loadpatents
name:-0.072116851806641
name:-0.11452198028564
name:-0.021023988723755
Mainspring Energy, Inc. Patent Filings

Mainspring Energy, Inc.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Mainspring Energy, Inc..The latest application filed is for "open-faced piston assembly".

Company Profile
21.29.16
  • Mainspring Energy, Inc. - Menlo Park CA US
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Open-faced Piston Assembly
App 20220260034 - Svrcek; Matt
2022-08-18
Integrated linear generator system
Grant 11,404,937 - Svrcek , et al. August 2, 2
2022-08-02
Energy storage and conversion in linear generators
Grant 11,352,947 - Gadda , et al. June 7, 2
2022-06-07
Auto-braking For An Electromagnetic Machine
App 20220173682 - Da Costa; Anthony ;   et al.
2022-06-02
Piston sealing ring assemblies
Grant 11,346,445 - Svrcek , et al. May 31, 2
2022-05-31
Control of piston trajectory in a linear generator
Grant 11,339,735 - Roelle , et al. May 24, 2
2022-05-24
Springs For Piston Ring Biasing
App 20220154824 - Svrcek; Matthew ;   et al.
2022-05-19
Manifold Interface Seal
App 20220154830 - Walters; Kevin ;   et al.
2022-05-19
Open-faced piston assembly
Grant 11,313,318 - Svrcek April 26, 2
2022-04-26
Reinforced Sealing Rings
App 20220074493 - Svrcek; Matt ;   et al.
2022-03-10
Piston-integrated gap cover
Grant 11,236,827 - Svrcek , et al. February 1, 2
2022-02-01
Auto-braking for an electromagnetic machine
Grant 11,211,885 - Da Costa , et al. December 28, 2
2021-12-28
Piston Sealing Ring Assembly Having A Gap Cover Element
App 20210388901 - Prudhomme; Jodie ;   et al.
2021-12-16
Reinforced sealing rings
Grant 11,193,588 - Svrcek , et al. December 7, 2
2021-12-07
Control Of Piston Trajectory In A Linear Generator
App 20210324812 - Roelle; Matthew ;   et al.
2021-10-21
Linear Electromagnetic Machine System
App 20210288570 - Lawler; John ;   et al.
2021-09-16
Control of piston trajectory in a linear generator
Grant 11,053,876 - Roelle , et al. July 6, 2
2021-07-06
Piston Seal With Solid Lubricant Applicator
App 20210140542 - Svrcek; Matt
2021-05-13
Linear electromagnetic machine system with bearing housings having pressurized gas
Grant 10,985,641 - Lawler , et al. April 20, 2
2021-04-20
Piston sealing ring assembly having a gap cover element
Grant 10,975,966 - Prudhomme , et al. April 13, 2
2021-04-13
High-efficiency Linear Combustion Engine
App 20210079838 - Simpson; Adam ;   et al.
2021-03-18
Piston seal with solid lubricant applicator
Grant 10,927,953 - Svrcek February 23, 2
2021-02-23
DC-DC converter in a non-steady system
Grant 10,916,991 - Da Costa , et al. February 9, 2
2021-02-09
Control Of Piston Trajectory In A Free-piston Combustion Engine
App 20210010437 - Roelle; Matthew ;   et al.
2021-01-14
Energy Storage And Conversion In Free-piston Combustion Engines
App 20200400064 - Gadda; Christopher ;   et al.
2020-12-24
High-efficiency linear combustion engine
Grant 10,851,708 - Simpson , et al. December 1, 2
2020-12-01
Reinforced Sealing Rings
App 20200362966 - Svrcek; Matt ;   et al.
2020-11-19
Auto-braking For An Electromagnetic Machine
App 20200328707 - Da Costa; Anthony ;   et al.
2020-10-15
Open-faced Piston Assembly
App 20200271071 - Svrcek; Matt
2020-08-27
Energy storage and conversion in free-piston combustion engines
Grant 10,738,688 - Gadda , et al. A
2020-08-11
Reinforced sealing rings
Grant 10,731,759 - Svrcek , et al.
2020-08-04
Control of piston trajectory in a free-piston combustion engine
Grant 10,731,586 - Roelle , et al.
2020-08-04
Dc-dc Converter In A Non-steady System
App 20200227976 - Da Costa; Anthony ;   et al.
2020-07-16
Auto-braking for an electromagnetic machine
Grant 10,715,068 - Da Costa , et al.
2020-07-14
Open-faced piston assembly
Grant 10,669,969 - Svrcek
2020-06-02

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.

© 2024 USPTO.report | Privacy Policy | Resources | RSS Feed of Trademarks | Trademark Filings Twitter Feed