Inventor
David L. Davidson
Inventor
San Antonio, TX, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
H01HElectric switches17%
H05BElectric heating9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
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 grids9%
C01BNon-metallic elements4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C04BLime, magnesia4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
G01BMeasuring length, thickness or similar linear dimensions4%
PatentTitleYear
7,859,398'System and method for maintaining and controlling a plurality of wireless light fixtures'20106,813,960'Asymmetrical column assembly for high-cycle fatigue test machines'20046,768,402'Externally controllable circuit breaker'20046,601,456'Fretting fixture for high-cycle fatigue test machines'20036,388,858'Remotely controllable circuit breaker'20026,023,980'High-cycle fatigue test machine'20005,999,255'Method and apparatus for measuring Raman spectra and physical properties in-situ'19995,726,907'Biaxial non-contacting strain measurement using machine vision'19985,705,862'Configurable panelboard for a plurality of electrical switching apparatus'19985,494,867'Method for making fiber-reinforced silicon nitride composites'19964,958,295'Analyzing apparatus and method for analysis of liquid samples'19904,920,476'Electronic control for lighting panelboards'19904,918,566'Electronic control of solenoid operated circuit breakers'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to WESTINGHOUSE ELECTRIC CORP (2)· patent assignee history
1990Patents assigned to HERCULES INC (1)· patent assignee history
1990Based in New Alexandria, PA, US· patent location history
1996–2004Patents assigned to SOUTHWEST RES INST (5)· patent assignee history
1996–2004Based in San Antonio, TX, US· patent location history
1998–2010Patents assigned to EATON CORP (4)· patent assignee history
1998Based in Batavia, IL, US· patent location history
1999Patents assigned to SOLUTIA INC (1)· patent assignee history
1999Based in Pace, FL, US· patent location history
2002–2010Based in Camden, SC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SOUTHWEST RES INST | 5 | 1996–2004 |
| EATON CORP | 4 | 1998–2010 |
| WESTINGHOUSE ELECTRIC CORP | 2 | 1990 |
| HERCULES INC | 1 | 1990 |
| SOLUTIA INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Antonio, Texas, US | 5 | 1996–2004 |
| Camden, SC, US | 3 | 2002–2010 |
| New Alexandria, Pennsylvania, US | 2 | 1990 |
| Pace, Florida, US | 1 | 1999 |
| Batavia, Illinois, US | 1 | 1998 |