Patent Assignment
Reel/Frame 028333/0336
Assignment of Assignor's Interest
Recorded: 2012-06-07
Pages: 3
Assignor
RINGGENBERG, PAUL DAVID
Executed: 2012-05-22
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BLVD., HOUSTON, TEXAS, 77072
Covered Property
(1)
Wellbore Filter Screen and Related Methods of Use
PCT:
PCT/US2011/021921 ↗
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 7, 2012
From: KNOBLOCH, BENTON T., JR.; ROY, TODD J.; TILLEY, DAVID J.
To: WELLBORE ENERGY SOLUTIONS LLC
Reel/Frame 028333/0073 →
Assignment of Assignor's Interest
Nov 19, 2012
From: WELLBORE ENERGY SOLUTIONS, L.L.C.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 029322/0466 →
Assignment of Assignor's Interest
Nov 13, 2013
From: WELLBORE ENERGY SOLUTIONS, L.L.C.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 031627/0606 →
Assignment of Assignor's Interest
Nov 13, 2013
From: WELLBORE ENERGY SOLUTIONS, L.L.C.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 031654/0694 →