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Terence J. Knowles
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Barrington, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Acoustic array liquid level sensor
Patent number
11,808,616
Issue date
Nov 7, 2023
TexZec, Inc.
Terence John Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Helical acoustic liquid level sensor
Patent number
11,714,176
Issue date
Aug 1, 2023
TexZec, Inc.
Terence John Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Acoustic mode touch panels with selectable characteristics
Patent number
11,320,938
Issue date
May 3, 2022
Texzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch sensor with multiple modes of operation, increased reliabilit...
Patent number
11,320,939
Issue date
May 3, 2022
Texzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultrasonic level sensor for aerated fluids
Patent number
10,551,238
Issue date
Feb 4, 2020
Illinois Tool Works Inc.
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Acoustic array sensor
Patent number
9,880,044
Issue date
Jan 30, 2018
Street Smart Sensors LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Touch screen with acoustic mode reflective and conversion arrays
Patent number
9,658,719
Issue date
May 23, 2017
Street Smart Sensors LLC
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic flexural order level sensor
Patent number
9,285,261
Issue date
Mar 15, 2016
Street Smart Sensors LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Liquid level sensor with improved temperature range
Patent number
9,121,746
Issue date
Sep 1, 2015
Illinois Tool Works Inc.
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Ultrasonic liquid level detector
Patent number
8,919,193
Issue date
Dec 30, 2014
Street Smart Sensors LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
System and method for sensing liquid levels
Patent number
8,180,582
Issue date
May 15, 2012
Illinois Tool Works Inc.
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Grant
Acoustic wave touch detection circuit and method
Patent number
7,812,269
Issue date
Oct 12, 2010
Illinois Tool Works Inc.
Terence J. Knowles
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Acoustic wave touch bar system and method of use
Patent number
7,511,704
Issue date
Mar 31, 2009
Illinois Tool Works Inc.
Terence J. Knowles
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Acoustic wave touch actuated switch with feedback
Patent number
7,463,249
Issue date
Dec 9, 2008
Illinois Tool Works Inc.
Terence J. Knowles
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Individual acoustic wave switch
Patent number
7,307,627
Issue date
Dec 11, 2007
Illinois Tool Works, Inc.
Terence J. Knowles
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Acoustic wave touch detection circuit and method
Patent number
7,265,746
Issue date
Sep 4, 2007
Illinois Tool Works Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic wave touch actuated switch
Patent number
7,106,310
Issue date
Sep 12, 2006
TexZec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Torsional acoustic wave sensor
Patent number
7,053,529
Issue date
May 30, 2006
TexZec, Inc.
Terence J. Knowles
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Acoustic wave ice and water detector
Patent number
7,026,943
Issue date
Apr 11, 2006
TexZec, Inc.
Terence J. Knowles
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Acoustic wave sensor with EMAT drive
Patent number
6,933,932
Issue date
Aug 23, 2005
TexZec, Inc.
Terence J. Knowles
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Edge treatment method for ultrasonic wave absorption
Patent number
6,313,829
Issue date
Nov 6, 2001
The Whitaker Corporation
Thomas L. Tolt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch panels having plastic substrates
Patent number
6,087,599
Issue date
Jul 11, 2000
The Whitaker Corporation
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic wave touch panel with inlayed, etched arrays and method of...
Patent number
5,648,643
Issue date
Jul 15, 1997
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic wave touch panel for use with a non-active stylus
Patent number
5,451,723
Issue date
Sep 19, 1995
Carroll Touch, Inc.
Jianming Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Controller for an acoustic touch panel
Patent number
5,380,959
Issue date
Jan 10, 1995
Carroll Touch, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch panel for an acoustic touch position sensor
Patent number
5,329,070
Issue date
Jul 12, 1994
Carroll Touch Inc
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic touch position sensor using shear wave propagation
Patent number
5,260,521
Issue date
Nov 9, 1993
Exzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch panel for an acoustic touch position sensor using shear wave...
Patent number
5,243,148
Issue date
Sep 7, 1993
Exzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic touch position sensor using shear wave propagation
Patent number
5,177,327
Issue date
Jan 5, 1993
Exzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic touch position sensor with first order lamb wave reflectiv...
Patent number
5,162,618
Issue date
Nov 10, 1992
Exzec, Inc.
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
ACOUSTIC FLEXURAL ORDER LEVEL SENSOR
Publication number
20140069186
Publication date
Mar 13, 2014
STREET SMART SENSORS LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
ULTRASONIC LEVEL SENSOR FOR AERATED FLUIDS
Publication number
20130220012
Publication date
Aug 29, 2013
Illinois Tool Works Inc.
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
TOUCH SCREEN WITH ACOUSTIC MODE REFLECTIVE AND CONVERSION ARRAYS
Publication number
20130147769
Publication date
Jun 13, 2013
STREET SMART SENSORS LLC
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC ARRAY SENSOR
Publication number
20130118253
Publication date
May 16, 2013
STREET SMART SENSORS LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
LIQUID LEVEL SENSOR WITH IMPROVED TEMPERATURE RANGE
Publication number
20130091946
Publication date
Apr 18, 2013
Illinois Tool Works, Inc.
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
ULTRASONIC LIQUID LEVEL DETECTOR
Publication number
20130047719
Publication date
Feb 28, 2013
STREET SMART SENSORS LLC
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
SYSTEM AND METHOD FOR SENSING LIQUID LEVELS
Publication number
20090312965
Publication date
Dec 17, 2009
TERENCE J. KNOWLES
G01 - MEASURING TESTING
Information
Patent Application
ACOUSTIC WAVE TOUCH DETECTION CIRCUIT AND METHOD
Publication number
20070261895
Publication date
Nov 15, 2007
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Acoustic wave touch bar system and method of use
Publication number
20060012583
Publication date
Jan 19, 2006
TexZec, Inc.
Terence J. Knowles
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Acoustic wave ice and water detector
Publication number
20050016278
Publication date
Jan 27, 2005
Terence J. Knowles
G01 - MEASURING TESTING
Information
Patent Application
Torsional acoustic wave sensor
Publication number
20050001515
Publication date
Jan 6, 2005
Terence J. Knowles
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Acoustic wave touch detection circuit and method
Publication number
20040246239
Publication date
Dec 9, 2004
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Individual acoustic wave switch
Publication number
20040227740
Publication date
Nov 18, 2004
Terence J. Knowles
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Acoustic wave sensor with emat drive
Publication number
20040051701
Publication date
Mar 18, 2004
Terence J. Knowles
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Acoustic wave touch actuated switch with feedback
Publication number
20020149570
Publication date
Oct 17, 2002
Terence J. Knowles
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Acoustic wave touch actuated switch
Publication number
20020126103
Publication date
Sep 12, 2002
Terence J. Knowles
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Acoustic wave touch actuated switch
Publication number
20020126104
Publication date
Sep 12, 2002
Terence J. Knowles
G06 - COMPUTING CALCULATING COUNTING