Inventor
WATSON JOHN DAVID
US30 patents
⚠️ This page may combine multiple inventors who share the name “WATSON JOHN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RAILPOWER TECHNOLOGIES CORP
5 patentsUS7349797B2Mar 25, 2008
Emission management for a hybrid locomotive
RAILPOWER TECHNOLOGIES CORP115 citations97
US7507500B2Mar 24, 2009
Design of a large battery pack for a hybrid locomotive
RAILPOWER TECHNOLOGIES CORP62 citations96
US7124691B2Oct 24, 2006
Method for monitoring and controlling locomotives
RAILPOWER TECHNOLOGIES CORP55 citations93
US7064507B2Jun 20, 2006
Managing wheel skid in a locomotive
RAILPOWER TECHNOLOGIES CORP27 citations92
US7084602B2Aug 1, 2006
Predicting wheel slip and skid in a locomotive
RAILPOWER TECHNOLOGIES CORP27 citations91
ROCKTEK LTD
4 patentsUS6035784AMar 14, 2000
Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole
ROCKTEK LTD40 citations96
US6435096B1Aug 20, 2002
Method and apparatus for controlled small-charge blasting by decoupled explosive
ROCKTEK LTD30 citations92
US6148730ANov 21, 2000
Method and apparatus for controlled small-charge blasting by pressurization of the bottom of a drill hole
ROCKTEK LTD17 citations92
US6145933ANov 14, 2000
Method for removing hard rock and concrete by the combination use of impact hammers and small charge blasting
ROCKTEK LTD16 citations90
OIL SANDS UNDERGROUND MINING I
3 patentsUS6929330B2Aug 16, 2005
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I56 citations94
US6869147B2Mar 22, 2005
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I40 citations94
US6554368B2Apr 29, 2003
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I52 citations94
RAILPOWER LLC
3 patentsUS7944081B2May 17, 2011
Multi-power source locomotive control method and system
RAILPOWER LLC22 citations92
US7667347B2Feb 23, 2010
Multi-power source locomotive control method and system
RAILPOWER LLC43 citations92
US7940016B2May 10, 2011
Regenerative braking methods for a hybrid locomotive
RAILPOWER LLC42 citations90