IP Library › Assignment 023942/0892
Patent Assignment
Reel/Frame 023942/0892

Assignment of Assignor's Interest

Recorded: 2010-02-16 Pages: 3
Assignor
BIRCHER, KEITH G.
Executed: 2010-02-04
Assignee
CALGON CARBON CORPORATION
500 CALGON CARBON DRIVE, PITTSBURGH, PENNSYLVANIA, 15205
Covered Properties (2)
Method and Apparatus for Use of Mixing Elements in Wastewater/ Recycle Water Uv Disinfection System
Method and Apparatus for Use of Mixing Elements in Wastewater / Recycle Water Uv Disinfection System
Patent: 8,459,861 →
Application: 12/625,625 →
Publication: US 2010/0166601
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 30, 2022
From: CALGON CARBON CORPORATION
To: CALGON CARBON UV TECHNOLOGIES LLC
Reel/Frame 060373/0520 →
Change of Name Jul 20, 2022
From: CALGON CARBON UV TECHNOLGIES LLC
To: DE NORA UV TECHNOLOGIES, LLC
Reel/Frame 060765/0362 →
Restructuring and Reorganization Agreement Jul 20, 2022
From: DE NORA UV TECHNOLOGIES, LLC
To: DE NORA WATER TECHNOLOGIES, LLC
Reel/Frame 060768/0072 →