Patents by Inventor Ulf-Eiel F. Bach

Ulf-Eiel F. Bach 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: 5770073
    Abstract: A combined venous and cardiotomy blood reservoir is provided that includes a rigid shell having a top, a bottom, and a continuous side wall. The top and bottom walls are connected to the continuous side walls so as to define a reservoir for venous and cardiotomy blood. A double column structure is provided within the blood reservoir, the first column for receiving and degassing venous blood, the second for receiving, filtering and defoaming cardiotomy blood. The venous blood filtering and defoaming components can include a top venous screen plate, a bottom venous screen plate or stand and a perforated venous cage captured therebetween. The venous column is of generally D-shape and has a double screen structure including an inner microscreen and an outer microscreen received respectively on the inside and outside of the perforated venous cage.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: June 23, 1998
    Assignee: Minntech Corporation
    Inventors: Ulf-Eiel F. Bach, James Strom
  • Patent number: 5718869
    Abstract: A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the mat wound under tension into a bundle which includes from 16 to 24 layers of the mat. The oxygenator provided permits prime volumes of 180 to 240 mLs.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: February 17, 1998
    Assignee: Minntech Corporation
    Inventors: Ulf-Eiel F. Bach, Paul D. Brinda, Louis C. Cosentino
  • Patent number: 5706889
    Abstract: A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the mat wound under tension into a bundle which includes from 16 to 24 layers of the mat. The oxygenator provided permits prime volumes of 180 to 240 mLs.
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: January 13, 1998
    Assignee: Minntech Corporation
    Inventors: Ulf-Eiel F. Bach, Paul D. Brinda, Louis C. Cosentino
  • Patent number: 5429184
    Abstract: A low prime, high heat exchange efficiency oxygenator is provided which includes an oxygenation portion and a heat exchanger portion. Disposed within the heat exchanger portion is a hollow tube heat exchanger wound bundle which includes a plurality of hollow tubes knitted into a mat, the mat wound under tension into a bundle which includes from 16 to 24 layers of the mat. The oxygenator provided permits prime volumes of 180 to 240 mLs.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: July 4, 1995
    Assignee: Minntech Corporation
    Inventors: Ulf-Eiel F. Bach, Paul D. Brinda, Louis C. Cosentino
  • Patent number: 5151179
    Abstract: A faucet mounted water filtration unit having two tubular hollow legs depending from a base member with a coupler for attaching the unit to a faucet spout, with the spout straddled by the legs and the unit positioned about the faucet. One leg brings unfiltered water from the faucet spout attachment into the filter housing containing a replaceable cartridge. The other tubular leg brings filtered water from the filter unit to an outlet port. A diverter valve on the base allows one to bypass the filter unit to receive unfiltered water.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: September 29, 1992
    Assignee: Northland Aluminum Products, Inc.
    Inventors: Ulf-Eiel F. Bach, Rodney N. Rueter, John N. Taylor
  • Patent number: D361130
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: August 8, 1995
    Assignee: Minntech Corporation
    Inventors: Richard P. Goldhaber, Paul D. Brinda, Ulf-Eiel F. Bach