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Reel/Frame:051761/0180   Pages: 6
Recorded: 01/30/2020
Attorney Dkt #:000102 - MULTIPLE
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Total properties: 44
1
Patent #:
8413617
Issue Dt:
04/09/2013
Application #:
12953277
Filing Dt:
11/23/2010
Publication #:
US20120126544
Pub Dt:
05/24/2012
Title:
HIGH-EFFICIENCY TWO-PISTON LINEAR COMBUSTION ENGINE
2
Patent #:
8997699
Issue Dt:
04/07/2015
Application #:
13028053
Filing Dt:
02/15/2011
Publication #:
US20120204836
Pub Dt:
08/16/2012
Title:
LINEAR FREE PISTON COMBUSTION ENGINE WITH INDIRECT WORK EXTRACTION VIA GAS LINKAGE
3
Patent #:
8453612
Issue Dt:
06/04/2013
Application #:
13102916
Filing Dt:
05/06/2011
Publication #:
US20120125288
Pub Dt:
05/24/2012
Title:
HIGH-EFFICIENCY LINEAR COMBUSTION ENGNE
4
Patent #:
8662029
Issue Dt:
03/04/2014
Application #:
13298206
Filing Dt:
11/16/2011
Publication #:
US20120125291
Pub Dt:
05/24/2012
Title:
HIGH-EFFICIENCY LINEAR COMBUSTION ENGINE
5
Patent #:
8720317
Issue Dt:
05/13/2014
Application #:
13340534
Filing Dt:
12/29/2011
Publication #:
US20130167714
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
6
Patent #:
9004038
Issue Dt:
04/14/2015
Application #:
13340538
Filing Dt:
12/29/2011
Publication #:
US20130167794
Pub Dt:
07/04/2013
Title:
Methods and Systems for Managing a Clearance Gap in a Piston Engine
7
Patent #:
9169797
Issue Dt:
10/27/2015
Application #:
13340543
Filing Dt:
12/29/2011
Publication #:
US20130167715
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
8
Patent #:
9097203
Issue Dt:
08/04/2015
Application #:
13340544
Filing Dt:
12/29/2011
Publication #:
US20130167798
Pub Dt:
07/04/2013
Title:
Methods and Systems for Managing a Clearance Gap in a Piston Engine
9
Patent #:
8344669
Issue Dt:
01/01/2013
Application #:
13437659
Filing Dt:
04/02/2012
Title:
METHODS AND SYSTEMS FOR CONTROLLING A MULTIPHASE ELECTROMAGNETIC MACHINE
10
Patent #:
8402931
Issue Dt:
03/26/2013
Application #:
13463724
Filing Dt:
05/03/2012
Publication #:
US20120235517
Pub Dt:
09/20/2012
Title:
High-Efficiency Linear Combustion Engine
11
Patent #:
8624542
Issue Dt:
01/07/2014
Application #:
13691527
Filing Dt:
11/30/2012
Publication #:
US20130257336
Pub Dt:
10/03/2013
Title:
METHODS AND SYSTEMS FOR CONTROLLING A MULTIPHASE ELECTROMAGNETIC MACHINE
12
Patent #:
8770090
Issue Dt:
07/08/2014
Application #:
13725984
Filing Dt:
12/21/2012
Publication #:
US20130167795
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
13
Patent #:
8656895
Issue Dt:
02/25/2014
Application #:
13725985
Filing Dt:
12/21/2012
Publication #:
US20130167717
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
14
Patent #:
8899192
Issue Dt:
12/02/2014
Application #:
13725987
Filing Dt:
12/21/2012
Publication #:
US20130167718
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
15
Patent #:
10006401
Issue Dt:
06/26/2018
Application #:
13725988
Filing Dt:
12/21/2012
Publication #:
US20130167796
Pub Dt:
07/04/2013
Title:
METHODS AND SYSTEMS FOR MANAGING A CLEARANCE GAP IN A PISTON ENGINE
16
Patent #:
10215229
Issue Dt:
02/26/2019
Application #:
13830591
Filing Dt:
03/14/2013
Publication #:
US20140260951
Pub Dt:
09/18/2014
Title:
MECHANISM FOR MAINTAINING A CLEARANCE GAP
17
Patent #:
9719415
Issue Dt:
08/01/2017
Application #:
14598173
Filing Dt:
01/15/2015
Publication #:
US20160208686
Pub Dt:
07/21/2016
Title:
ENERGY STORAGE AND CONVERSION IN FREE-PISTON COMBUSTION ENGINES
18
Patent #:
9567898
Issue Dt:
02/14/2017
Application #:
14964463
Filing Dt:
12/09/2015
Publication #:
US20160090908
Pub Dt:
03/31/2016
Title:
HIGH-EFFICIENCY LINEAR COMBUSTION ENGINE
19
Patent #:
9657675
Issue Dt:
05/23/2017
Application #:
15087990
Filing Dt:
03/31/2016
Title:
CONTROL OF PISTON TRAJECTORY IN A FREE-PISTON COMBUSTION ENGINE
20
Patent #:
9856821
Issue Dt:
01/02/2018
Application #:
15294438
Filing Dt:
10/14/2016
Title:
OPEN-FACED PISTON ASSEMBLY
21
Patent #:
10024231
Issue Dt:
07/17/2018
Application #:
15390431
Filing Dt:
12/23/2016
Publication #:
US20170241331
Pub Dt:
08/24/2017
Title:
HIGH-EFFICIENCY LINEAR COMBUSTION ENGINE
22
Patent #:
10156198
Issue Dt:
12/18/2018
Application #:
15489657
Filing Dt:
04/17/2017
Publication #:
US20170350339
Pub Dt:
12/07/2017
Title:
CONTROL OF PISTON TRAJECTORY IN A FREE-PISTON COMBUSTION ENGINE
23
Patent #:
10190490
Issue Dt:
01/29/2019
Application #:
15645995
Filing Dt:
07/10/2017
Publication #:
US20170306837
Pub Dt:
10/26/2017
Title:
ENERGY STORAGE AND CONVERSION IN FREE-PISTON COMBUSTION ENGINES
24
Patent #:
10359002
Issue Dt:
07/23/2019
Application #:
15820240
Filing Dt:
11/21/2017
Publication #:
US20180106215
Pub Dt:
04/19/2018
Title:
OPEN-FACED PISTON ASSEMBLY
25
Patent #:
10221759
Issue Dt:
03/05/2019
Application #:
16016393
Filing Dt:
06/22/2018
Publication #:
US20180298814
Pub Dt:
10/18/2018
Title:
High-Efficiency Linear Combustion Engine
26
Patent #:
10731759
Issue Dt:
08/04/2020
Application #:
16059933
Filing Dt:
08/09/2018
Publication #:
US20190049012
Pub Dt:
02/14/2019
Title:
REINFORCED SEALING RINGS
27
Patent #:
NONE
Issue Dt:
Application #:
16059976
Filing Dt:
08/09/2018
Publication #:
US20190049007
Pub Dt:
02/14/2019
Title:
SEALING RING HAVING A POROUS LAYER
28
Patent #:
10465795
Issue Dt:
11/05/2019
Application #:
16060000
Filing Dt:
08/09/2018
Publication #:
US20190049008
Pub Dt:
02/14/2019
Title:
PISTON-INTEGRATED GAP COVER
29
Patent #:
10975966
Issue Dt:
04/13/2021
Application #:
16100017
Filing Dt:
08/09/2018
Publication #:
US20190049006
Pub Dt:
02/14/2019
Title:
PISTON SEALING RING ASSEMBLY HAVING A GAP COVER ELEMENT
30
Patent #:
10436322
Issue Dt:
10/08/2019
Application #:
16100092
Filing Dt:
08/09/2018
Publication #:
US20190049009
Pub Dt:
02/14/2019
Title:
PISTON SEALING RING ASSEMBLIES
31
Patent #:
10927953
Issue Dt:
02/23/2021
Application #:
16100124
Filing Dt:
08/09/2018
Publication #:
US20190049011
Pub Dt:
02/14/2019
Title:
PISTON SEAL WITH SOLID LUBRICANT APPLICATOR
32
Patent #:
10443727
Issue Dt:
10/15/2019
Application #:
16100131
Filing Dt:
08/09/2018
Publication #:
US20190049013
Pub Dt:
02/14/2019
Title:
SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING
33
Patent #:
10554099
Issue Dt:
02/04/2020
Application #:
16137029
Filing Dt:
09/20/2018
Publication #:
US20190089225
Pub Dt:
03/21/2019
Title:
DC-DC CONVERTER IN A NON-STEADY SYSTEM
34
Patent #:
10715068
Issue Dt:
07/14/2020
Application #:
16137506
Filing Dt:
09/20/2018
Publication #:
US20190123668
Pub Dt:
04/25/2019
Title:
AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
35
Patent #:
10408150
Issue Dt:
09/10/2019
Application #:
16175358
Filing Dt:
10/30/2018
Publication #:
US20190063357
Pub Dt:
02/28/2019
Title:
CONTROL OF PISTON TRAJECTORY IN A FREE-PISTON COMBUSTION ENGINE
36
Patent #:
10738688
Issue Dt:
08/11/2020
Application #:
16239344
Filing Dt:
01/03/2019
Publication #:
US20190136757
Pub Dt:
05/09/2019
Title:
ENERGY STORAGE AND CONVERSION IN FREE-PISTON COMBUSTION ENGINES
37
Patent #:
10404199
Issue Dt:
09/03/2019
Application #:
16248693
Filing Dt:
01/15/2019
Publication #:
US20190149074
Pub Dt:
05/16/2019
Title:
AUTO-BRAKING FOR AN ELECTROMAGNETIC MACHINE
38
Patent #:
10851708
Issue Dt:
12/01/2020
Application #:
16274003
Filing Dt:
02/12/2019
Publication #:
US20190178157
Pub Dt:
06/13/2019
Title:
HIGH-EFFICIENCY LINEAR COMBUSTION ENGINE
39
Patent #:
10669969
Issue Dt:
06/02/2020
Application #:
16452500
Filing Dt:
06/25/2019
Publication #:
US20190316543
Pub Dt:
10/17/2019
Title:
OPEN-FACED PISTON ASSEMBLY
40
Patent #:
10731586
Issue Dt:
08/04/2020
Application #:
16553052
Filing Dt:
08/27/2019
Publication #:
US20190390623
Pub Dt:
12/26/2019
Title:
CONTROL OF PISTON TRAJECTORY IN A FREE-PISTON COMBUSTION ENGINE
41
Patent #:
11346445
Issue Dt:
05/31/2022
Application #:
16561846
Filing Dt:
09/05/2019
Publication #:
US20190390770
Pub Dt:
12/26/2019
Title:
PISTON SEALING RING ASSEMBLIES
42
Patent #:
11530691
Issue Dt:
12/20/2022
Application #:
16575744
Filing Dt:
09/19/2019
Publication #:
US20200011417
Pub Dt:
01/09/2020
Title:
SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING
43
Patent #:
11236827
Issue Dt:
02/01/2022
Application #:
16671113
Filing Dt:
10/31/2019
Publication #:
US20200124175
Pub Dt:
04/23/2020
Title:
PISTON-INTEGRATED GAP COVER
44
Patent #:
10916991
Issue Dt:
02/09/2021
Application #:
16745155
Filing Dt:
01/16/2020
Publication #:
US20200227976
Pub Dt:
07/16/2020
Title:
DC-DC CONVERTER IN A NON-STEADY SYSTEM
Assignor
1
ETAGEN, INC.
Exec Dt:
01/07/2020
Assignee
1
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE
MENLO PARK, CALIFORNIA 94025
Correspondence name and address
HALEY GUILIANO LLP
75 BROAD STREET
SUITE 1000
NEW YORK, NY 10004

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