Christensen; David M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Christensen; David M..The latest application filed is for "high efficiency heater with condensate collection and humidification".
- Christensen; David M. - Sioux Falls SD
- Christensen; David M. - Fallbrook CA
- Christensen; David M. - O'Fallon IL
- Christensen; David M - Mission Viejo CA
- Christensen; David M. - Bethel VT
- Christensen; David M. - Coralville IA
| Patent | Date |
|---|---|
| High efficiency heater with condensate collection and humidification Grant 11,156,383 - Dresner , et al. October 26, 2 | 2021-10-26 |
| High Efficiency Heater With Condensate Collection And Humidification App 20180320928 - Dresner; Bruce ; et al. | 2018-11-08 |
| High efficiency heater with condensate collection and humidification Grant 10,072,872 - Dresner , et al. September 11, 2 | 2018-09-11 |
| High Efficiency Heater With Condensate Collection And Humidification App 20150369518 - Dresner; Bruce ; et al. | 2015-12-24 |
| Control system for space heater/hearth Grant 9,062,881 - Dresner , et al. June 23, 2 | 2015-06-23 |
| Evaporation Apparatus For High Efficiency Fire Place Or Heater With Humidification Feature App 20130255664 - Dresner; Bruce ; et al. | 2013-10-03 |
| Control System For Space Heater/hearth App 20130216962 - Dresner; Bruce ; et al. | 2013-08-22 |
| Stackable tray with integral latch Grant 7,438,185 - Ho , et al. October 21, 2 | 2008-10-21 |
| Stackable wafer container with raised handle and ribs Grant 7,299,927 - Emter , et al. November 27, 2 | 2007-11-27 |
| Retention latch for packaging apparatus App 20060283773 - Ho; Thi Q. ; et al. | 2006-12-21 |
| Stackable tray with integral latch App 20060260970 - Ho; Thi Q. ; et al. | 2006-11-23 |
| Wafer container App 20060175220 - Emter; Steven R. ; et al. | 2006-08-10 |
| System and method for locating components on a tray App 20060118459 - Christensen; David M. | 2006-06-08 |
| Unlatching apparatus for media disk caddy App 20060108242 - Christensen; David M. ; et al. | 2006-05-25 |
| Outdoor cooker and smoker apparatus Grant 6,945,160 - Christensen , et al. September 20, 2 | 2005-09-20 |
| Outdoor cooker and smoker apparatus App 20040094142 - Christensen, David M. ; et al. | 2004-05-20 |
| Direct vent fireplace with baffled, directional exhaust and vent air column Grant 6,463,926 - Flick , et al. October 15, 2 | 2002-10-15 |
| Direct and indirect outdoor cooker Grant 6,314,868 - Christensen , et al. November 13, 2 | 2001-11-13 |
| Food cooking apparatus Grant 6,269,737 - Rigney , et al. August 7, 2 | 2001-08-07 |
| Computer expansion card latching and retention mechanism Grant 6,173,843 - Christensen , et al. January 16, 2 | 2001-01-16 |
| Method and apparatus for bending tubes using split bend die Grant 5,337,590 - Schuchert , et al. August 16, 1 | 1994-08-16 |
| Commands system for electronic refrigerator control Grant 4,970,870 - Midlang , et al. November 20, 1 | 1990-11-20 |
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