Inventor
Fred A. Brooks
Inventor
Houston, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
E02BHydraulic engineering10%
E02DFoundations10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
H04BTransmission10%
H04MTelephonic communication10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,437,329'Method and apparatus for activation of furnace slag base cement'19954,120,166'Cement monitoring method'19784,038,093'Cement composition for high temperature wells and methods for producing the same'19773,946,170'Self regulating telephone sets'19763,941,948'Four-wire interface regulator for long distance trunk circuits'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to BROOKS FRED A (2)· patent assignee history
1976Based in Maplewood, NJ, US· patent location history
1977–1978Patents assigned to EXXON PRODUCTION RESEARCH CO (2)· patent assignee history
1977–1995Based in Houston, TX, US· patent location history
1995Patents assigned to BAKER HUGHES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BROOKS FRED Aself | 2 | 1976 |
| EXXON PRODUCTION RESEARCH CO | 2 | 1977–1978 |
| BAKER HUGHES INC | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 3 | 1977–1995 |
| Maplewood, New Jersey, US | 2 | 1976 |