IP Library › Assignment 049704/0976
Patent Assignment
Reel/Frame 049704/0976

Security Interest

Recorded: 2019-07-09 Pages: 13
Assignor
ETAGEN, INC.
Executed: 2019-07-09
Assignee
TRINITY CAPITAL FUND III, L.P.
3075 W. RAY ROAD, SUITE 525, CHANDLER, ARIZONA, 85226
Covered Properties (41)
High-Efficiency Linear Combustion Engine
Application: 16/274,003 →
Publication: US 2019/0178157
Energy Storage and Conversion in Free-Piston Combustion Engines
Application: 16/239,344 →
Publication: US 2019/0136757
Open-Faced Piston Assembly
Application: 15/820,240 →
Publication: US 2018/0106215
Reinforced Sealing Rings
Application: 16/059,933 →
Publication: US 2019/0049012
Sealing Ring Having a Porous Layer
Application: 16/059,976 →
Publication: US 2019/0049007
Piston-Integrated Gap Cover
Application: 16/060,000 →
Publication: US 2019/0049008
Piston Sealing Ring Assembly Having a Gap Cover Element
Application: 16/100,017 →
Publication: US 2019/0049006
Piston Sealing Ring Assemblies
Application: 16/100,092 →
Publication: US 2019/0049009
Piston Seal with Solid Lubricant Applicator
Application: 16/100,124 →
Publication: US 2019/0049011
Sealing Ring Assemblies Configured for Pressure Locking
Application: 16/100,131 →
Publication: US 2019/0049013
Control of Piston Trajectory in a Free-Piston Combustion Engine
Application: 16/175,358 →
Publication: US 2019/0063357
Auto-Braking for an Electromagnetic Machine
Application: 16/137,506 →
Publication: US 2019/0123668
Auto-Braking for an Electromagnetic Machine
Application: 16/248,693 →
Publication: US 2019/0149074
Dc-Dc Converter in a Non-Steady System
Application: 16/137,029 →
Publication: US 2019/0089225
Integrated Linear Generator System
Application: 62/781,586 →
Linear Motor System
Application: 62/702,860 →
Linear Bearing System for a Motor
Application: 62/703,338 →
High-Efficiency Two-Piston Linear Combustion Engine
Patent: 8,413,617 →
Application: 12/953,277 →
Publication: US 2012/0126544
High-Efficiency Linear Combustion Engne
Patent: 8,453,612 →
Application: 13/102,916 →
Publication: US 2012/0125288
High-Efficiency Linear Combustion Engine
Patent: 8,662,029 →
Application: 13/298,206 →
Publication: US 2012/0125291
High-Efficiency Linear Combustion Engine
Patent: 8,402,931 →
Application: 13/463,724 →
Publication: US 2012/0235517
High-Efficiency Linear Combustion Engine
Patent: 9,567,898 →
Application: 14/964,463 →
Publication: US 2016/0090908
High-Efficiency Linear Combustion Engine
Application: 15/390,431 →
Publication: US 2017/0241331
High-Efficiency Linear Combustion Engine
Application: 16/016,393 →
Publication: US 2018/0298814
Linear Free Piston Combustion Engine with Indirect Work Extraction via Gas Linkage
Patent: 8,997,699 →
Application: 13/028,053 →
Publication: US 2012/0204836
Energy Storage and Conversion in Free-Piston Combustion Engines
Patent: 9,719,415 →
Application: 14/598,173 →
Publication: US 2016/0208686
Energy Storage and Conversion in Free-Piston Combustion Engines
Application: 15/645,995 →
Publication: US 2017/0306837
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 8,720,317 →
Application: 13/340,534 →
Publication: US 2013/0167714
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 8,770,090 →
Application: 13/725,984 →
Publication: US 2013/0167795
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 8,656,895 →
Application: 13/725,985 →
Publication: US 2013/0167717
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 9,004,038 →
Application: 13/340,538 →
Publication: US 2013/0167794
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 8,899,192 →
Application: 13/725,987 →
Publication: US 2013/0167718
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 9,169,797 →
Application: 13/340,543 →
Publication: US 2013/0167715
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Patent: 9,097,203 →
Application: 13/340,544 →
Publication: US 2013/0167798
Methods and Systems for Managing a Clearance Gap in a Piston Engine
Application: 13/725,988 →
Publication: US 2013/0167796
Mechanism for Maintaining a Clearance Gap
Application: 13/830,591 →
Publication: US 2014/0260951
Open-Faced Piston Assembly
Patent: 9,856,821 →
Application: 15/294,438 →
Methods and Systems for Controlling a Multiphase Electromagnetic Machine
Patent: 8,344,669 →
Application: 13/437,659 →
Methods and Systems for Controlling a Multiphase Electromagnetic Machine
Patent: 8,624,542 →
Application: 13/691,527 →
Publication: US 2013/0257336
Control of Piston Trajectory in a Free-Piston Combustion Engine
Patent: 9,657,675 →
Application: 15/087,990 →
Control of Piston Trajectory in a Free-Piston Combustion Engine
Application: 15/489,657 →
Publication: US 2017/0350339
Related Assignments (24)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 26, 2011
From: SIMPSON, ADAM; MILLER, SHANNON; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 025700/0199 →
Assignment of Assignor's Interest Jun 8, 2011
From: SIMPSON, ADAM; MILLER, SHANNON; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 026412/0019 →
Assignment of Assignor's Interest Nov 21, 2017
From: SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 044496/0107 →
Assignment of Assignor's Interest Aug 10, 2018
From: SVRCEK, MATT; PRUDHOMME, JODIE
To: ETAGEN, INC.
Reel/Frame 046618/0463 →
Assignment of Assignor's Interest Aug 10, 2018
From: SVRCEK, MATT; PRUDHOMME, JODIE; DEJONG, JERRY; HASLER, TOM
To: ETAGEN, INC.
Reel/Frame 046618/0283 →
Assignment of Assignor's Interest Aug 10, 2018
From: PRUDHOMME, JODIE
To: ETAGEN, INC.
Reel/Frame 046618/0344 →
Assignment of Assignor's Interest Aug 10, 2018
From: SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 046618/0493 →
Assignment of Assignor's Interest Aug 10, 2018
From: SVRCEK, MATT; DEGRAAFF, DAVID
To: ETAGEN, INC.
Reel/Frame 046618/0414 →
Assignment of Assignor's Interest Aug 10, 2018
From: SVRCEK, MATT; PRUDHOMME, JODIE
To: ETAGEN, INC.
Reel/Frame 046618/0508 →
Assignment of Assignor's Interest Aug 10, 2018
From: PRUDHOMME, JODIE; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 046619/0089 →
Assignment of Assignor's Interest Sep 20, 2018
From: DA COSTA, ANTHONY; POWERS, JOHN
To: ETAGEN, INC.
Reel/Frame 046930/0652 →
Assignment of Assignor's Interest Oct 30, 2018
From: ROELLE, MATTHEW; GADDA, CHRISTOPHER
To: ETAGEN, INC.
Reel/Frame 047361/0530 →
Assignment of Assignor's Interest Jan 3, 2019
From: GADDA, CHRISTOPHER; ROELLE, MATTHEW; SIMPSON, ADAM
To: ETAGEN, INC.
Reel/Frame 047895/0821 →
Assignment of Assignor's Interest Jan 14, 2019
From: DA COSTA, ANTHONY; ROELLE, MATTHEW; POWERS, JOHN; GORZELIC, PATRICK
To: ETAGEN, INC.
Reel/Frame 048071/0464 →
Assignment of Assignor's Interest Jan 16, 2019
From: DA COSTA, ANTHONY; ROELLE, MATTHEW; POWERS, JOHN; GORZELIC, PATRICK
To: ETAGEN, INC.
Reel/Frame 048082/0072 →
Assignment of Assignor's Interest Feb 12, 2019
From: SIMPSON, ADAM; MILLER, SHANNON; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 048313/0673 →
Assignment of Assignor's Interest Feb 21, 2019
From: LAWLER, JOHN; SHERMAN, SAMUEL; POWERS, JOHN; CRAPO, ALAN
To: ETAGEN, INC.
Reel/Frame 048394/0453 →
Assignment of Assignor's Interest Feb 21, 2019
From: LAWLER, JOHN; SHERMAN, SAMUEL; DEGRAAFF, DAVID; POWERS, JOHN
To: ETAGEN, INC.
Reel/Frame 048394/0465 →
Nunc Pro Tunc Assignment Mar 12, 2019
From: SIMPSON, ADAM; MILLER, SHANNON; SVRCEK, MATT
To: ETAGEN, INC.
Reel/Frame 048575/0928 →
Change of Name Jan 30, 2020
From: ETAGEN, INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 051761/0180 →
Assignment of Assignor's Interest May 29, 2020
From: SVRCEK, MATT; DEGRAAFF, DAVID; WALTERS, KEVIN; WYLIE, CAMERON
To: MAINSPRING ENERGY, INC.
Reel/Frame 053563/0143 →
Security Interest Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →
Security Agreement Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0669 →
Security Agreement Jun 18, 2025
From: TRINITY CAPITAL INC.
To: MAINSPRING ENERGY, INC.
Reel/Frame 071675/0697 →