Inventor
Jon B. Christensen
Inventor
Duncan, OK, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling70%
A61KPreparations for medical, dental or toiletry purposes10%
C07KPeptides10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
PatentTitleYear
10,495,642Inhibitors of proteins specific for the secretome of a chondrocyte for use in the treatment of breast cancer metastasis20194,883,123'Above packer perforate, test and sample tool and method of use'19894,878,538'Perforate, test and sample tool and method of use'19894,787,447'Well fluid modular sampling apparatus'19884,756,364'Packer bypass'19884,749,037'String bypass'19884,735,264'High pressure gauge carrier'19884,711,123'Bundle type downhole gauge carrier'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1989Patents assigned to HALLIBURTON CO (7)· patent assignee history
1987–1988Based in Duncan, OK, US· patent location history
1989Based in Ankeny, IA, US· patent location history
2019Patents assigned to UNIV FREIBURG ALBERT LUDWIGS (1)· patent assignee history
2019Based in Freiburg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON CO | 7 | 1987–1989 |
| UNIV FREIBURG ALBERT LUDWIGS | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duncan, OK, US | 5 | 1987–1988 |
| Ankeny, IA, US | 2 | 1989 |
| Freiburg, DE | 1 | 2019 |