Patent Assignment
Reel/Frame 009852/0135
Assignment of Assignor's Interest
Recorded: 1999-03-19
Pages: 2
Assignor
OKLEJAS, ROBERT A.
Executed: 1999-03-16
Assignee
PUMP ENGINEERING, INC.
1004 WEST HURD ROAD, MONROE, MICHIGAN, 48162
Covered Property
(1)
Method and Apparatus for Improving Efficiency of a Reverse Osmosis System
Patent:
6,139,740 →
Application:
09/273,074 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 20, 2009
From: PUMP ENGINEERING PARENT, INC. F/K/A PUMP ENGINEERING, INC.
To: PUMP ENGINEERING LLC
Reel/Frame 023364/0601 →
Security Agreement
Jun 21, 2012
From: ENERGY RECOVERY, INC.
To: HSBC BANK, USA, NATIONAL ASSOCIATION
Reel/Frame 028428/0124 →
Merger
Jun 29, 2012
From: PUMP ENGINEERING, INC.
To: ENERGY RECOVERY, INC.
Reel/Frame 028466/0322 →
Release of Security Interest
Jan 5, 2022
From: HSBC BANK USA, NATIONAL ASSOCIATION
To: ENERGY RECOVERY, INC.
Reel/Frame 058553/0652 →