Caldwell; David W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Caldwell; David W..The latest application filed is for "simultaneous time domain differential sensing and electric field sensing".
Company Profile
3.39.30
- Caldwell; David W. - Holland MI
- Caldwell; David W. - Naperville IL
- Caldwell; David W. - Winfield IL
- Caldwell; David W. - Lapeer MI
Patent Activity
| Patent | Date |
|---|---|
| Simultaneous Time Domain Differential Sensing And Electric Field Sensing App 20210373684 - Caldwell; David W. | 2021-12-02 |
| Simultaneous Time Domain Differential Sensing And Electric Field Sensing App 20210376830 - Caldwell; David W. | 2021-12-02 |
| Simultaneous Time Domain Differential Sensing And Electric Field Sensing App 20210376829 - Caldwell; David W. | 2021-12-02 |
| Apparatus And Method For Determining A Stimulus, Including A Touch Input And A Stylus Input App 20190369771 - Caldwell; David W. ; et al. | 2019-12-05 |
| Apparatus and method for determining a stimulus, including a touch input and a stylus input Grant 10,248,264 - Caldwell , et al. | 2019-04-02 |
| Time domain differential techniques to characterize various stimuli Grant 10,185,439 - Caldwell , et al. Ja | 2019-01-22 |
| Time Domain Differential Techniques To Characterize Various Stimuli App 20180136780 - Caldwell; David W. ; et al. | 2018-05-17 |
| Time domain differential techniques to characterize various stimuli Grant 9,851,834 - Caldwell , et al. December 26, 2 | 2017-12-26 |
| Simultaneous Time Domain Differential Sensing And Electric Field Sensing App 20170068378 - Caldwell; David W. | 2017-03-09 |
| Light emitting device for illuminating plants Grant 9,437,786 - Mastin , et al. September 6, 2 | 2016-09-06 |
| Touch switches and practical applications therefor Grant 9,306,561 - Caldwell , et al. April 5, 2 | 2016-04-05 |
| Light Emitting Device For Illuminating Plants App 20160064620 - Mastin; Jeffrey L. ; et al. | 2016-03-03 |
| Light emitting device for illuminating plants Grant 9,184,350 - Mastin , et al. November 10, 2 | 2015-11-10 |
| Apparatus And Method For Determining A Stimulus, Including A Touch Input And A Stylus Input App 20150301646 - Caldwell; David W. ; et al. | 2015-10-22 |
| Volumetric light emitting device Grant 9,041,286 - Fisher , et al. May 26, 2 | 2015-05-26 |
| Time Domain Differential Techniques To Characterize Various Stimuli App 20150070311 - Caldwell; David W. ; et al. | 2015-03-12 |
| Light Emitting Device For Illuminating Plants App 20140374780 - Schaefer; William D. ; et al. | 2014-12-25 |
| Volumetric Light Emitting Device App 20140354145 - Fisher; Daniel J. ; et al. | 2014-12-04 |
| Apparatus and method for determining a touch input Grant 8,866,497 - Caldwell , et al. October 21, 2 | 2014-10-21 |
| Keyboard With Integrated Touch Sensing App 20140253454 - Caldwell; David W. | 2014-09-11 |
| Method of making an electrical circuit Grant 8,307,549 - Caldwell , et al. November 13, 2 | 2012-11-13 |
| Touch Switches And Practical Applications Therefor App 20120267964 - Caldwell; David W. ; et al. | 2012-10-25 |
| Touch switches and practical applications therefor Grant 8,227,940 - Caldwell , et al. July 24, 2 | 2012-07-24 |
| Apparatus And Method For Determining A Touch Input App 20120068760 - Caldwell; David W. ; et al. | 2012-03-22 |
| Intelligent shelving system Grant 8,135,482 - Caldwell , et al. March 13, 2 | 2012-03-13 |
| Touch Switches And Practical Applications Therefor App 20110133815 - Caldwell; David W. ; et al. | 2011-06-09 |
| Touch switches and practical applications therefor Grant 7,906,875 - Caldwell , et al. March 15, 2 | 2011-03-15 |
| Integrated touch sensor and light apparatus Grant RE42,199 - Caldwell March 8, 2 | 2011-03-08 |
| Intelligent shelving system Grant 7,840,286 - Caldwell , et al. November 23, 2 | 2010-11-23 |
| Intelligent Shelving System App 20100219958 - Caldwell; David W. ; et al. | 2010-09-02 |
| Method Of Making An Electrical Circuit App 20100218978 - Caldwell; David W. ; et al. | 2010-09-02 |
| Multi-layer solid state keyboard Grant 7,532,131 - Schaefer , et al. May 12, 2 | 2009-05-12 |
| Integrated touch sensor and light apparatus Grant 7,361,860 - Caldwell April 22, 2 | 2008-04-22 |
| Intelligent shelving system Grant 7,260,438 - Caldwell , et al. August 21, 2 | 2007-08-21 |
| Touch sensor with integrated decoration Grant 7,242,393 - Caldwell July 10, 2 | 2007-07-10 |
| Intelligent shelving system App 20070156261 - Caldwell; David W. ; et al. | 2007-07-05 |
| Touch switch with integral control circuit Grant 7,218,498 - Caldwell May 15, 2 | 2007-05-15 |
| Integrated low profile display Grant 7,175,304 - Wadia , et al. February 13, 2 | 2007-02-13 |
| Integrated touch sensor and light apparatus Grant 7,098,414 - Caldwell August 29, 2 | 2006-08-29 |
| Touch switches and practical applications therefor App 20060158041 - Caldwell; David W. ; et al. | 2006-07-20 |
| Touch switch with integral control circuit Grant 7,030,513 - Caldwell April 18, 2 | 2006-04-18 |
| Control system input apparatus and method Grant 6,944,018 - Caldwell September 13, 2 | 2005-09-13 |
| Molded/integrated touch switch/control panel assembly and method for making same Grant 6,897,390 - Caldwell , et al. May 24, 2 | 2005-05-24 |
| Substrate with multiple conductive layers and methods for making and using same App 20050020062 - Caldwell, David W. ; et al. | 2005-01-27 |
| Integrated touch sensor and light apparatus App 20040238726 - Caldwell, David W. | 2004-12-02 |
| Integrated low profile display App 20040228145 - Wadia, Bahar N. ; et al. | 2004-11-18 |
| Touch switch with integral control circuit App 20040124714 - Caldwell, David W. | 2004-07-01 |
| Touch switch with integral control circuit Grant 6,713,897 - Caldwell March 30, 2 | 2004-03-30 |
| Integrated touch sensor and light apparatus App 20030159910 - Caldwell, David W. | 2003-08-28 |
| Touch sensor with integrated decoration App 20030122794 - Caldwell, David W. | 2003-07-03 |
| Touch switch with integral control circuit App 20030122432 - Caldwell, David W. | 2003-07-03 |
| Intelligent shelving system App 20030122455 - Caldwell, David W. | 2003-07-03 |
| Molded/integrated touch switch/control panel assembly and method for making same App 20030121767 - Caldwell, David W. | 2003-07-03 |
| Control system input apparatus and method App 20030075427 - Caldwell, David W. | 2003-04-24 |
| Touch switch with integral control circuit App 20020057020 - Caldwell, David W. | 2002-05-16 |
| Touch switch with integral control circuit Grant 6,320,282 - Caldwell November 20, 2 | 2001-11-20 |
| Differential touch sensor and control circuit therefor Grant 6,310,611 - Caldwell October 30, 2 | 2001-10-30 |
| Touch control system Grant 5,867,111 - Caldwell , et al. February 2, 1 | 1999-02-02 |
| Touch sensor and control circuit therefor Grant 5,594,222 - Caldwell January 14, 1 | 1997-01-14 |
| Touch control system Grant 5,572,205 - Caldwell , et al. November 5, 1 | 1996-11-05 |
| Modular network control system Grant 5,289,365 - Caldwell , et al. February 22, 1 | 1994-02-22 |
| Touch sensor panel with hidden graphic mode Grant 5,239,152 - Caldwell , et al. August 24, 1 | 1993-08-24 |
| Detection circuit for matrix touch pad Grant 5,189,417 - Caldwell , et al. February 23, 1 | 1993-02-23 |
| Controllable power distribution system Grant 5,164,609 - Poppe , et al. November 17, 1 | 1992-11-17 |
| Modular power outlet strip Grant 5,157,273 - Medendorp , et al. October 20, 1 | 1992-10-20 |
| Touch-sensitive control circuit Grant 5,153,572 - Caldwell , et al. October 6, 1 | 1992-10-06 |
| High DC voltage power supply for motor vehicle electrical system Grant 4,780,619 - Campbell , et al. October 25, 1 | 1988-10-25 |
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