Inventor
HICKENLOOPER HARRISON THOMAS
US27 patents
⚠️ This page may combine multiple inventors who share the name “HICKENLOOPER HARRISON THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTUM ENGINEERING INC
24 patentsUS7079926B2Jul 18, 2006
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC84 citations99
US6865454B2Mar 8, 2005
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC127 citations99
US7092801B2Aug 15, 2006
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC67 citations98
US7036774B2May 2, 2006
Method and system for checking track integrity
QUANTUM ENGINEERING INC81 citations98
US7024289B2Apr 4, 2006
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC64 citations98
US6996461B2Feb 7, 2006
Method and system for ensuring that a train does not pass an improperly configured device
QUANTUM ENGINEERING INC117 citations98
US6957131B2Oct 18, 2005
Positive signal comparator and method
QUANTUM ENGINEERING INC97 citations98
US6915191B2Jul 5, 2005
Method and system for detecting when an end of train has passed a point
QUANTUM ENGINEERING INC88 citations98
US6903658B2Jun 7, 2005
Method and system for ensuring that a train operator remains alert during operation of the train
QUANTUM ENGINEERING INC103 citations98
US6863246B2Mar 8, 2005
Method and system for automated fault reporting
QUANTUM ENGINEERING INC111 citations98
US6853888B2Feb 8, 2005
Lifting restrictive signaling in a block
QUANTUM ENGINEERING INC89 citations98
US6845953B2Jan 25, 2005
Method and system for checking track integrity
QUANTUM ENGINEERING INC113 citations98
US6824110B2Nov 30, 2004
Method and system for automatically activating a warning device on a train
QUANTUM ENGINEERING INC90 citations98
US6609049B1Aug 19, 2003
Method and system for automatically activating a warning device on a train
QUANTUM ENGINEERING INC105 citations98
US7092800B2Aug 15, 2006
Lifting restrictive signaling in a block
QUANTUM ENGINEERING INC54 citations96
US6978195B2Dec 20, 2005
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC57 citations96
US7593795B2Sep 22, 2009
Method and system for compensating for wheel wear on a train
QUANTUM ENGINEERING INC18 citations92
US7283897B2Oct 16, 2007
Method and system for compensating for wheel wear on a train
QUANTUM ENGINEERING INC16 citations92
US7236860B2Jun 26, 2007
Method and system for ensuring that a train does not pass an improperly configured device
QUANTUM ENGINEERING INC17 citations92
US7200471B2Apr 3, 2007
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC25 citations92
US7142982B2Nov 28, 2006
System and method for determining relative differential positioning system measurement solutions
QUANTUM ENGINEERING INC35 citations92
US6701228B2Mar 2, 2004
Method and system for compensating for wheel wear on a train
QUANTUM ENGINEERING INC28 citations92
US6970774B2Nov 29, 2005
Method and system for compensating for wheel wear on a train
QUANTUM ENGINEERING INC17 citations84
US7139646B2Nov 21, 2006
Train control system and method of controlling a train or trains
QUANTUM ENGINEERING INC8 citations74