Patents by Inventor Frieder Scheller

Frieder Scheller 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).

  • Mobile hand-held apparatus with reusable biosensor
    Patent number: 7192515
    Abstract: Mobile hand-held apparatus with reusable biosensor, in particular for the local determination of original biological solutions, marked by a functional wheel with valve and pump function, an amperometric biosensor, a measuring cell, supply and waste bags for fresh and waste system solution, a pump, a hose transport system, a sample opening and a sample canal, a sealing lever for sensor exchange, a display, operating elements, a 9 V accumulator, a solar cell, a control unit for signal processing and the whole measuring process and a case.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: March 20, 2007
    Assignee: ABT Advanced Bioanalytical Technology GmbH
    Inventors: Norbert Klimes, Dorothea Pfeiffer, Jan Szeponik, Frieder Scheller, Fred Held
  • Mobile hand-held unit comprising a reusable biosensor
    Publication number: 20030029231
    Abstract: Mobile hand-held equipment with reusable biosensor, in particular for the local determination of original biological solutions, marked by a functional wheel with valve and pump function, an amperometric biosensor, a measuring cell, supply and waste bags for fresh and waste system solution, a pump, a hose transport system, a sample opening and a sample canal, a sealing lever for sensor exchange, a display, operating elements, a 9 V accumulator, a solar cell, a control unit for signal processing and the whole measuring process and a case.
    Type: Application
    Filed: September 13, 2002
    Publication date: February 13, 2003
    Inventors: Norbert Klimes, Dorothea Pfeiffer, Jan Szeponik, Frieder Scheller, Fred Held
  • Portable hand-held device with a biosensor
    Patent number: 6171238
    Abstract: The invention pertains to a portable hand device with biosensor for the investigation of biological fluids such as whole blood, liquor, urine and serum. It is characterized by a securely fixed electrode, which is covered by a replaceable biomembrane, as reservoir bag containing system solution and a waste bag, a pump, a tube transport system, an operating lever with a valve function, three operating elements, a display, and a control unit signal capture and overall procedure.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: January 9, 2001
    Assignee: BST Bio Sensor Technologies GmbH
    Inventors: Norbert Klimes, Dorothea Pfeiffer, Jan Szeponik, J{umlaut over (u)}rgen Nentwig, Frieder Scheller
  • Method of making an enzyme membrane for enzyme electrodes
    Patent number: 4987075
    Abstract: The inventive membrane of high selectivity comprises a laminated enzyme membrane, which is enclosed by two cellulose membranes. The laminated enzyme membrane is an enzyme-containing polyurethane layer; the cellulose membranes are coated with cellulose nitrate.The inventive process is characterized in that ferricyanide or hydrogen peroxide is added in the presence of peroxidase to the measurement sample, the measurement portion or the enzyme membrane.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: January 22, 1991
    Assignee: Akademie der Wissenschaften
    Inventors: Jurgen Nentwig, Frieder Scheller, Gunter Hanke, Wolfgang Breitmoser, Hartmut Weise, Dorothea Pfeiffer, Anette Nunchert, Florian Schubert, Christoph Meiske, Siegfried Kuhnel