IP Library › Assignment 042130/0954
Patent Assignment
Reel/Frame 042130/0954

Assignment of Assignor's Interest

Recorded: 2017-04-24 Pages: 7
Assignor
STEP ENERGY SERVICES LTD.
Executed: 2015-09-02
Assignee
STEP ENERGY SERVICES (BVI) LTD.
300, 505 3RD STREET SW, CALGARY, T2P 3E6, CANADA
Covered Properties (2)
Pressure Balancing Proppant Addition Method and Apparatus
Patent: 9,664,025 →
Application: 13/822,966 →
Publication: US 2013/0168086
Hybrid Lpg Frac
Patent: 9,683,432 →
Application: 13/894,278 →
Publication: US 2013/0299167
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 14, 2013
From: ROBERTS, ROBBIE
To: GASFRAC ENERGY SERVICES INC.
Reel/Frame 030000/0793 →
Assignment of Assignor's Interest Nov 26, 2013
From: FORDYCE, VICTOR; TUDOR, ERIC
To: GASFRAC ENERGY SERVICES INC.
Reel/Frame 031681/0075 →
Security Interest Jul 24, 2014
From: GASFRAC ENERGY SERVICES INC.
To: PNC BANK CANADA BRANCH
Reel/Frame 033395/0370 →
Assignment of Assignor's Interest Sep 10, 2015
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES LTD.
Reel/Frame 036529/0742 →
Assignment of Assignor's Interest Sep 10, 2015
From: GASFRAC ENERGY SERVICES INC.
To: STEP ENERGY SERVICES LTD.
Reel/Frame 036529/0835 →
Assignment of Assignor's Interest Apr 24, 2017
From: STEP ENERGY SERVICES (BVI) LTD.
To: STEP ENERGY SERVICES LLC
Reel/Frame 042131/0181 →