Inventor
Charles R. Ratliff
Inventor
Richardson, TX, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks38%
G01RMeasuring electric variables15%
B01DSeparation8%
B41JTypewriters8%
F24FAir-conditioning8%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
H01JElectric discharge tubes or discharge lamps8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
PatentTitleYear
RE045321'Cellular communications system with sectorization'2015RE043964'Cellular communications system with sectorization'2013RE040564'Cellular communications system with sectorization'20085,852,651'Cellular communications system with sectorization'19985,627,879'Cellular communications system with centralized base stations and distributed antenna units'19974,926,618'Industrial dehumidifier'19904,847,792'Process and apparatus for detecting aberrations in production process operations'19894,390,885'Apparatus and method for fluid transfer'19834,219,771'Four-quadrant, multiprobe-edge sensor for semiconductor wafer probing'19804,195,259'Multiprobe test system and method of using same'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1989Patents assigned to TEXAS INSTRUMENTS INC (4)· patent assignee history
1980–1989Based in Richardson, TX, US· patent location history
1990Patents assigned to RATLIFF CHARLES (1)· patent assignee history
1997–2015Patents assigned to ADC TELECOMMUNICATIONS INC (5)· patent assignee history
1997–1998Based in Crystal Lake, IL, US· patent location history
2008Based in Madison, GA, US· patent location history
2013Patents assigned to BRENNAN JEFFREY O (1)· patent assignee history
2013Patents assigned to FISCHER LARRY G (1)· patent assignee history
2013Based in Guatemala, GT· patent location history
2015Based in Guatemala City, GU, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADC TELECOMMUNICATIONS INC | 5 | 1997–2015 |
| TEXAS INSTRUMENTS INC | 4 | 1980–1989 |
| BRENNAN JEFFREY O | 1 | 2013 |
| FISCHER LARRY G | 1 | 2013 |
| RATLIFF CHARLESself | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richardson, Texas, US | 4 | 1980–1989 |
| Crystal Lake, Illinois, US | 2 | 1997–1998 |
| Guatemala City, GU, US | 1 | 2015 |
| Guatemala, GT | 1 | 2013 |
| Madison, Georgia, US | 1 | 2008 |