Inventor
John L. Stevens
Inventor
Dunbarton, NH, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling18%
H01JElectric discharge tubes or discharge lamps18%
A01KAnimal husbandry9%
A61BDiagnosis9%
A61FFilters implantable into blood vessels9%
A61MDevices for introducing media into, or onto, the body9%
B05BSpraying apparatus9%
B63CLaunching, hauling-out, or dry-docking of vessels9%
E02FDredging9%
PatentTitleYear
9,708,909'Accoustic triggering devices for multiple fluid samplers and methods of making and using same'20179,140,116'Acoustic triggering devices for multiple fluid samplers'20156,283,127'Devices and methods for intracardiac procedures'20015,499,937'Cathode for high intensity discharge lamp'19965,451,837'Cathode for high intensity discharge lamp'19955,193,530'Underwater breathing apparatus'19935,184,573'Animal collar'1993D0287711'Sports car grille'19874,492,337'Metal spray'19854,099,578'Hinged bulldozer blade'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1987Patents assigned to STEVENS JOHN L (2)· patent assignee history
1985–1996Based in Dunbarton, NH, US· patent location history
1993Based in Sacramento, CA, US· patent location history
2001Based in Palo Alto, CA, US· patent location history
2015–2017Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (2)· patent assignee history
2015Patents assigned to ALTEIRAC LAURENT (1)· patent assignee history
2015Patents assigned to ATKINSON MALCOLM (1)· patent assignee history
2015Patents assigned to FILAS JIM (1)· patent assignee history
2015Based in Aberdeen, GB· patent location history
2017Based in Midland, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 2 | 2015–2017 |
| STEVENS JOHN Lself | 2 | 1978–1987 |
| ALTEIRAC LAURENT | 1 | 2015 |
| ATKINSON MALCOLM | 1 | 2015 |
| FILAS JIM | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dunbarton, NH, US | 3 | 1985–1996 |
| Midland, Texas, US | 1 | 2017 |
| Aberdeen, GB | 1 | 2015 |
| Palo Alto, California, US | 1 | 2001 |
| Sacramento, California, US | 1 | 1993 |