Inventor
GRAF HANS-JUERGEN
US6 patents
Patents
6 patentsUS4859375AAug 22, 1989
Chemical refill system
AIR PROD & CHEM117 citations93
US5041267AAug 20, 1991
Ultra high purity reagent container with large breakseal
AIR PROD & CHEM31 citations89
US4979643ADec 25, 1990
Chemical refill system
AIR PROD & CHEM55 citations89
US4696411ASep 29, 1987
Large breakseal actuator with built-in valve
AIR PROD & CHEM25 citations88
US4886178ADec 12, 1989
Method and apparatus for packaging, shipping and using poisonous liquids
AIR PROD & CHEM21 citations80
US4842827AJun 27, 1989
Vacuum vapor transport control
AIR PROD & CHEM19 citations75