David W. Caldwell

Person

Lapeer, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Simultaneous time domain differential sensing and electric field se...
- Patent number 11,730,910
- Issue date Aug 22, 2023
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Simultaneous time domain differential sensing and electric field se...
- Patent number 11,592,943
- Issue date Feb 28, 2023
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Simultaneous time domain differential sensing and electric field se...
- Patent number 11,592,942
- Issue date Feb 28, 2023
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Simultaneous time domain differential sensing and electric field se...
- Patent number 11,561,652
- Issue date Jan 24, 2023
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for determining a stimulus, including a touch...
- Patent number 10,248,264
- Issue date Apr 2, 2019
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time domain differential techniques to characterize various stimuli
- Patent number 10,185,439
- Issue date Jan 22, 2019
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Time domain differential techniques to characterize various stimuli
- Patent number 9,851,834
- Issue date Dec 26, 2017
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light emitting device for illuminating plants
- Patent number 9,437,786
- Issue date Sep 6, 2016
- VENNTIS TECHNOLOGIES LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch switches and practical applications therefor
- Patent number 9,306,561
- Issue date Apr 5, 2016
- TouchSensor Technologies, LLC
- David W. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Light emitting device for illuminating plants
- Patent number 9,184,350
- Issue date Nov 10, 2015
- VENNTIS TECHNOLOGIES LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for scattering light
- Patent number 9,182,098
- Issue date Nov 10, 2015
- VENNTIS TECHNOLOGIES LLC
- David Wayne Caldwell
- F21 - LIGHTING
Information Patent Grant
Volumetric light emitting device
- Patent number 9,041,286
- Issue date May 26, 2015
- VENNTIS TECHNOLOGIES LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Grant
Apparatus and method for determining a touch input
- Patent number 8,866,497
- Issue date Oct 21, 2014
- AlSentis, LLC
- David W. Caldwell
- G01 - MEASURING TESTING
Information Patent Grant
Method of making an electrical circuit
- Patent number 8,307,549
- Issue date Nov 13, 2012
- TouchSensor Technologies, LLC
- David W. Caldwell
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Touch switches and practical applications therefor
- Patent number 8,227,940
- Issue date Jul 24, 2012
- TouchSensor Technologies, LLC
- David W. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Intelligent shelving system
- Patent number 8,135,482
- Issue date Mar 13, 2012
- TouchSensor Technologies, LLC
- David W. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Touch switches and practical applications therefor
- Patent number 7,906,875
- Issue date Mar 15, 2011
- TouchSensor Technologies, LLC
- David W. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Integrated touch sensor and light apparatus
- Patent number RE42199
- Issue date Mar 8, 2011
- TouchSensor Technologies, LLC
- David W. Caldwell
- 200 - Electricity: circuit makers and breakers
Information Patent Grant
Intelligent shelving system
- Patent number 7,840,286
- Issue date Nov 23, 2010
- TouchSensor Technologies, LLC
- David W. Caldwell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Multi-layer solid state keyboard
- Patent number 7,532,131
- Issue date May 12, 2009
- William David Schaefer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated touch sensor and light apparatus
- Patent number 7,361,860
- Issue date Apr 22, 2008
- TouchSensor Technologies, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Intelligent shelving system
- Patent number 7,260,438
- Issue date Aug 21, 2007
- TouchSensor Technologies, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Touch sensor with integrated decoration
- Patent number 7,242,393
- Issue date Jul 10, 2007
- TouchSensor Technologies LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Touch switch with integral control circuit
- Patent number 7,218,498
- Issue date May 15, 2007
- TouchSensor Technologies LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Integrated low profile display
- Patent number 7,175,304
- Issue date Feb 13, 2007
- TouchSensor Technologies, LLC
- Bahar N. Wadia
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated touch sensor and light apparatus
- Patent number 7,098,414
- Issue date Aug 29, 2006
- TouchSensor Technologies LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Touch switch with integral control circuit
- Patent number 7,030,513
- Issue date Apr 18, 2006
- TouchSensor Technologies, LLC
- David W. Caldwell
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Control system input apparatus and method
- Patent number 6,944,018
- Issue date Sep 13, 2005
- TouchSensor Technologies, LLC
- David W. Caldwell
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Molded/integrated touch switch/control panel assembly and method fo...
- Patent number 6,897,390
- Issue date May 24, 2005
- TouchSensor Technologies, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Touch switch with integral control circuit
- Patent number 6,713,897
- Issue date Mar 30, 2004
- TouchSensor Technologies, LLC
- David W. Caldwell
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...
- Publication number 20230355911
- Publication date Nov 9, 2023
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...
- Publication number 20210376829
- Publication date Dec 2, 2021
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...
- Publication number 20210373684
- Publication date Dec 2, 2021
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...
- Publication number 20210376830
- Publication date Dec 2, 2021
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...
- Publication number 20190369771
- Publication date Dec 5, 2019
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIME DOMAIN DIFFERENTIAL TECHNIQUES TO CHARACTERIZE VARIOUS STIMULI
- Publication number 20180136780
- Publication date May 17, 2018
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...
- Publication number 20170068378
- Publication date Mar 9, 2017
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PORTABLE AND RECONFIGURABLE ISOTROPIC LIGHTING DEVICES
- Publication number 20170002994
- Publication date Jan 5, 2017
- Venntis Technologies, LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Application
LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS
- Publication number 20160064620
- Publication date Mar 3, 2016
- Venntis Technologies LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...
- Publication number 20150301646
- Publication date Oct 22, 2015
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIME DOMAIN DIFFERENTIAL TECHNIQUES TO CHARACTERIZE VARIOUS STIMULI
- Publication number 20150070311
- Publication date Mar 12, 2015
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS
- Publication number 20140374780
- Publication date Dec 25, 2014
- William D. Schaefer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VOLUMETRIC LIGHT EMITTING DEVICE
- Publication number 20140354145
- Publication date Dec 4, 2014
- Venntis Technologies LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Application
KEYBOARD WITH INTEGRATED TOUCH SENSING
- Publication number 20140253454
- Publication date Sep 11, 2014
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ILLUMINATOR WITH DEVICE FOR SCATTERING LIGHT
- Publication number 20140078722
- Publication date Mar 20, 2014
- Venntis Technologies LLC
- David Wayne Caldwell
- G02 - OPTICS
Information Patent Application
DEVICE FOR SCATTERING LIGHT
- Publication number 20140078746
- Publication date Mar 20, 2014
- Venntis Technologies LLC
- David Wayne Caldwell
- G02 - OPTICS
Information Patent Application
TOUCH SWITCHES AND PRACTICAL APPLICATIONS THEREFOR
- Publication number 20120267964
- Publication date Oct 25, 2012
- TOUCHSENSOR TECHNOLOGIES, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A TOUCH INPUT
- Publication number 20120068760
- Publication date Mar 22, 2012
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TOUCH SWITCHES AND PRACTICAL APPLICATIONS THEREFOR
- Publication number 20110133815
- Publication date Jun 9, 2011
- TOUCHSENSOR TECHNOLOGIES, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD OF MAKING AN ELECTRICAL CIRCUIT
- Publication number 20100218978
- Publication date Sep 2, 2010
- TOUCHSENSOR TECHNOLOGIES, LLC
- David W. Caldwell
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
INTELLIGENT SHELVING SYSTEM
- Publication number 20100219958
- Publication date Sep 2, 2010
- TOUCHSENSOR TECHNOLOGIES, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Intelligent shelving system
- Publication number 20070156261
- Publication date Jul 5, 2007
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Touch switches and practical applications therefor
- Publication number 20060158041
- Publication date Jul 20, 2006
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Substrate with multiple conductive layers and methods for making an...
- Publication number 20050020062
- Publication date Jan 27, 2005
- David W. Caldwell
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Integrated touch sensor and light apparatus
- Publication number 20040238726
- Publication date Dec 2, 2004
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Integrated low profile display
- Publication number 20040228145
- Publication date Nov 18, 2004
- Bahar N. Wadia
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Touch switch with integral control circuit
- Publication number 20040124714
- Publication date Jul 1, 2004
- David W. Caldwell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Integrated touch sensor and light apparatus
- Publication number 20030159910
- Publication date Aug 28, 2003
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Intelligent shelving system
- Publication number 20030122455
- Publication date Jul 3, 2003
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Touch sensor with integrated decoration
- Publication number 20030122794
- Publication date Jul 3, 2003
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

David W. Caldwell

Person

Patents Grantslast 30 patents

Simultaneous time domain differential sensing and electric field se...

Simultaneous time domain differential sensing and electric field se...

Simultaneous time domain differential sensing and electric field se...

Simultaneous time domain differential sensing and electric field se...

Apparatus and method for determining a stimulus, including a touch...

Time domain differential techniques to characterize various stimuli

Time domain differential techniques to characterize various stimuli

Light emitting device for illuminating plants

Touch switches and practical applications therefor

Light emitting device for illuminating plants

Device for scattering light

Volumetric light emitting device

Apparatus and method for determining a touch input

Method of making an electrical circuit

Touch switches and practical applications therefor

Intelligent shelving system

Touch switches and practical applications therefor

Integrated touch sensor and light apparatus

Intelligent shelving system

Multi-layer solid state keyboard

Integrated touch sensor and light apparatus

Intelligent shelving system

Touch sensor with integrated decoration

Touch switch with integral control circuit

Integrated low profile display

Integrated touch sensor and light apparatus

Touch switch with integral control circuit

Control system input apparatus and method

Molded/integrated touch switch/control panel assembly and method fo...

Touch switch with integral control circuit

Patents Applicationslast 30 patents

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...

APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...

TIME DOMAIN DIFFERENTIAL TECHNIQUES TO CHARACTERIZE VARIOUS STIMULI

SIMULTANEOUS TIME DOMAIN DIFFERENTIAL SENSING AND ELECTRIC FIELD SE...

PORTABLE AND RECONFIGURABLE ISOTROPIC LIGHTING DEVICES

LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS

APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...

TIME DOMAIN DIFFERENTIAL TECHNIQUES TO CHARACTERIZE VARIOUS STIMULI

LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS

VOLUMETRIC LIGHT EMITTING DEVICE

KEYBOARD WITH INTEGRATED TOUCH SENSING

ILLUMINATOR WITH DEVICE FOR SCATTERING LIGHT

DEVICE FOR SCATTERING LIGHT

TOUCH SWITCHES AND PRACTICAL APPLICATIONS THEREFOR

APPARATUS AND METHOD FOR DETERMINING A TOUCH INPUT

TOUCH SWITCHES AND PRACTICAL APPLICATIONS THEREFOR

METHOD OF MAKING AN ELECTRICAL CIRCUIT

INTELLIGENT SHELVING SYSTEM

Intelligent shelving system

Touch switches and practical applications therefor

Substrate with multiple conductive layers and methods for making an...

Integrated touch sensor and light apparatus

Integrated low profile display

Touch switch with integral control circuit

Integrated touch sensor and light apparatus

Intelligent shelving system

Touch sensor with integrated decoration