DJ

David J. Sirag, Jr.

OE Otis Elevator: 20 patents #64 of 1,840Top 4%
LE Lear: 1 patents #905 of 1,996Top 50%
Overall (All Time): #210,810 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8307952 Elevator system with multiple cars in a hoistway Richard N. Fargo, Harold Terry, Frank Sansevero, Boris G. Traktovenko, John M. Milton-Benoit +2 more 2012-11-13
7490698 Elevator traffic control 2009-02-17
7487861 Elevator traffic control Robert E. LaBarre 2009-02-10
7475757 Elevator dispatching with balanced passenger perception of waiting Mary Ann T. Valk 2009-01-13
7267202 Elevator dispatching with guaranteed time performance using real-time service allocation 2007-09-11
6545236 Vehicle interior component having a flexible cover with integrated circuitry Mary Ann T. Valk 2003-04-08
6357554 Elevator ride improvements utilizing smart floor Mary Ann T. Valk, Robert G. Morgan 2002-03-19
6328135 Modifying elevator group behavior utilizing complexity theory George Scott Copeland 2001-12-11
6109396 Remote elevator call placement with provisional call verification Robert G. Morgan, Charles Winston 2000-08-29
5672853 Elevator control neural network Bradley L. Whitehall, Bruce A. Powell 1997-09-30
5668356 Elevator dispatching employing hall call assignments based on fuzzy response time logic Bruce A. Powell, Jannah A. Stanley 1997-09-16
5564550 Adapting escalator speed to traffic using fuzzy logic Jean-Pierre van Rooy, Joseph Bittar, Bruce A. Powell 1996-10-15
5347093 Fuzzy tailoring of elevator passenger fuzzy sets Jeremy B. Kezer, Bertram F. Kupersmith 1994-09-13
5338904 Early car announcement Bruce A. Powell 1994-08-16
5260527 Using fuzzy logic to determine the number of passengers in an elevator car 1993-11-09
5260526 Elevator car assignment conditioned on minimum criteria 1993-11-09
5258587 Estimating elevator passengers from gender ratioed weight Jeremy B. Kezer, Bertram F. Kupersmith 1993-11-02
5252789 Using fuzzy logic to determine the traffic mode of an elevator system Paul T. Weisser, Jr. 1993-10-12
5248860 Using fuzzy logic to determine elevator car assignment utility 1993-09-28
5243155 Estimating number of people waiting for an elevator car based on crop and fuzzy values 1993-09-07
5219042 Using fuzzy logic to determine the number of passengers entering and exiting an elevator car Siddiq A. Sattar, John Mizon 1993-06-15