a second member, and a connecting member extending between the first and second members. The first and second members are substantially parallel to each other. The fasteners may be deployed in limited spaces and in various applications including the restoration of a gastroesophageal flap valve.
    Type: Application
    Filed: June 8, 2007
    Publication date: January 3, 2008
    Inventors: Steve Baker, Brett Carter, Stefan Kraemer, Clifton Alferness, John Adams
  • Publication number: 20070260276
    Abstract: A gastric reduction system and method provides for transesophageal formation of a gastric reduction pouch of the stomach. The system includes an expandable structure which may be placed in a stomach and expanded to occupy a fractional volume of the stomach. An evacuator is then fed through the expandable structure and utilized to deflate the stomach and draw the stomach to and around the expandable structure to form the gastric reduction pouch. A self-deploying fastener is then deployed to maintain the gastric reduction pouch.
    Type: Application
    Filed: June 29, 2007
    Publication date: November 8, 2007
    Inventors: Stefan Kraemer, John Adams
  • Publication number: 20070167961
    Abstract: The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation, and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The device may include the invaginator device for gripping and maneuvering esophageal tissue to aid restoration of the gastroesophageal flap, and may include the tissue fixation device.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 19, 2007
    Inventors: Stefan Kraemer, John Adams, Stephen Vincent
  • Publication number: 20070162058
    Abstract: The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation, and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The device may include the invaginator device for gripping and maneuvering esophageal tissue to aid restoration of the gastroesophageal flap, and may include the tissue fixation device.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 12, 2007
    Inventors: Stefan Kraemer, John Adams, Stephen Vincent
  • Publication number: 20070162057
    Abstract: The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation, and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The device may include the invaginator device for gripping and maneuvering esophageal tissue to aid restoration of the gastroesophageal flap, and may include the tissue fixation device.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 12, 2007
    Inventors: Stefan Kraemer, John Adams, Stephen Vincent
  • Publication number: 20070129738
    Abstract: An apparatus enables concurrent restoration of a gastroesophageal valve and tightening of the lower esophageal sphincter. The apparatus comprises a longitudinal member having a distal end arranged to be received within a stomach, a tissue shaper at the distal end of the longitudinal member that forms a gastroesophageal valve from stomach tissue, and a tissue gatherer that gathers fundus tissue at or aboral to the gastroesophageal junction to reduce an esophageal opening into the stomach and tighten the lower esophageal sphincter. A fastener deployer then deploys at least one fastener pair to maintain both the restored gastroesophageal valve and the tightened lower esophageal sphincter.
    Type: Application
    Filed: December 1, 2005
    Publication date: June 7, 2007
    Inventors: Stefan Kraemer, Brett Carter
  • Publication number: 20070038232
    Abstract: A patient's stomach may be secured to the patient's diaphragm. A method to accomplish this includes visualizing a wall of a patient's stomach adjacent the patient's diaphragm from within the patient's stomach, inserting a fastener deployment apparatus down the patient's esophagus and into the mammalian's stomach, and fastening the patient's stomach to the patient's diaphragm with the fastener deployment apparatus and from within the stomach. The procedure may be employed to advantage to treat a hiatal hernia, for example, either alone or in conjunction with the restoration of the patient's gastroesophageal flap valve.
    Type: Application
    Filed: August 12, 2005
    Publication date: February 15, 2007
    Inventor: Stefan Kraemer
  • Publication number: 20070005082
    Abstract: Stomach tissue is manipulated to form, for example, a restored flap of a gastroesophageal flap valve. The manipulation includes gripping stomach tissue from within the stomach while the stomach is inflated to promote visualization and stabilization of the gripped stomach tissue. Once the stomach tissue is gripped, the stomach is deflated and pulled into a mold. The molded tissue is then fastened with at least one fastener. The stomach is inflated to a first pressure during visualization and then to a second higher pressure during the stomach tissue gripping.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 4, 2007
    Inventors: Stefan Kraemer, Brett Carter
  • Publication number: 20060167481
    Abstract: Tissue fasteners carried on a tissue piercing deployment wire fasten tissue layers of a mammalian body together include a first member, a second member, and a connecting member extending between the first and second members. One of the first and second members has a configuration alterable by a deployment wire to permit release of the fastener from the deployment wire after deployment and without causing excessive tissue trauma.
    Type: Application
    Filed: January 25, 2005
    Publication date: July 27, 2006
    Inventors: Steve Baker, Stefan Kraemer, Raymond Wolniewicz
  • Publication number: 20060116697
    Abstract: A transoral gastroesophageal flap valve restoration device has sufficient flexibility and dimension to be passed through the mouth, throat, and esophagus of a patient into the patient's stomach. The device includes a first member and a second member hingedly coupled to the first member. The first and second members are configured to flex in a direction to follow the esophageal path into the stomach and to be substantially rigid when forming the restored gastroesophageal flap valve.
    Type: Application
    Filed: November 30, 2004
    Publication date: June 1, 2006
    Inventors: Brett Carter, John Adams, Stefan Kraemer, Steve Baker, John Bayne
  • Publication number: 20060009792
    Abstract: A tissue fastener assembly delivers a fastener for deployment. The assembly includes a fastener including a first member, a second member, the first and second members having first and second ends, and a flexible connecting member fixed to each of the first and second members intermediate the first and second ends and extending between the first and second members. The first member has a longitudinal axis and a through channel along the axis. The assembly further includes a deployment wire slidingly received within the through channel of the first member that pierces into the tissue and guides the first member through the tissue, a guide structure defining a lumen that receives the fastener and deployment wire and guides the deployment wire and fastener to the tissue, and a fastener configuration structure that orientates the second member in a predetermined position relative to the first member within the lumen for dependable deployment.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 12, 2006
    Inventors: Steve Baker, Brett Carter, Stefan Kraemer, Clifton Alferness, John Adams, Raymond Wolniewicz
  • Publication number: 20050187565
    Abstract: Tissue fasteners carried on a tissue piercing deployment wire fasten tissue layers of a mammalian body together. The fasteners include a first member, a second member, and a connecting member extending between the first and second members. The first and second members are substantially parallel to each other. The fasteners may be deployed in limited spaces and in various applications including the restoration of a gastroesophageal flap valve.
    Type: Application
    Filed: February 20, 2004
    Publication date: August 25, 2005
    Inventors: Steve Baker, Brett Carter, Stefan Kraemer, Clifton Alferness, John Adams
  • Publication number: 20050154405
    Abstract: The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation, and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The gastroesophageal flap may have a length greater than two centimeters and sufficient to cover its associated stomach opening.
    Type: Application
    Filed: November 30, 2004
    Publication date: July 14, 2005
    Inventors: Stefan Kraemer, John Adams, Stephen Vincent
  • Publication number: 20050085829
    Abstract: The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation, and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The gastroesophageal flap may have a length greater than two centimeters and sufficient to cover its associated stomach opening.
    Type: Application
    Filed: August 18, 2004
    Publication date: April 21, 2005
    Inventors: Stefan Kraemer, John Adams, Stephen Vincent
  • Publication number: 20050080444
    Abstract: A gastric reduction system and method provides for transesophageal formation of a gastric reduction pouch of the stomach. The system includes an expandable structure which may be placed in a stomach and expanded to occupy a fractional volume of the stomach. An evacuator is then fed through the expandable structure and utilized to deflate the stomach and draw the stomach to and around the expandable structure to form the gastric reduction pouch. A self-deploying fastener is then deployed to maintain the gastric reduction pouch.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 14, 2005
    Inventors: Stefan Kraemer, John Adams
  • Patent number: 4142910
    Abstract: Structurally hermetic light construction concrete which may be reinforced and comprising water, cement and light weight admixtures of inorganic, foamed or bloated or blown aggregates compatible with concrete and approximately spherical or elipsoidal in shape and in proportions corresponding to the sieve characteristic, wherein the grain densities and strengths of the light weight admixtures increase continuously or in more than two steps with increasing grain diameter, while the grain absorptions simultaneously decrease continuously or in more than two steps.
    Type: Grant
    Filed: September 10, 1974
    Date of Patent: March 6, 1979
    Assignee: Wasag Chemie GmbH
    Inventors: Stefan Kraemer, Michael Seger, Alois Seidl