Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139661 | Bilevel equalizer for battery cell charge management | — | 2021-10-05 |
| 10862318 | Bilevel equalizer for battery cell charge management | — | 2020-12-08 |
| 7667438 | Energy storage system with ultracapacitor and switched battery | Cyrus N. Ashtiani | 2010-02-23 |
| 7417407 | Circuit with a switch for charging a battery in a battery capacitor circuit | Cyrus N. Ashtiani | 2008-08-26 |
| 6882061 | Battery self-warming mechanism using the inverter and the battery main disconnect circuitry | Cyrus N. Ashtiani | 2005-04-19 |
| 6411097 | Electronic circuit for measuring series connected electrochemical cell voltages | Cyrus N. Ashtiani | 2002-06-25 |
| 6259229 | Circulating current battery heater | Cyrus N. Ashtiani | 2001-07-10 |
| 6166549 | Electronic circuit for measuring series connected electrochemical cell voltages | Cyrus N. Ashtiani | 2000-12-26 |
| 6078165 | Multiplexed modular battery management system for large battery packs | Cyrus N. Ashtiani | 2000-06-20 |
| 6072301 | Efficient resonant self-heating battery electric circuit | Cyrus N. Ashtiani | 2000-06-06 |
| 5990661 | Circulating current battery heater | Cyrus N. Ashtiani | 1999-11-23 |
| 5982143 | Battery equalization circuit with ramp converter and selective outputs | — | 1999-11-09 |
| 5844399 | Battery charger control system | — | 1998-12-01 |
| 5666041 | Battery equalization circuit with ramp converter | Zhong Ye | 1997-09-09 |
| 5235501 | High efficiency voltage converter | Keming Chen | 1993-08-10 |
| 4853832 | Cascaded resonant bridge converters | — | 1989-08-01 |
| 4337429 | A.C. Motor control circuit | — | 1982-06-29 |