Issued Patents All Time
Showing 25 most recent of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773974 | Combination piston and piston ring for reducing crevice volume | Nikolay Shkolnik | 2023-10-03 |
| 11149547 | Seal assembly for an epitrochoidal rotary engine | Nikolay Shkolnik, Mark Nickerson, Daniele Littera, Alexander Kopache, Kyle R. Becker | 2021-10-19 |
| 10253686 | Hybrid cycle combustion engine and methods | Nikolay Shkolnik | 2019-04-09 |
| 10221690 | Rotary engine with intake and exhaust through rotor shaft | Nikolay Shkolnik | 2019-03-05 |
| 10196970 | Isochoric heat addition engines and methods | Nikolay Shkolnik | 2019-02-05 |
| 10125675 | Internal combustion engine | Nikolay Shkolnik, Alex Lyubomirskiy | 2018-11-13 |
| 9810068 | Rotary engine with cam-guided rotor | Nikolay Shkolnik | 2017-11-07 |
| 9644570 | Hybrid cycle rotary engine | Nikolay Shkolnik | 2017-05-09 |
| 9528435 | Air-cooled rotary engine | Nikolay Shkolnik, Alex Lyubomirskiy | 2016-12-27 |
| 9523310 | Hybrid cycle combustion engine and methods | Nikolay Shkolnik | 2016-12-20 |
| 9382851 | Isochoric heat addition engines and methods | Nikolay Shkolnik | 2016-07-05 |
| 9353623 | Seal assembly for a heat engine | Nikolay Shkolnik | 2016-05-31 |
| 8863724 | Isochoric heat addition engines and methods | Nikolay Shkolnik | 2014-10-21 |
| 8863723 | Hybrid cycle rotary engine | Nikolay Shkolnik | 2014-10-21 |
| 8794211 | Hybrid cycle combustion engine and methods | Nikolay Shkolnik | 2014-08-05 |
| 8523546 | Cycloid rotor engine | Nikolay Shkolnik | 2013-09-03 |
| 8365698 | Hybrid cycle combustion engine and methods | Nikolay Shkolnik | 2013-02-05 |
| 8365699 | Hybrid cycle rotary engine | Nikolay Shkolnik | 2013-02-05 |
| 7909013 | Hybrid cycle rotary engine | Nikolay Shkolnik | 2011-03-22 |
| 7654953 | Universal vaginal speculum with disconnectable blades | German Borodulin, Ananias Diokno | 2010-02-02 |
| 6712761 | Combination of a vaginal speculum with a single-lens colposcope | German Borodulin, Ananias Diokno | 2004-03-30 |
| 6672550 | Universal pan and pot lid holder | German Borodulin | 2004-01-06 |
| 6669654 | Method for measuring positions and dimensions of vaginal prolapses with a vaginal speculum having removable blades | Ananias Diokno, German Borodulin | 2003-12-30 |
| 6585200 | Universal pan and pot lid holder | German Borodulin | 2003-07-01 |
| 6569091 | Disconnectable vaginal speculum with removeable blades | Ananias Diokno, German Borodulin | 2003-05-27 |