Inventor
Juergen J. Zach
Inventor
Menlo Park, CA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables38%
E21BEarth or rock drilling13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
G01VGeophysics13%
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 systems13%
H05BElectric heating13%
PatentTitleYear
10,830,915Method of determining subsurface properties using multifrequency electromagnetic depth sounding202010,333,419Input responsive AC-AC converter for heat tracing20199,733,201'Thermal age tracking system and method'20179,366,713'Arc fault detection system and method'20169,366,716'Sub-harmonic arc fault detection system and method'20168,773,278'Apparatus for receiving and transmitting signals in electromagnetic telemetry system used in a wellbore'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to CONTANT MATTHE (1)· patent assignee history
2014Patents assigned to LEMENAGER ERWANN (1)· patent assignee history
2014Based in Bad Schoenborn, DE· patent location history
2016–2017Patents assigned to PENTAIR THERMAL MAN LLC (3)· patent assignee history
2016–2017Based in Menlo Park, CA, US· patent location history
2017Patents assigned to BERES JIM (1)· patent assignee history
2019Based in Redwood City, CA, US· patent location history
2020Patents assigned to EM LOCATOR TECH LLC (1)· patent assignee history
2020Based in Lafayette, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PENTAIR THERMAL MAN LLC | 3 | 2016–2017 |
| BERES JIM | 1 | 2017 |
| CONTANT MATTHE | 1 | 2014 |
| EM LOCATOR TECH LLC | 1 | 2020 |
| LEMENAGER ERWANN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Menlo Park, California, US | 3 | 2016–2017 |
| Lafayette, IN, US | 1 | 2020 |
| Redwood City, California, US | 1 | 2019 |
| Bad Schoenborn, DE | 1 | 2014 |