Patent Assignment
Reel/Frame 073411/0343
Assignment of Assignor's Interest
Recorded: 2026-01-08
Pages: 10
Assignor
SUPERIOR GRAPHITE CO.
Executed: 2025-10-17
Assignee
EXXONMOBIL ADVANCED GRAPHITE SOLUTIONS LLC
22777 SPRINGWOODS VILLAGE PARKWAY, SPRING, TEXAS, 77389
Covered Properties
(4)
Cement Compositions Including Resilient Graphitic Carbon Fraction
Patent:
8,617,309 →
Application:
13/763,276 →
Drilling Fluid Additive for Loss Circulation and Wellbore Strengthening
Compressible Carbonaceous Particulate Material and Method of Making Same
Carbon Particles and Method for Their Manufacture
Application:
19/111,341 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 22, 2013
From: CARNEY, PETER ROY; BAER, CRAIG ALLEN; DERWIN, DAVID J.; ZHOU, CHANGJUN
To: SUPERIOR GRAPHITE CO.
Reel/Frame 029855/0430 →
Assignment of Assignor's Interest
Mar 22, 2013
From: ZHOU, CHANGJUN; DERWIN, DAVID J.; WAWRZOS, FRANK
To: SUPERIOR GRAPHITE COMPANY
Reel/Frame 030065/0783 →
Assignment of Assignor's Interest
Feb 3, 2014
From: ZHOU, CHANGJUN; NELSON, RICHARD D.
To: SUPERIOR GRAPHITE COMPANY
Reel/Frame 032117/0583 →
Security Interest
Apr 8, 2019
From: SUPERIOR GRAPHITE CO.
To: BMO HARRIS BANK N.A.
Reel/Frame 048818/0678 →
Security Interest
Mar 27, 2023
From: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE, LTD.
To: FGI WORLDWIDE LLC
Reel/Frame 063108/0926 →
Release of Security Interest
Mar 28, 2023
From: BMO HARRIS BANK N.A.
To: SUPERIOR GRAPHITE CO.
Reel/Frame 063130/0676 →
Security Interest
Oct 24, 2024
From: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE, LTD.
To: FGI WORLDWIDE LLC
Reel/Frame 069011/0548 →
Assignment of Assignor's Interest
Mar 13, 2025
From: KÖSTER, SÖREN; HENRY, FRANÇOIS
To: SUPERIOR GRAPHITE CO.
Reel/Frame 070495/0481 →
Release of Security Interest
Oct 20, 2025
From: FGI WORLDWIDE LLC
To: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE, LTD.
Reel/Frame 072598/0629 →
Release of Security Interest
Oct 22, 2025
From: FGI WORLDWIDE LLC
To: SUPERIOR GRAPHITE CO.; SUPERIOR GRAPHITE EUROPE LTD.
Reel/Frame 072635/0843 →