Patents by Inventor Hartmund Biedermann

Hartmund Biedermann 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).

  • Conrol valve for a medical suction device
    Patent number: 9004451
    Abstract: A control valve (8) for a medical suction device (1) is provided, with the control valve (8) having an actuating element for freeing and closing a flow path (15) through a valve chamber (11) through the use of a valve plunger (12). Additional air intake openings (16) are formed on the actuating element (10) and define an additional flow path (21) through the valve chamber (11).
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: April 14, 2015
    Assignee: Schölly Fiberoptic GmbH
    Inventors: Stefan Schlenker, Thomas Lietzau, Hartmund Biedermann
  • Control valve for a medical suction device, and medical suction device
    Patent number: 8632495
    Abstract: In a control valve (3) for a medical suction device (1), it is provided that a coupling location (4) of the control valve (3) is includes a guide (8) which, when the control valve (3) is being plugged or fitted into a coupling seat (5) of the medical suction device (1), cooperates with a mating guide piece (9) of the coupling seat (5) for axial guiding and which, in a position turned away from the plugging-in orientation, cooperates with the coupling seat (5) for axially locking the control valve (3) on the coupling seat (5).
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: January 21, 2014
    Assignee: Schölly Fiberoptic GmbH
    Inventors: Stefan Schlenker, Thomas Lietzau, Hartmund Biedermann
  • CONTROL VALVE FOR A MEDICAL SUCTION DEVICE, AND MEDICAL SUCTION DEVICE
    Publication number: 20120215168
    Abstract: In a control valve (3) for a medical suction device (1), it is provided that a coupling location (4) of the control valve (3) is includes a guide (8) which, when the control valve (3) is being plugged or fitted into a coupling seat (5) of the medical suction device (1), cooperates with a mating guide piece (9) of the coupling seat (5) for axial guiding and which, in a position turned away from the plugging-in orientation, cooperates with the coupling seat (5) for axially locking the control valve (3) on the coupling seat (5).
    Type: Application
    Filed: February 2, 2012
    Publication date: August 23, 2012
    Applicant: SCHOLLY FIBEROPTIC GMBH
    Inventors: Stefan Schlenker, Thomas Lietzau, Hartmund Biedermann
  • CONROL VALVE FOR A MEDICAL SUCTION DEVICE
    Publication number: 20120211104
    Abstract: A control valve (8) for a medical suction device (1) is provided, with the control valve (8) having an actuating element for freeing and closing a flow path (15) through a valve chamber (11) through the use of a valve plunger (12). Additional air intake openings (16) are formed on the actuating element (10) and define an additional flow path (21) through the valve chamber (11).
    Type: Application
    Filed: February 1, 2012
    Publication date: August 23, 2012
    Applicant: SCHOLLY FIBEROPTIC GMBH
    Inventors: Stefan Schlenker, Thomas Lietzau, Hartmund Biedermann
  • ENDOSCOPE SET
    Publication number: 20110112369
    Abstract: An endoscope (1) in which at least two light outlets (7, 10) for illuminating the field of view are provided, each of which forms a light cone (8, 11). The angles of beam spread (9, 12) of the light cones (8, 11) are different and at least the light cone (11) with the smaller angle of beam spread (12) can be switched on and off.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 12, 2011
    Applicant: Scholly Fiberoptic GmbH
    Inventors: Lothar Sterling, Stefan Schlenker, Karl Maechner, Hartmund Biedermann