Patent Assignment
Reel/Frame 008885/0810
Assignment of Assignor's Interest
Recorded: 1997-11-10
Pages: 5
Assignee
TECHNAFLOW, INC.
BOX 84310, 1400 NE 136TH AVENUE, VANCOUVER, WASHINGTON, 98684
Covered Property
(1)
Split Knife Gate Valve Having a Uniformly Compressed and Constrained Resilient Gate Seat and Method for Producing the Same Y
Patent:
5,979,874 →
Application:
08/967,686 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 4, 2007
From: TECHNAFLOW, INC.
To: TYCO FLOW SERVICES AG
Reel/Frame 019773/0629 →
Assignment of Assignor's Interest
Feb 20, 2017
From: PENTAIR FLOW SERVICES AG
To: PENTAIR FLOW CONTROL AG
Reel/Frame 041303/0614 →
Change of Name
Feb 20, 2017
From: TYCO FLOW CONTROL AG
To: PENTAIR FLOW CONTROL AG
Reel/Frame 041758/0102 →