Petroleum coking drum with slump preventers

• US H001,442 H1
• Filed: 11/16/1992
• Issued: 06/06/1995
• Est. Priority Date: 11/16/1992
• Status: Expired due to Term

• Current Assignee: Atlantic Richfield Company Incorporated (BP PLC)
• Original Assignee: Atlantic Richfield Company Incorporated (BP PLC)
• Inventors: Edgerton, David M., Willis, Kerry L., Miller, Kip W.
• Primary Examiner(s): WU, SHEAN CHIU
• Application Number:
  US07/976,813
• Publication Number:
  US H001,442 H1
• Time in Patent Office: 932 Days
• Field of Search: 196/130, 196/133, 196/122, 196/125, 202/121, 202/241, 202/252, 202/261, 202/222
• US Class Current: 196/125
• CPC Class Codes: N/A

Claims