Patent Assignment
Reel/Frame 020718/0758
Change of Name
Recorded: 2008-03-28
Pages: 5
Assignor
HYDRIL GENERAL LLC
Executed: 2007-07-19
Assignee
HYDRIL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Properties
(47)
Marine Riser
Patent:
4,909,327 →
Application:
07/301,636 →
Ram Type Blowout Preventer Having Improved Ram Front Packings
Patent:
5,180,137 →
Application:
07/770,181 →
Ram Type Blowout Preventer Having Improved Ram Front Packing
Patent:
5,125,620 →
Application:
07/770,222 →
Safety Sub for Retaining Drilling Fluids
Patent:
5,339,864 →
Application:
08/094,513 →
Carbon Black Pair with Different Particle Size and Improved Rubber Stock
Patent:
5,430,087 →
Application:
08/116,125 →
Safety Sub with Asymmetrical Wall Elastomeric Closure for Retaining Drilling Fluids
Patent:
5,364,064 →
Application:
08/213,623 →
Variable Diameter Pipe Protector
Patent:
5,465,759 →
Application:
08/215,903 →
Hose-To Wireline Connector
Patent:
5,542,776 →
Application:
08/259,956 →
Position Instrumented Blowout Preventer
Patent:
5,407,172 →
Application:
08/303,595 →
Ram Type Blowout Preventer
Patent:
37,538 →
Application:
08/548,201 →
Low Profile and Lightweight High Pressure Blowout Preventer
Patent:
5,638,855 →
Application:
08/599,177 →
Rubber Riveting of Molded Parts
Patent:
5,906,375 →
Application:
08/617,674 →
Rotating Blowout Preventer
Patent:
5,848,643 →
Application:
08/770,719 →
Pulsation Dampener Diaphragm
Patent:
5,868,168 →
Application:
08/905,850 →
Blowout Preventer Control System
Patent:
6,032,742 →
Application:
08/987,684 →
Bi-Directional Rotary Output Actuator
Patent:
6,302,128 →
Application:
09/027,394 →
Pressure Balanced Choke and Kill Line Connector
Patent:
6,089,321 →
Application:
09/039,984 →
Pressure Vessel Clamp Connector
Patent:
6,003,548 →
Application:
09/121,752 →
Shear Ram for Ram-Type Blowout Preventer
Patent:
6,173,770 →
Application:
09/196,875 →
Retrievable downhole adjustable choke
Patent:
6,338,385 →
Application:
09/548,807 →
Quick Release Blowout Preventer Bonnet
Mounts for Blowout Preventer Bonnets
Quick Release Blowout Preventer Bonnet
Wedge Thread with Sealing Metal
Rotating Fluid Union
Integrated mixing pump
Application:
11/450,615 →
Publication:
US 2007/0286745
Mounts for Blowout Preventer Bonnets
Pressure energized radial seal
Reinforcement of Irregular Pressure Vessels
Mux Bop Database Mirroring
Heat Treatment Method of Inlaid Pressure Vessels
Application:
11/555,984 →
Publication:
US 2008/0105340
Dual-Direction Ram-Type Blowout Preventer Seal
Heat Treatment of Inlaid Pressure Vessels
Application:
11/626,148 →
Publication:
US 2008/0105341
Ram Bop Position Sensor
Imputing Strength Gradient in Pressure Vessels
High Pressure-Rated Ram Blowout Preventer and Method of Manufacture
Application:
11/680,982 →
Publication:
US 2008/0078081
Hydraulic Rams
Application:
11/718,705 →
Publication:
US 2009/0127482
Ram Bop Shear Device
Seal for Blowout Preventer with Selective Debonding
Application:
11/829,697 →
Publication:
US 2008/0023917
Annular Bop Packing Unit
Method of Designing Blowout Preventer Seal Using Finite Element Analysis
Application:
11/829,752 →
Publication:
US 2008/0027693
Revised Cure Cycle for Annular Packing Units
Cladding for Fatigue Control
Application:
11/962,661 →
Publication:
US 2009/0158591
Annular Bop Packing Unit
Application:
60/820,723 →
Method of designing annular blowout preventer seal using finite element analysis
Application:
60/847,760 →
Revised Cure Cycle for Annular Packing Units
Application:
60/912,809 →
Pressure Relief Valve and Method for Subsea Components
Application:
60/915,170 →
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 13, 1996
From: REYNOLDS, GRAEME E.
To: HYDRIL COMPANY
Reel/Frame 008215/0735 →
Assignment of Assignor's Interest
Sep 23, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014499/0197 →
Assignment of Assignor's Interest
Dec 2, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014763/0830 →
Release of Lien
Jun 16, 2004
From: CHASE BANK OF TEXAS, NATIONAL ASSOCIATION
To: HYDRIL COMPANY
Reel/Frame 014734/0860 →
Assignment of Assignor's Interest
Oct 8, 2004
From: HOLLAND, WILLIAM R.
To: HYDRIL COMPANY LP
Reel/Frame 015873/0095 →
Assignment of Assignor's Interest
Sep 16, 2005
From: HEMPHILL, EDWARD RYAN; BERCKENHOFF, MICHAEL WAYNE; CARBAUGH, WILLIAM L.
To: HYDRIL COMPANY LP
Reel/Frame 016994/0136 →
Assignment of Assignor's Interest
Dec 7, 2007
From: REYNOLDS, HARRIS A., JR.
To: HYDRIL COMPANY LLC
Reel/Frame 020211/0256 →
Corrective Assignment to Correct the Assignee's Name Previously Recorded on Reel 020211 Frame 0256. Assignor(S) Hereby Confirms the Corrected Assignment to Correct the Assignee's Name from Hydril Company Llc to Hydril Llc.
Jan 10, 2008
From: REYNOLDS, HARRIS A, JR
To: HYDRIL LLC
Reel/Frame 020349/0015 →
Merger
Mar 28, 2008
From: HYDRIL COMPANY LP
To: HYDRIL GENERAL LLC
Reel/Frame 020718/0733 →
Assignment of Assignor's Interest
Jun 5, 2008
From: HYDRIL LLC
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 021050/0491 →
Assignment of Assignor's Interest
Jul 17, 2009
From: HUFF, PHILIP A; PRUDEN, KEITH
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 022960/0947 →
Change of Name
Sep 27, 2021
From: HYDRIL USA MANUFACTURING LLC
To: HYDRIL USA DISTRIBUTION LLC
Reel/Frame 057608/0915 →
Merger
Nov 10, 2021
From: HYDRIL USA MANUFACTURING LLC
To: HYDRIL USA DISTRIBUTION LLC
Reel/Frame 058783/0921 →
Assignment of Assignor's Interest
Sep 30, 2025
From: BERGMAN, WENDY R.
To: SYNGENTA CROP PROTECTION AG
Reel/Frame 072414/0807 →