Inventor
David E. Houggy
Inventor
Allentown, PA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating21%
H04BTransmission16%
G08CTransmission systems for measured values, control or similar signals11%
H02JElectric power networks11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids11%
G05BControl or regulating systems in general5%
G06KGraphical data reading5%
H01QAntennas, i.e. radio aerials5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
PatentTitleYear
6,687,487'Repeater for transmission system for controlling and determining the status of electrical devices from remote locations'20045,905,442'Method and apparatus for controlling and determining the status of electrical devices from remote locations'19995,848,054'Repeater for transmission system for controlling and determining the status of electrical devices from remote locations'19985,838,226'Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations'19985,399,940'Lighting indicating device having plural illuminating elements with all such elements being illuminated with one being greater than the others'19955,315,097'Method and apparatus for operating a triggerless hand-held optical scanner'19945,248,919'Lighting control device'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2004Patents assigned to LUTRON ELECTRONICS CO (6)· patent assignee history
1993–1999Based in Allentown, PA, US· patent location history
1994Patents assigned to NCR CO (1)· patent assignee history
2004Based in Chicago, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUTRON ELECTRONICS CO | 6 | 1993–2004 |
| NCR CO | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allentown, Pennsylvania, US | 6 | 1993–1999 |
| Chicago, Illinois, US | 1 | 2004 |