Inventor
Prabhakar P. Rao
Inventor
Cincinnati, OH, US
Overview
Patents· 9 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 properties47%
Y10TTechnical subjects covered by former us classification33%
G05DSystems for controlling or regulating non-electric variables13%
G05BControl or regulating systems in general7%
PatentTitleYear
6,143,573'Modular vial autosampler'20006,056,921'Vial transporter having an elevator'20005,998,217'Method of introducing standards into a vial'19995,993,744'Apparatus for introducing standards into a vial'19995,948,360'Autosampler with robot arm'19994,575,313'Digital pressure controller'19864,567,765'High pressure-high temperature autoclave system for testing fluid samples ultrasonically'19864,409,662'Programmable digital temperature controller'19834,259,868'Method and apparatus for nondestructive testing of cement'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to HALLIBURTON CO (4)· patent assignee history
1981–1986Based in Duncan, OK, US· patent location history
1999–2000Patents assigned to TEKMAR CO (5)· patent assignee history
1999–2000Based in Cincinnati, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEKMAR CO | 5 | 1999–2000 |
| HALLIBURTON CO | 4 | 1981–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 5 | 1999–2000 |
| Duncan, OK, US | 4 | 1981–1986 |