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Inventor

Mark R. Mathews

Inventor
Lombard, IL, US

Overview

12→
Patents
1996–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F25Dprimary
F25DRefrigerators24%
H03KPulse technique12%
A47BTables9%
F25BRefrigeration machines, plants or systems9%
G09FDisplaying9%
G05BControl or regulating systems in general6%
G06FElectric digital data processing6%
G01DMeasuring not specially adapted for a specific variable3%
G01RMeasuring electric variables3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
PatentTitleYear
9,965,983Water immune keypad20189,306,561'Touch switches and practical applications therefor'20169,095,058'Electrode structure with spatial interpolation for capacitive touch panel'20158,758,026'System for connecting a first substrate to a second substrate'20148,227,940'Touch switches and practical applications therefor'20127,906,875'Touch switches and practical applications therefor'20117,644,590'Electronics architecture for a refrigerator quick chill and quick thaw system'20107,005,983'Methods and apparatus for detecting refrigerator door openings'20066,795,871'Appliance sensor and man machine interface bus'20046,782,706'Refrigeratorelectronics architecture'20046,762,577'DC motor speed control system'20045,546,331'AC line voltage measurement and control'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Based in Wheaton, IL, US· patent location history
2004–2010Patents assigned to GEN ELECTRIC (5)· patent assignee history
2004–2018Based in Lombard, IL, US· patent location history
2011–2016Patents assigned to TOUCHSENSOR TECH LLC (5)· patent assignee history
2012–2016Patents assigned to CALDWELL DAVID W (2)· patent assignee history
2012–2016Patents assigned to CAMPBELL ROBERT B (2)· patent assignee history
2012–2016Patents assigned to EAVENSON DANIEL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC52004–2010
TOUCHSENSOR TECH LLC52011–2016
CALDWELL DAVID W22012–2016
CAMPBELL ROBERT B22012–2016
EAVENSON DANIEL22012–2016
Locations
LocationPatentsSpan
Lombard, Illinois, US112004–2018
Wheaton, Illinois, US11996