Patents by Inventor John J. Westerkamp

John J. Westerkamp 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).

  • Publication number: 20020026328
    Abstract: A method and apparatus for remote management of patient accounts for the healthcare industry comprising key flashpoints in the patient account lifecycle and a centralized management unit that oversees and manages the entire patient account lifecycle. The centralized management unit comprises a manager and a plurality of management control reports, alerts, edits, and checklists. The manager communicates with the healthcare provider, patients, and payors to obtain information required to ensure maximum reimbursement of claims for healthcare services. Operating reports are included whereby healthcare providers can monitor the performance of the system and continuously improve the process resulting in improved cash flow, reduced bad debt, reduced costs, and reduced healthcare days in receivable. Standards are defined for each of the performance measures.
    Type: Application
    Filed: May 4, 2001
    Publication date: February 28, 2002
    Inventors: Thomas M. Westerkamp, John J. Westerkamp
  • Patent number: 5235529
    Abstract: In a vehicle suspension control in which the output of a vehicle body mounted absolute vertical acceleration sensor is integrated to provide an absolute vertical velocity signal, the sensor output is high pass filtered to remove DC components but pass components in the frequency range 1-2 Hz. The filter comprises a second order digital all-pass filter embodied recursively on a 16 bit, fixed point, digital signal processor (DSP). A first stage normalized lattice two-pair network reduces to a unity gain stage; and a second stage single multiplier two-pair lattice network minimizes computational time. The 32 bit internal accumulators of the 16 bit DSP are used advantageously to prevent errors due to internal overflow of the recursive variable.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: August 10, 1993
    Assignee: General Motors Corporation
    Inventors: Reed D. Hanson, Kamal N. Majeed, Steven L. Tracht, John J. Westerkamp