Inventor
DUFFY JOSEPH D
US4 patents
Patents
4 patentsUS7167762B2Jan 23, 2007
System and method for implementing safety instrumented systems in a fieldbus architecture
FIELDBUS FOUNDATION133 citations96
US6999824B2Feb 14, 2006
System and method for implementing safety instrumented systems in a fieldbus architecture
FIELDBUS FOUNDATION164 citations96
US7486999B2Feb 3, 2009
System and method for implementing safety instrumented systems in a fieldbus architecture
FIELDBUS FOUNDATION15 citations90
US7489977B2Feb 10, 2009
System and method for implementing time synchronization monitoring and detection in a safety instrumented system
FIELDBUS FOUNDATION11 citations82