Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955336 | Sleeveless solenoid for a linear actuator | Raul A. Bircann | 2005-10-18 |
| 6759934 | Proportionally-controllable solenoid actuator | Raul A. Bircann, Melissa Bargmann | 2004-07-06 |
| 6729351 | Expanded range multiple-stage metering valve | Raul A. Bircann | 2004-05-04 |
| 6670875 | Magnetically-efficient solenoid for a linear actuator | Raul A. Bircann | 2003-12-30 |
| 6634346 | Bearing module for exhaust gas recirculation valve | Raul A. Bircann | 2003-10-21 |
| 6604542 | Modular exhaust gas recirculation valve | Raul A. Bircann | 2003-08-12 |
| 6543746 | Shaft leakage containment system for a gas control valve | Raul A. Bircann | 2003-04-08 |
| 6538543 | Particle-impeding and ventilated solenoid actuator | Raul A. Bircann | 2003-03-25 |
| 6497226 | Modular, compliant, sealing bearing assembly | Raul A. Bircann | 2002-12-24 |
| 6497225 | EGR metering subassembly including a gas arrestor | Raul A. Bircann | 2002-12-24 |
| 6484705 | Pintle valve having an internal flow modifier with self-aligning head | Raul A. Bircann | 2002-11-26 |
| 6481424 | Valve shaft scraper and filter for preventing coking | Raul A. Bircann | 2002-11-19 |
| 6467754 | Adaptable gas and moisture shield for a gas management valve | Raul A. Bircann, Paul L. Gluchowski | 2002-10-22 |
| 6453934 | Shaft brush for preventing coking in a gas management valve | Raul A. Bircann | 2002-09-24 |
| 6439213 | Shaft leakage arresting system for a gas management valve | Raul A. Bircann | 2002-08-27 |
| 6435168 | Pressure balancing metering subassembly for use with a modular EGR valve | Raul A. Bircann | 2002-08-20 |
| 6422216 | Exhaust gas recirculation valve | Bohdan Michael Lyko | 2002-07-23 |
| 6247461 | High flow gas force balanced EGR valve | Craig Smith, Paul L. Gluchowski, Mark Allen Reeves | 2001-06-19 |
| 6217001 | Pressure balanced gas valve | Paul L. Gluchowski, Raul A. Bircann, Paul Timothy Gee | 2001-04-17 |
| 6213447 | Poppet value having a compliant shaft guide and compliant valve head | Raul A. Bircann | 2001-04-10 |
| 5878779 | Actuator housing | Raul A. Bircann, Paul Francis Danahy | 1999-03-09 |
| 5779220 | Linear solenoid actuator for an exhaust gas recirculation valve | Thomas W. Nehl, Noreen Louise Mastro, Raul A. Bircann | 1998-07-14 |
| 5685519 | Exhaust gas recirculation valve | Raul A. Bircann | 1997-11-11 |
| 5467962 | Actuator for an exhaust gas recirculation valve | Raul A. Bircann | 1995-11-21 |
| 5020505 | Exhaust gas recirculation valve assembly | Thaddeus J. Grey, Charles W. Braun | 1991-06-04 |