Patent Assignment
Reel/Frame 013933/0546
Declaration
Recorded: 2003-09-02
Pages: 4
Assignor
BOYD, ANTHONY RAY
Executed: 2003-08-28
Assignees
BOYD'S BIT SERVICE, INC.
10370 RICHMOND AVENUE, SUITE 990, HOUSTON, TEXAS, 77042
PERF-O-LOG, INC.
10370 RICHMOND AVENUE, SUIE 990, HOUSTON, TEXAS, 77042
Covered Properties
(9)
System for Using Inert Gas in Oil Recovery Operations
Patent:
6,357,524 →
Application:
09/272,029 →
System for Measuring the Direction and Revolution of a Production String
Patent:
6,276,466 →
Application:
09/429,792 →
Method and Apparatus for Controlling Well Pressure While Undergoing Wireline Operations on Subsea Blowout Preventers
Patent:
6,367,553 →
Application:
09/571,787 →
Torque Swivel and Method of Using Same
Patent:
6,553,825 →
Application:
09/938,017 →
High Torque and High Capacity Rotatable Center Core and Floatable Sealed Body Assemblies with Universal Ram Applications and Method
Patent:
6,637,516 →
Application:
09/994,161 →
High Torque and High Capacity Rotatable Center Core and Floatable Sealed Body Assemblies with Universals Ram Applications and Method
Torque Swivel and Method of Using Same
Patent:
6,796,191 →
Application:
10/359,885 →
Method and Apparatus for Controlling Well Pressure While Undergoing Subsea Wireline Operations
High Torque and High Capacity Rotatable Center Core with Ram Body Assemblies