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Werner Gruenwald, Ralf Haug, Thomas Burkhart, Martin Mennig, Helmut Schmidt, Monika Schneider: Anisotropically conducting adhesive, and process for producing an anisotropically conducting adhesive. Robert Bosch, Norman N Kunitz, Ashley J Wells, Venable, April 6, 1999: US05891366 (40 worldwide citation)

An anisotropically conducting adhesive includes a thermoplastic base material; and particles which include metal particles and metal ions, which are electrically conductive, and which are finely distributed within the thermoplastic base material below a percolation threshold, wherein the particles a ...


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Thomas Wagner, Thomas Burkhart, Ulf Friesen, Manfred Vohla, Josef Staltmeir: Method and device for controlling an electrically actuated wear adjuster. Knorr Bremse Systeme für Schienenfahrzeuge, Barnes & Thornburg, August 19, 2008: US07413061 (10 worldwide citation)

A method and a device for controlling an electrically actuated wear adjuster of a brake application device for vehicles, in particular rail vehicles. Said method comprises the following steps: a) determination of an actual application stroke of brake linings against an allocated brake disc or brake ...


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Juergen Hillmann, Thomas Burkhart, Kevin Koelling: Arrangement and method for checking optical diffraction structures on documents. Cross Match Technologies, Reed Smith, March 18, 2008: US07345747 (4 worldwide citation)

The invention is directed to an arrangement and a method for checking optical diffraction structures (e.g., kinegrams) on documents. The object of the invention, to find a novel possibility for checking optical diffraction structures on documents which permits detection of the presence and authentic ...


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Werner Gruenwald, Ralf Haug, Thomas Burkhart, Martin Mennig, Helmut Schmidt: Process for producing an electrically conductive connection. Robert Bosch, Spencer & Frank, June 29, 1999: US05916407 (4 worldwide citation)

A process for producing an electrically conductive connection between opposite arranged contact areas of two elements that are to be connected, by means of a hot-melt type adhesive formed of electrically conductive particles, which are dispersed in a thermoplastic base material. The hot-melt type ad ...


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Thomas Burkhart, Siegfried Wallenwein, Gerhard Brindoepke, Gerd Walz: Urethane-modified novolaks for increasing the steel cord adhesion and rigidity of vulcanized rubber blends. Vianora Resins, Connolly & Hutz, January 12, 1999: US05859169 (4 worldwide citation)

Urethane-modified novolaks which are prepared by simultaneous reaction of a monohydric or polyhydric phenol (A) with an oxo compound (aldehyde or ketone) (B) and a urethane (C) in the presence of an acidic catalyst (D) at an elevated temperature of 60.degree. to 200.degree. C. and contain no interfe ...


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Ulf Friesen, Thomas Burkhart: Method for monitoring the state of a bogie of a railway vehicle comprising at least one wheel set. Knorr Bremse Systeme fur Schienenfahrzeuge, Barnes & Thornburg, October 28, 2014: US08874304 (1 worldwide citation)

A method for monitoring the state of a bogie of a railway vehicle having at least one wheel set, wherein the wheels of the wheel set are rigidly connected by an axle and have an approximately conical wheel profile, and signals corresponding to a sinusoidal run of the wheel set of the bogie based on ...


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Thomas Burkhart, Ulf Friesen: Device and method for error monitoring for undercarriage components of rail vehicles. Knorr Bremse Systeme fur Schienenfahrzeuge, August 7, 2012: US08234917 (1 worldwide citation)

The invention relates to a device for monitoring errors in undercarriage components of rail vehicles, having at least one acceleration sensor which works with an evaluation unit. At least one acceleration sensor is arranged on the undercarriage of the rail vehicle in such a manner that its direction ...


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Thomas Burkhart, Siegfried Wallenwein: Plastified novolaks as additive to rubber mixtures. Solutia Germany & Co KG, Connolly Bove Lodge & Hutz, December 7, 2004: US06828391 (1 worldwide citation)

Use, as modifier resin for rubber mixtures, of novolaks ABC plastified with terpene-type olefinically unsaturated natural substances C, where the ratio of the molar amount of the phenol or phenol derivative B and the molar amount of the natural substance C in the modified novolak is from 1:6 to 6:1, ...