DW

David E. Walrath

SY Sybase: 8 patents #12 of 384Top 4%
BV Big Horn Valve: 4 patents #5 of 11Top 50%
Overall (All Time): #413,762 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10642833 Accelerating database queries using composite union enumeration Steven A. Kirk, Roland F. McKenney 2020-05-05
10467228 Accelerating database queries using equivalence union enumeration Steven A. Kirk, Roland F. McKenney 2019-11-05
9317556 Accelerating database queries containing bitmap-based conditions Steven A. Kirk 2016-04-19
9305080 Accelerating queries using delayed value projection of enumerated storage Steven A. Kirk, Fang-Ying Yen, Roger MacNicol 2016-04-05
8548980 Accelerating queries based on exact knowledge of specific rows satisfying local conditions Steven A. Kirk 2013-10-01
8321476 Method and system for determining boundary values dynamically defining key value bounds of two or more disjoint subsets of sort run-based parallel processing of data from databases Steven A. Kirk, Kurt Deschler 2012-11-27
8321429 Accelerating queries using secondary semantic column enumeration Steven A. Kirk, Roland F. McKenney, Roger MacNicol 2012-11-27
7672925 Accelerating queries using temporary enumeration representation Steven A. Kirk, Roland F. McKenney 2010-03-02
6557576 Apparatus and method of flow control through a valve William R. Lindberg, Robert K. Burgess 2003-05-06
6279595 Increased flow, split venturi valve system William R. Lindberg, Robert K. Burgess 2001-08-28
6109293 Split venturi, axially-rotated valve William R. Lindberg, Robert K. Burgess 2000-08-29
6026845 Flow, split Venturi, axially-rotated valve William R. Lindberg, Robert K. Burgess, James LaBelle 2000-02-22