| 9885478 |
Process for generating combustible gas from organic feedstock and reactors therefor |
John W. Burke, Jr., Paul Aiken |
2018-02-06 |
| 8590505 |
Method of operating a compression ignition internal combustion engine |
Brandon Simmons, Cheng G. Li, Clark H. Cummins |
2013-11-26 |
| 6932002 |
System and method of processing solid waste |
John W. Burke, Jr. |
2005-08-23 |
| 6820417 |
Exhaust aftertreatment system and method for an internal combustion engine |
Charles R. Schenk, Louis A. Krempel, H. Lee Fisher, Angela R. May |
2004-11-23 |
| 6668663 |
Method and apparatus to determine flow rate with the introduction of ambient air |
Louis A. Krempel, Angela R. May |
2003-12-30 |
| 6579218 |
Centrifugal filter utilizing a partial vacuum condition to effect reduced air drag on the centrifuge rotor |
Louis A. Krempel, Steven J. Merritt |
2003-06-17 |
| 6517475 |
Centrifugal filter for removing soot from engine oil |
Gene W. Brown, Steven J. Merritt, Farrell F. Calcaterra, John H. Beard, Louis A. Krempel |
2003-02-11 |
| 6463157 |
Bone conduction speaker and microphone |
— |
2002-10-08 |
| 6213929 |
Motor driven centrifugal filter |
— |
2001-04-10 |
| 6210311 |
Turbine driven centrifugal filter |
— |
2001-04-03 |
| 5889730 |
Underwater audio communication system using bone conducted sound |
— |
1999-03-30 |
| 5706251 |
Scuba diving voice and communication system using bone conducted sound |
— |
1998-01-06 |
| 5579284 |
Scuba diving voice and communication system using bone conducted sound |
— |
1996-11-26 |
