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Patent Assignment Assignor Details
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Assignor Name : SIKORSKI, SIEGFRIED
Total Assignments: 21
Assignment: 1
Reel/Frame:004852/0963   Pages: 1
Recorded: 02/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUETHER, WERNER
Exec Dt:
01/18/1988
2
ROSSMAN, AXEL
Exec Dt:
01/18/1988
3
SIKORSKI, SIEGFRIED
Exec Dt:
01/18/1988
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH, A CORP.
POSTFACH 50 06 40
DACHAUER STRASSE 665
8000 MUNICH 50, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4878821
NONE
07154142
Correspondence name and address
ROBERTS, SPIECENS & COHEN
38 EAST 29TH ST., 3RD FLR.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:005016/0889   Pages: 1
Recorded: 02/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SIKORSKI, SIEGFRIED
Exec Dt:
03/16/1988
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUENCHEN GMBH
8000 MUENCHEN 50, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4840536
NONE
07173233
Correspondence name and address
W. G. FASSE
INDIAN POND LANE P.O. BOX K
ST. ALBANS,ME. 04971
Assignment: 3
Reel/Frame:004917/0845   Pages: 1
Recorded: 07/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SIKORSKI, SIEGFRIED
Exec Dt:
06/06/1988
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH
DACHAUER STRASSE 665
8000 MUNCHEN 50, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4954387
NONE
07202792
Correspondence name and address
ALAN K. ROBERTS
ROBERTS, SPIECENS & COHEN
38 EAST 29TH STREET
3RD FLOOR
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004917/0904   Pages: 1
Recorded: 07/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
06/06/1988
2
HUTHER, WERNER
Exec Dt:
06/06/1988
Assignee
1
MTU MOTOREN- UND TURBINEN-UNION MUNCHEN GMBH
DACHAUER STRASSE 665
8000 MUNCHEN 50, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4877376
NONE
07202710
Correspondence name and address
ROBERTS, SPIECENS & COHEN
38 EAST 29TH STREET
3RD FLOOR
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:004936/0050   Pages: 1
Recorded: 07/05/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SIKORSKI, SIEGFRIED
Exec Dt:
06/09/1988
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION GMBH
DACHAUER STRASSE 665, POSTFACH 50 06 40
8000 MUNICH 50, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4884948
NONE
07174781
Correspondence name and address
ALAN K. ROBERTS
ROERTS, SPIECENS & COHEN
38 EAST 29TH STREET
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005279/0065   Pages: 2
Recorded: 03/01/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
02/26/1990
2
SCHOBER, MICHAEL
Exec Dt:
02/26/1990
3
SCHOENACHER, REINHOLD
Exec Dt:
02/26/1990
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH
665 DACHAUER STRASSE
8000 MUNCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5075166
NONE
07487741
Correspondence name and address
JULIAN H. COHEN
C/O LADAS AND PARRY
26 WEST 61ST ST.
NEW YORK, NY 10023
Assignment: 7
Reel/Frame:007089/0872   Pages: 2
Recorded: 08/05/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
10/21/1993
2
SCHOBER, MICHAEL
Exec Dt:
10/21/1993
3
SCHOENACHER, REINHOLD
Exec Dt:
10/21/1993
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUENCHEN GMBH
DACHAUER STRASSE 665
D 80976 MUENCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5380152
NONE
08144575
Correspondence name and address
W. G. FASSE
P.O. BOX K
ST. ALBANS, ME 04971
Assignment: 8
Reel/Frame:007239/0817   Pages: 2
Recorded: 12/20/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
09/07/1994
2
SCHOENACHER, REINHOLD
Exec Dt:
09/07/1994
3
SCHOBER, MICHAEL
Exec Dt:
09/07/1994
4
DIEPOLDER, WOLFGANG
Exec Dt:
09/07/1994
Assignee
1
MTU MOTOREN- UND TURBINEN-UNION MUENCHEN GMBH
80995 MUENCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5429477
NONE
08295265
Correspondence name and address
W. G. FASSE
P.O. BOX K
ST. ALBANS, ME 04971
Assignment: 9
Reel/Frame:008851/0945   Pages: 2
Recorded: 12/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
07/13/1997
2
SCHOBER, MICHAEL
Exec Dt:
06/19/1997
3
SCHOENACHER, REINHOLD
Exec Dt:
06/19/1997
Assignee
1
MTU MOTOREN- UND TURBINEN-UNION MUENCHEN GMBH
DACHAUER STR. 665
D-80995 MUENCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5951254
NONE
08891853
Correspondence name and address
W. G. FASSE
P.O. BOX K
INDIAN POND LANE
ST. ALBANS, ME 04971
Assignment: 10
Reel/Frame:008862/0024   Pages: 3
Recorded: 10/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
09/24/1997
2
SCHOBER, MICHAEL
Exec Dt:
09/24/1997
3
SCHONACHER, REINHOLD
Exec Dt:
09/24/1997
Assignee
1
MTU MOTOREN-UND TURBINEN-UNION MUNCHEN GMBH
DACHAUER STR. 665
80995 MUNCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6221795
NONE
08954199
Correspondence name and address
EVENSON, MCKEOWN, EDWARDS & LENAHAN
DAVID J. KULIK
1200 G. STREET, N.W., SUITE 700
WASHINGTON, DC 20005
Assignment: 11
Reel/Frame:010599/0550   Pages: 2
Recorded: 03/02/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
03/01/2000
2
SCHOENACHER, REINHOLD
Exec Dt:
03/01/2000
3
SCHOBER, MICHAEL
Exec Dt:
03/01/2000
Assignee
1
MTU MOTOREN- UND TURBINEN-UNION GMBH
POSTFACH 50 06 40
D 80976 MUENCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6521331
NONE
09517346
Correspondence name and address
FASSE PATENT ATTORNEYS, P.A.
WALTER F. FASSE
INDIAN POND LANE
ST. ALBANS, ME 04971
Assignment: 12
Reel/Frame:011014/0660   Pages: 3
Recorded: 07/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSSMANN, AXEL
Exec Dt:
06/28/2000
2
SIKORSKI, SIEGFRIED
Exec Dt:
06/28/2000
3
KRUEGER, WOLFGANG
Exec Dt:
06/28/2000
Assignee
1
MTU MOTOREN- UND TURBINEN-UNION MUENCHEN GMBH
POSTFACH 50 06 40
D 80976 MUENCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6471485
NONE
09554676
Correspondence name and address
FASSE PATENT ATTORNEYS, P.A.
WALTER F. FASSE
P.O. BOX K
INDIAN POND LANE
ST. ALBANS, ME 04971
Assignment: 13
Reel/Frame:018950/0345   Pages: 3
Recorded: 02/23/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHOBER, MICHAEL
Exec Dt:
01/11/2006
2
SCHOENACHER, REINHOLD
Exec Dt:
01/11/2006
3
SIKORSKI, SIEGFRIED
Exec Dt:
01/11/2006
Assignee
1
MTU AERO ENGINES GMBH
DACHAUER STRASSE 665
MUENCHEN, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070248780
10566317
Correspondence name and address
WILLIAM C. GEHRIS
DAVIDSON DAVIDSON & KAPPEL, LLC
485 SEVENTH AVENUE
NEW YORK, NY 10018
Assignment: 14
Reel/Frame:021690/0509   Pages: 3
Recorded: 10/14/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEIER, REINHOLD
Exec Dt:
09/11/2008
2
MUELLER, CLAUS
Exec Dt:
08/27/2008
3
PRIESCHL, FRANZ
Exec Dt:
10/09/2008
4
SIKORSKI, SIEGFRIED
Exec Dt:
10/07/2008
Assignee
1
MTU AERO ENGINES GMBH
DACHAUER STRASSE 665
MUENCHEN, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090041607
12224681
Correspondence name and address
DAVIDSON, DAVIDSON & KAPPEL, LLC
485 SEVENTH AVENUE, 14TH FLOOR
NEW YORK, NY 10018
Assignment: 15
Reel/Frame:022922/0554   Pages: 7
Recorded: 07/07/2009
Attorney Dkt #:MTUA-29467
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIKORSKI, SIEGFRIED
Exec Dt:
06/29/2009
2
KRAUS, MAX
Exec Dt:
06/29/2009
3
HOFMANN, KARL
Exec Dt:
06/08/2009
4
NIEDERSUSS, ALOIS
Exec Dt:
06/15/2009
Assignee
1
MTU AERO ENGINES GMBH
DACHAUER STRASSE 665
MUNICH, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100074740
12517252
Correspondence name and address
JOHN J. ARNOTT
P.O. BOX 741715
DALLAS, TX 75374-1715
Assignment: 16
Reel/Frame:030865/0147   Pages: 9
Recorded: 07/24/2013
Attorney Dkt #:6570-P50078
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUHAEUSLER, STEFAN
Exec Dt:
06/05/2013
2
SATZGER, WILHELM
Exec Dt:
06/12/2013
3
SIKORSKI, SIEGFRIED
Exec Dt:
06/26/2013
4
DUSEL, KARL-HEINZ
Exec Dt:
06/27/2013
5
MELZER, HANS-CHRISTIAN
Exec Dt:
07/18/2013
6
BAYER, ERWIN
Exec Dt:
06/18/2013
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
MUNICH, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130294891
13978641
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, SUITE 4200
AUSTIN, TX 78759
Assignment: 17
Reel/Frame:031266/0661   Pages: 11
Recorded: 09/24/2013
Attorney Dkt #:6570-P50053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HESS, THOMAS
Exec Dt:
07/01/2013
2
BAYER, ERWIN
Exec Dt:
06/18/2013
3
WALTEMATHE, MARKUS
Exec Dt:
07/09/2013
4
BROICHHAUSEN, KLAUS
Exec Dt:
09/03/2013
5
SATZGER, WILHELM
Exec Dt:
06/16/2013
6
SIKORSKI, SIEGFRIED
Exec Dt:
06/26/2013
7
DUSEL, KARL-HEINZ
Exec Dt:
07/01/2013
8
MELZER, HANS-CHRISTIAN
Exec Dt:
07/18/2013
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
MUNICH, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10633975
US20140065343
13822713
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, SUITE 4200
AUSTIN, TX 78759
Assignment: 18
Reel/Frame:030865/0223   Pages: 13
Recorded: 07/24/2013
Attorney Dkt #:6570-P50077
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SATZGER, WILHELM
Exec Dt:
06/07/2013
2
SIKORSKI, SIEGFRIED
Exec Dt:
07/15/2013
3
DUSEL, KARL-HEINZ
Exec Dt:
07/02/2013
4
MEIR, WILHELM
Exec Dt:
06/06/2013
5
KOPPERGER, BERTRAM
Exec Dt:
06/13/2013
6
WAERMANN, JOSEF
Exec Dt:
06/19/2013
7
JAKIMOV, ANDREAS
Exec Dt:
06/11/2013
8
HERTTER, MANUEL
Exec Dt:
06/24/2013
9
MELZER, HANS-CHRISTIAN
Exec Dt:
07/18/2013
10
HESS, THOMAS
Exec Dt:
07/03/2013
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
MUNICH, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9952236
US20130343947
13981186
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, SUITE 4200
AUSTIN, TX 78759
Assignment: 19
Reel/Frame:033026/0701   Pages: 7
Recorded: 06/04/2014
Attorney Dkt #:6570-P50143
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SATZGER, WILHELM
Exec Dt:
05/29/2014
2
SIKORSKI, SIEGFRIED
Exec Dt:
05/26/2014
3
HESS, THOMAS
Exec Dt:
05/27/2014
4
DUSEL, KARL-HEINZ
Exec Dt:
06/03/2014
5
MELZER, HANS-CHRISTIAN
Exec Dt:
06/02/2014
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
INTELLECTUAL PROPERTY MANAGEMENT
MUNICH, GERMANY D-80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10830068
US20140334924
14359657
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, SUITE 4200
AUSTIN, TX 78759
Assignment: 20
Reel/Frame:033982/0825   Pages: 7
Recorded: 10/20/2014
Attorney Dkt #:6570-P50183
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMID, SIEGFRIED
Exec Dt:
09/24/2014
2
SCHOBER, MICHAEL
Exec Dt:
10/06/2014
3
SIKORSKI, SIEGFRIED
Exec Dt:
10/01/2014
4
MATTSCHAS, AXEL
Exec Dt:
09/24/2014
5
BADER, ROBERT
Exec Dt:
09/24/2014
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
INTELLECTUAL PROPERTY MANAGEMENT
MUNICH, GERMANY D-80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10544697
US20150078893
14490931
Correspondence name and address
ABEL LAW GROUP LLP
8911 N. CAPITAL OF TEXAS HWY
BLDG 4, STE 4200
AUSTIN, TX 78759
Assignment: 21
Reel/Frame:052879/0823   Pages: 3
Recorded: 06/09/2020
Attorney Dkt #:5038.1341
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALBERT, BENEDIKT
Exec Dt:
05/05/2020
2
SIKORSKI, SIEGFRIED
Exec Dt:
05/05/2020
Assignee
1
MTU AERO ENGINES AG
DACHAUER STRASSE 665
MUENCHEN, GERMANY 80995
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11162367
US20200200015
16715045
Correspondence name and address
DAVIDSON, DAVIDSON & KAPPEL, LLC
589 8TH AVENUE 22ND FLOOR
NEW YORK, NY 10018

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