Patent Assignment
Reel/Frame 031639/0657
Assignment of Assignor's Interest
Recorded: 2013-11-20
Pages: 2
Assignor
PEREZ, ERNESTO ESPERANZA
Executed: 2013-10-16
Assignee
GRUPO GUASCOR S.L.
PAUL CLARK DRIVE, OLEAN, NEW YORK, 14760
Covered Property
(1)
Biomass Feeding System
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Address for the Assignee Previously Recorded on Reel 031639 Frame 0657. Assignor(S) Hereby Confirms the Assignment of Assignors Interest.
May 21, 2015
From: PEREZ, ERNESTO ESPERANZA
To: GRUPO GUASCOR S.L.
Reel/Frame 035703/0121 →
Merger and Change of Name
Aug 4, 2022
From: GRUPO GUASCOR S.L.; DRESSER-RAND HOLDINGS SPAIN, S.L.
To: DRESSER-RAND HOLDINGS SPAIN, S.L.
Reel/Frame 060721/0627 →
Change of Name
Aug 4, 2022
From: DRESSER-RAND HOLDINGS SPAIN, S.L.
To: SIEMENS GAS AND POWER, S.A.
Reel/Frame 060721/0856 →
Change of Name
Aug 4, 2022
From: SIEMENS GAS AND POWER, S.A.
To: SIEMENS ENERGY, S.A.
Reel/Frame 060721/0924 →
Assignment of Assignor's Interest
Sep 20, 2022
From: SIEMENS ENERGY, S.A.
To: SIEMENS ENERGY ENGINES S.A.U.
Reel/Frame 061152/0275 →
Assignment of Assignor's Interest
Jan 22, 2025
From: SIEMENS ENERGY ENGINES, S.A.U.
To: GUASCOR ENERGY, S.A.
Reel/Frame 069970/0754 →