Ward Whitt's Patent's
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Efficient, Rate-Based Multiaccess Control,
U.S. Patent 5,274,644
issued December 12, 1993
(with Arthur W. Berger and Rodolfo A. Milito).
Efficiently Providing Multiple Grades of Service with Protection
Against Overloads in Shared Resources,
U.S. patent 5,719,854 issued February 17, 1998 (with
Gagan L. Choudhury and Kin K. Leung).
Systems and Methods for Estimating a Blocking Probability,
U.S. Patent 5,805,681 issued
September 8, 1998 (with Rayadurgam Srikant).
Resource Sharing for Book-Ahead and Instantaneous-Request Calls,
U.S. Patent 5,878,026 issued March 2, 1999
(with Albert Greenberg and Rayadurgam Srikant).
Method for Determining Server Staffing
in Management of Finite Server Queueing Systems,
U.S. Patent 5,923,873
issued July 13, 1999 (with William A. Massey).
Method and Apparatus for Predicting Queueing Delays,
U.S. Patent 6,023,681
issued February 8, 2000.
Traffic Management in Packet Communication Networks Having Service Priorities
and Employing Effective Bandwidths,
U.S. Patent 6,160,818 issued
December 12, 2000 (with Arthur W. Berger).
Dynamic Staffing of Telephone Call Centers to Provide Substantially
U.S. Patent 6,330,326
issued December 11, 2001.
Method for Preventing Overload Condition in a Circuit Switched Arrangement,
U.S. Patent 6,987,848
issued January 17, 2006. (with Gagan L. Choudhury, Alan E. Kaplan and Vaidyanathan Ramaswami).
Contact-Center Routing Based on Incentives and/or Agent Preferences,
filed January 14, 2005 (with Michael E. Sisselman), Application Number 20060153356.
Contact-Center Routing Based on Games or Contests Involving the Agents,
filed February 15, 2005 (with Michael E. Sisselman), Application Number 20060182258.
A Staffing Algorithm with Skill-Based Routing,
provisional patent application filed April 11, 2005 (with Rodney B. Wallace).