Patents by Inventor Klaus Pfeifer

Klaus Pfeifer 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: 7455539
    Abstract: A plug-in circuit board for insertion into and withdrawal from a rack having at least one front profile rail includes a front plate and a lever-latch handle with a gripping bar pivotably-mounted to the front of the plug-in circuit board. The gripping bar includes an elastically deflectable tongue which, in the pushed-in state of the plug-in circuit board, engages the front plate by a magnetic force between a magnetized stop on the front plate and the tongue.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 25, 2008
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Günther, Volker Haag, Stefan Hauber, Michael Joist, Klaus Pfeifer
  • Publication number: 20070149018
    Abstract: A plug-in circuit board for insertion into and withdrawal from a rack having at least one front profile rail includes a front plate and a lever-latch handle with a gripping bar pivotably-mounted to the front of the plug-in circuit board. The gripping bar includes an elastically deflectable tongue which, in the pushed-in state of the plug-in circuit board, engages the front plate by a magnetic force between a magnetized stop on the front plate and the tongue.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 28, 2007
    Applicant: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Volker Haag, Stefan Hauber, Michael Joist, Klaus Pfeifer
  • Patent number: 6572901
    Abstract: The current invention provides an improved process for making a cheese product using transglutaminase. The method comprises the steps of providing a dairy liquid, crosslinking and curding the dairy liquid by adding an acidifying agent and a transglutaminase to the dairy liquid under conditions sufficient to crosslink at least a portion of proteins in the dairy liquid to provide both a curd comprising a crosslinked dairy liquid and a liquid whey, cutting and cooking the curd, separating the curd from the liquid whey, and collecting the curd. Many specific embodiments are provided. Additionally, the current invention provides a product made by the process. The cheese products, especially soft cheeses such cream cheese and cottage cheese, exhibit less syneresis than similar cheeses prepared by conventional methods.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: June 3, 2003
    Assignee: Kraft Foods Holdings, Inc.
    Inventors: Xiao-Qing Han, Jochen Klaus Pfeifer, Richard H. Lincourt, Joseph Michael Schuerman
  • Patent number: 6558716
    Abstract: The present invention provides processes for making a stable cheese product supplemented with functionally enhanced whey protein. In a preferred embodiment of these methods, the cheese product is cream cheese. The added whey protein is functionally enhanced by exposing cheese curds or dairy liquids containing the whey protein to controlled heat treatment and/or treatment at high shear rates. The invention further provides a stable cheese product that is characteristic of a particular variety of cheese and that is supplemented with functionally enhanced whey protein. In a preferred embodiment, the supplemented cheese product is cream cheese.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: May 6, 2003
    Assignee: Kraft Foods Holdings, Inc.
    Inventors: Clinton Kent, Mark Kijowski, Bruce Campbell, Jochen Klaus Pfeifer, Christopher Burl Smith, Rashad Bahrani, Joy Lee, Tim Nellenback, Rashida Uchefuna Byrd, William Zaikos
  • Publication number: 20030054069
    Abstract: The current invention provides an improved process for making a cheese product using transglutaminase. The method comprises the steps of providing a dairy liquid, crosslinking and curding the dairy liquid by adding an acidifying agent and a transglutaminase to the dairy liquid under conditions sufficient to crosslink at least a portion of proteins in the dairy liquid to provide both a curd comprising a crosslinked dairy liquid and a liquid whey, cutting and cooking the curd, separating the curd from the liquid whey, and collecting the curd. Many specific embodiments are provided. Additionally, the current invention provides a product made by the process. The cheese products, especially soft cheeses such cream cheese and cottage cheese, exhibit less syneresis than similar cheeses prepared by conventional methods.
    Type: Application
    Filed: May 2, 2001
    Publication date: March 20, 2003
    Applicant: KRAFT FOODS HOLDINGS, INC.
    Inventors: Xiao-Qing Han, Jochen Klaus Pfeifer, Richard H. Lincourt, Joseph Michael Schuerman
  • Patent number: 6416797
    Abstract: The current invention includes a process for making cream cheese wherein nutrients typically lost as whey during processing are utilized in the final cream cheese; the resulting cream cheese has the body, texture, and taste of conventional cream cheese. The process of the current invention utilizes acidifying and cross-linking steps to process a dairy liquid into a wheyless cream cheese by utilizing the protein cross-linking activity of transglutaminase. The wheyless cream cheese does not require the addition of stabilizers and/or emulsifiers. Furthermore, the cream cheese that is formed is firmer than typical cream cheese and has significantly reduced syneresis.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: July 9, 2002
    Assignee: Kraft Foods Holdings, Inc.
    Inventors: Xiao-Qing Han, Jochen Klaus Pfeifer, Richard Harold Lincourt
  • Patent number: 6246585
    Abstract: A card-holding device for locking a printed circuit card in a guide rail of a subassembly/subrack includes a retaining element that is inserted in the guide rail at the front edge of a printing circuit card when the circuit card is inserted to retain the card. The retaining element swivels outward and away against the elastic restoring force of an activating element. The activating element is releasable from the retaining element to allow withdrawal of the printed circuit card.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: June 12, 2001
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Volker Haag, Paul Mazura, Klaus Pfeifer, Klaus-Michael Thalau, Udo Weiss, Michael Joist
  • Patent number: 6134119
    Abstract: A shielded module support structure for printed circuit boards 2 can be inserted on guide rail 7 and having electrical or electronic components has two parallel side walls 3 and at least four module rails 4 for bearing the guide rails 7. The module rails are anodized aluminum or an anodized aluminum alloy and have, at the front side, at least one seating surface 12 for one or more front plates 9, to improve electrical conductivity, sections of the module rails 4 are freed from the anodized layer. This can be done by removal of protrusions 18 by processes such as mechanical milling. For improved contacting, resilient contact bands 19 may be snapped onto the rails 4 into engagement with the bared seating surfaces 12. The resilient contact bands include sharp-edged breakouts 22 for conductive engagement with plates 9 for effecting a shielded enclosure about the circuit boards 2.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: October 17, 2000
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Paul Mazura, Volker Haag, Klaus Pfeifer, Klaus-Michael Thalau, Michael Joist, Udo Weiss
  • Patent number: 6083037
    Abstract: A contact element having at least one leaf spring 2,3 has a U-shaped contact means 6, the two U-legs 8,9 of which taper towards their ends and can be elastically deformed with respect to each other. This contact element 1 is introduced into a guide groove 22 of a guide rail 13 of a module support structure or the like. The leaf springs 2,3 thereby contact a printed circuit board which can be inserted into the module support structure and the contact means 6, together with guide rail 13, can be clamped in a positioning hole 15 of a module rail 16 of the module support structure to thereby establish electrical contact with the module rail 16. In this manner, the interfering effect of an anodized layer on the module rail 16 is circumvented.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: July 4, 2000
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Paul Mazura, Volker Haag, Klaus Pfeifer, Klaus-Michael Thalau, Michael Joist, Udo Weiss
  • Patent number: 6065614
    Abstract: A module support structure is proposed for printed circuit boards which can be inserted on guide rails. The four parallel module rails of the module support structure to which the guide rails are mounted are connected to the two parallel side walls via a special mounting technique. Specially shaped mounting bolts are used with a head bolt having a flat seating surface, a substantially cylindrical threaded shaft, as well as a transition piece disposed between the bolt head and the threaded shaft and tapering in a conical manner towards the threaded shaft. The mounting bolts are fed through cylindrical mounting holes in the module rails. During tightening, the transition piece abuts against the outer edge of the mounting holes to force the module rails against the projections disposed above or below the mounting holes. In this manner, an exact positioning of the module rails relative to the side walls is necessarily effected.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: May 23, 2000
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Paul Mazura, Volker Haag, Klaus Pfeifer, Klaus-Michael Thalau, Michael Joist, Udo Weiss
  • Patent number: 5930120
    Abstract: A shielded module support structure 1 for printed circuit boards 2 which can be inserted on guide rails 7 and having electrical or electronic components is proposed comprising at least four module rails 4 for mounting the guide rails 7. The printed circuit boards 2 are assembled into plug-in modules 10, each having a front plate 9, wherein the front plates 9 are attached to a threaded-hole-strip using screws, the threaded-hole-strips seating in a groove 11, opening towards the front side of the module support structure 1, in the front module rail 4. In order to assure shielding of the module support structure 1 against interfering radio frequency fields, the front plates 9 are contacted with the module rails 4 using specially formed resilient contact bands 15 which can be snapped onto a seating surface 12 of the module rails 4.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: July 27, 1999
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Paul Mazura, Volker Haag, Klaus Pfeifer, Klaus-Michael Thalau, Michael Joist, Udo Weiss
  • Patent number: 5853296
    Abstract: For the purpose of high frequency effective insulation for gaps in the enclosure of electronic devices, a plate 1 is proposed that shows a groove 9 on at least one of its narrow sides 7, 8. In this groove 9 is a spring element 2 with its attached leaf clip 12. Attached on the leaf clip 12 is a right-angled leaf spring 13, with a base piece 21 and a contact piece 22. The contact piece 22 is bent back on itself and bears a contact fin 29, which makes contact with the corresponding contact piece of a neighboring prefabricated component.
    Type: Grant
    Filed: November 29, 1996
    Date of Patent: December 29, 1998
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Michael Joist, Klaus Pfeifer
  • Patent number: 5576513
    Abstract: In an HF-tight component carrier, a longitudinal groove having a V-shaped profile is proposed for sealing the cover from the upper module rails. A spring member, having a V-shaped cross section is inserted into this longitudinal groove in a fitting and clamping manner. The cover is equipped with edge strips which engage the longitudinal groove. The spring member is provided with a planar rear leaf including a spring tongue and an acutely-angled spring leaf with a claw.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: November 19, 1996
    Assignee: Schroff GmbH
    Inventors: Hans-Ulrich Gunther, Klaus Pfeifer
  • Patent number: 4261814
    Abstract: The invention provides an improvement in the conventional operation of a vacuum pipestill, whereby when used with, for example, an atmospheric residuum either (a) conventional yields are obtainable with less stripping steam utilization, or (b) a deeper cut into the residuum is obtainable for conventional steam utilization. Some of the gaseous mixture normally withdrawn from the top of the vacuum pipestill for washing and removal is fed into compression and recycle means and recycled to the stripping zone of the pipestill to replace, or augment, the conventionally used stripping steam.
    Type: Grant
    Filed: November 22, 1978
    Date of Patent: April 14, 1981
    Assignee: Exxon Research and Engineering Co.
    Inventor: Klaus A. Pfeifer