Tondra; Mark C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tondra; Mark C..The latest application filed is for "non-contact liquid level sensor".
- Tondra; Mark C. - Zhangjiagang CN
- Tondra; Mark C. - Minneapolis MN US
| Patent | Date |
|---|---|
| Low profile magnetoresistive imaging sensor array Grant 10,371,761 - Tondra , et al. | 2019-08-06 |
| Liquid level sensor system Grant 9,964,427 - Deak , et al. May 8, 2 | 2018-05-08 |
| Multiturn pulley liquid level sensor device Grant 9,952,085 - Deak , et al. April 24, 2 | 2018-04-24 |
| Non-contact Liquid Level Sensor App 20170010147 - DEAK; James Geza ; et al. | 2017-01-12 |
| Low Profile Magnetoresistive Imaging Sensor Array App 20170003357 - Tondra; Mark C. ; et al. | 2017-01-05 |
| Multiturn Pulley Liquid Level Sensor Device App 20160231161 - Deak; James Geza ; et al. | 2016-08-11 |
| Liquid Level Sensor System App 20160123789 - Deak; James Geza ; et al. | 2016-05-05 |
| Method for fabricating thin-film structure magnetizable bead detector Grant 9,063,090 - Tondra June 23, 2 | 2015-06-23 |
| Current switched magnetoresistive memory cell Grant RE44,878 - Daughton , et al. May 6, 2 | 2014-05-06 |
| Magnetic particle flow detector Grant 7,609,054 - Tondra , et al. October 27, 2 | 2009-10-27 |
| Thin-film structure magnetizable bead detector App 20090031552 - Tondra; Mark C. | 2009-02-05 |
| Method for detecting magnetic particles in a fluid using thin-film magnetic field sensor Grant 7,446,524 - Tondra November 4, 2 | 2008-11-04 |
| Magnetic particle flow detector App 20080218157 - Tondra; Mark C. ; et al. | 2008-09-11 |
| Magnetic particle flow detector Grant 7,391,091 - Tondra , et al. June 24, 2 | 2008-06-24 |
| Thin-film structure magnetizable bead detector App 20070236212 - Tondra; Mark C. | 2007-10-11 |
| Magnetizable bead detector Grant 7,238,539 - Tondra July 3, 2 | 2007-07-03 |
| Thin-film structure magnetizable bead detector Grant 7,235,969 - Tondra June 26, 2 | 2007-06-26 |
| Magnetic particle flow detector App 20060081954 - Tondra; Mark C. ; et al. | 2006-04-20 |
| Magnetizable bead detector App 20050127916 - Tondra, Mark C. | 2005-06-16 |
| Magnetizable bead detector Grant 6,875,621 - Tondra April 5, 2 | 2005-04-05 |
| Magnetic field sensor with augmented magnetoresistive sensing layer Grant 6,872,467 - Qian , et al. March 29, 2 | 2005-03-29 |
| Magnetizable bead detector App 20040259271 - Tondra, Mark C. | 2004-12-23 |
| Magnetic field sensor with augmented magnetoresistive sensing layer App 20040115478 - Qian, Zhenghong ; et al. | 2004-06-17 |
| Current switched magnetoresistive memory cell Grant 6,744,086 - Daughton , et al. June 1, 2 | 2004-06-01 |
| Magnetizable bead detector Grant 6,743,639 - Tondra , et al. June 1, 2 | 2004-06-01 |
| Current switched magnetoresistive memory cell App 20030007398 - Daughton, James M. ; et al. | 2003-01-09 |
| Uniform sense condition magnetic field sensor using differential magnetoresistance Grant 6,462,541 - Wang , et al. October 8, 2 | 2002-10-08 |
| Magnetizable bead detector App 20020060565 - Tondra, Mark C. | 2002-05-23 |
| Spin dependent tunneling sensor Grant 6,072,382 - Daughton , et al. June 6, 2 | 2000-06-06 |
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