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Inventor
ROGERS ROBERT N
7 patents
⚠️ This page may combine multiple inventors who share the name “ROGERS ROBERT N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VETCO GRAY INC
2 patents
US7219741B2
May 22, 2007
Tubing annulus valve
VETCO GRAY INC
20 citations
92
US7063160B2
Jun 20, 2006
Non-orienting tubing hanger system with a flow cage
VETCO GRAY INC
21 citations
91
VETCO GRAY INC ABB
1 patent
US6840323B2
Jan 11, 2005
Tubing annulus valve
VETCO GRAY INC ABB
66 citations
95
VOSS ROBERT K
1 patent
US8474537B2
Jul 2, 2013
High capacity wellhead connector having a single annular piston
VOSS ROBERT K
46 citations
90
ROGERS ROBERT N
1 patent
US8087181B2
Jan 3, 2012
Valve body seat pocket inspection tool
ROGERS ROBERT N
9 citations
78
EATON CORP
1 patent
US3945923A
Mar 23, 1976
Modular water filter
EATON CORP
25 citations
75
COFFEY JOHN R
1 patent
US4058464A
Nov 15, 1977
Helically wound expandable filter
COFFEY JOHN R
17 citations
68