Inventor
Darrell L. Jones
Inventor
Ventura, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling24%
Y10TTechnical subjects covered by former us classification24%
B63BShips or other waterborne vessels18%
F16LPipes12%
F01LCyclically operating valves for machines or engines6%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
F16CShafts6%
F16DCouplings for transmitting rotation6%
PatentTitleYear
5,492,430'Telescopic tubes locking device'19964,810,010'Composite tubing connector assembly'19894,712,620'Upper marine riser package'19874,457,268'Valve position control device'19844,439,055'Anchor connector'19844,391,554'Mooring system bearing for a tensioned leg platform'19834,387,771'Wellhead system for exploratory wells'19834,343,495'Conductor tieback connector'19824,182,584'Marine production riser system and method of installing same'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to MOBIL CORP (1)· patent assignee history
1980–1984Based in Ventura, CA, US· patent location history
1982–1984Patents assigned to VETCO OFFSHORE IND INC (3)· patent assignee history
1983–1984Patents assigned to JONES DARRELL L (2)· patent assignee history
1984Based in Mayfield, KY, US· patent location history
1987–1989Patents assigned to VETCO GRAY INC (2)· patent assignee history
1987Based in Ojaj, CA, US· patent location history
1989–1996Based in Ojai, CA, US· patent location history
1996Patents assigned to HAMMOMS CARL A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VETCO OFFSHORE IND INC | 3 | 1982–1984 |
| JONES DARRELL Lself | 2 | 1983–1984 |
| VETCO GRAY INC | 2 | 1987–1989 |
| HAMMOMS CARL A | 1 | 1996 |
| MOBIL CORP | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ventura, California, US | 5 | 1980–1984 |
| Ojai, California, US | 2 | 1989–1996 |
| Ojaj, California, US | 1 | 1987 |
| Mayfield, KY, US | 1 | 1984 |