Inventor
Jorgen Christensen
Inventor
Bjerringbro, DK
Overview
Patents· 11 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 properties24%
C25CProcesses for the electrolytic production, recovery or refining of metals12%
F04DNon-positive-displacement pumps12%
F26BDrying solid materials or objects by removing liquid therefrom12%
E21BEarth or rock drilling6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
F23GCremation furnaces6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light6%
H02KDynamo-electric machines6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
PatentTitleYear
7,264,450'Pump unit and method for operating a pump unit'20076,725,704'Gas analyzer'20046,579,438'Molten salt electrolytic cell having metal reservoir'20036,337,008'Electrolysis cells'20025,370,065'Method of burning a particulate fuel and use of the method for burning sludge'19945,224,389'Method and apparatus for taking samples from a groundwater monitoring site'19935,197,204'Rotary dryer and associated drying plant'19934,930,996'Immersion pump assembly'19904,908,757'Static frequency converter, especially a frequency converter controlling and/or adjusting the performance data of an electromotor'19904,818,882'Photoacoustic gas analyzer'19894,808,921'Paramagnetic gas analyzer using DC and AC magnetic fields'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to BRUEEL & KJAER AS (2)· patent assignee history
1989Based in Birkerod, DK· patent location history
1990–1993Patents assigned to GRUNDFOS INT (3)· patent assignee history
1990–2007Based in Bjerringbro, DK· patent location history
1993–1994Patents assigned to ATLAS IND AS (2)· patent assignee history
1993–1994Based in Farum, DK· patent location history
2002–2003Patents assigned to ALCAN INT LTD (2)· patent assignee history
2002–2003Based in Kingston, CA· patent location history
2004Based in Snekkersten, DK· patent location history
2007Patents assigned to GRUNDFOS AS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRUNDFOS INT | 3 | 1990–1993 |
| ALCAN INT LTD | 2 | 2002–2003 |
| ATLAS IND AS | 2 | 1993–1994 |
| BRUEEL & KJAER AS | 2 | 1989 |
| GRUNDFOS AS | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bjerringbro, DK | 4 | 1990–2007 |
| Kingston, CA | 2 | 2002–2003 |
| Farum, DK | 2 | 1993–1994 |
| Birkerod, DK | 2 | 1989 |
| Snekkersten, DK | 1 | 2004 |