IP Library Assignment 024581/0494
Patent Assignment
Reel/Frame 024581/0494

Assignment of Assignor's Interest

Recorded: 2010-06-23 Pages: 5
Assignors
PILLING, MARK W.
Executed: 2010-05-07
HIRSCH, STEFAN TOBIAS
Executed: 2010-05-07
FISCHER, MARKUS FRIEDRICH
Executed: 2010-05-07
Assignee
SULZER CHEMTECH AG
SULZER- ALEE 48, WINTERTHUR, CH-8401, SWITZERLAND
Covered Property (1)
Contact tray for a mass transfer column
Patent: 8,720,870 →
Application: 12/800,195 →
Publication: US 2011/0278744
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Address of Assignee Previously Recorded on Reel 024581 Frame 0494. Assignor(S) Hereby Confirms the the Entire Right, Title and Interest in and to the Application Entitled Contact Tray for a Mass Transfer Column. Nov 22, 2010
From: PILLING, MARK W.; HIRSCH, STEFAN TOBIAS; FISCHER, MARKUS FRIEDRICH
To: SULZER CHEMTECH AG
Reel/Frame 025411/0744 →
Assignment of Assignor's Interest Aug 12, 2020
From: SULZER CHEMTECH AG.
To: SULZER MANAGEMENT AG.
Reel/Frame 053465/0614 →