US PATENT SUBCLASS 976 / DIG 140
.~ Pressure suppression [G21C-9/00B]


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



976 /   HD   NUCLEAR TECHNOLOGY

DIG 139  DD  EMERGENCY PROTECTION ARRANGEMENTS STRUCTALLY ASSOCIATED WITH THE REACTOR (e.g., safety valves provided with pressure equalization devices) [G21C-9/00] *** (emergency cooling arrangements DIG. 196) {6}
DIG 140.~ Pressure suppression [G21C-9/00B] {2}
DIG 141  DD  .~.~> By rupture discs or diaphragms [G21C-9/00B2]
DIG 142  DD  .~.~> By stream condensation or by thermal accumulation [G21C-9/00B4]