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