Patent Assignment
Reel/Frame 025785/0573
Assignment of Assignor's Interest
Recorded: 2011-02-15
Pages: 4
Assignor
WILLIAMS, JOHN R.
Executed: 2011-02-10
Assignee
HAMPTON IP HOLDINGS CO., LLC
505 WEST 21ST STREET, GEORGETOWN, TEXAS, 78626
Covered Properties
(35)
Stripper Rubber Adapter
Stripper Rubber Insert Assembly
Mechanical Connection System
Spring-Biased Pin Connection System
Armored Stripper Rubber
Stripper Rubber Insert Assembly
Stripper Rubber Adapter
Mechanical Connection System
Armored Stripper Rubber
Spring-Biased Pin Connection System
Stripper Rubber Insert Assembly
Stripper Rubber Retracting Connection System
Stripper Rubber with Integral Retracting Retention Member Connection Apparatus
Bearing Assembly Retaining Apparatus and Well Drilling Equipment Comprising Same
Bearing Assembly Inner Barrel and Well Drilling Equipment Comprising Same
Bearing Assembly System with Integral Lubricant Distribution and Well Drilling Equipment Comprising Same
Spring Preloaded Bearing Assembly and Well Drilling Equipment Comprising Same
Stripper Rubber Pot Mounting Structure and Well Drilling Equipment Comprising Same
Heat Exchanger System and Method of Use Thereof and Well Drilling Equipment Comprising Same
Tapered Surface Bearing Assembly and Well Drilling Equipment Comprising Same
Spring Load Seal Assembly and Well Drilling Equipment Comprising Same
Breech Lock Stripper Rubber Pot Mounting Structure and Well Drilling Equipment Comprising Same
Tapered Bearing Assembly Cover Plate and Well Drilling Equipment Comprising Same
Reinforced Stripper Rubber Body and Method of Making Same
Spring Preloaded Bearing Assembly and Well Drilling Equipment Comprising Same
Spring Load Seal Assembly and Well Drilling Equipment Comprising Same
Rotating control device having bearing assembly housing with replaceable wear sleeve
Application:
12/653,232 →
Publication:
US 2010/0089654
Rotating Control Device with Replaceable Bowl Sleeve
Bearing Assembly System with Integral Lubricant Distribution and Well Drilling Equipment Comprising Same
Bearing Assembly Retaining Apparatus and Well Drilling Equipment Comprising Same
Reinforced Stripper Rubber Body and Method of Making Same
Heat Exchanger System and Method of Use Thereof and Well Drilling Equipment Comprising Same
Tapered Surface Bearing Assembly and Well Drilling Equipment Comprising Same
Bearing Assembly Inner Barrel and Well Drilling Equipment Comprising Same
Rotating control head, rotating blowout preventer and the like
Application:
60/966,280 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.