Inventor
Terry L. Mayhugh
Inventor
Round Rock, TX, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables20%
E21BEarth or rock drilling13%
H02JElectric power networks13%
H04LTransmission of digital information, e.g. telegraphic communication13%
G01BMeasuring length, thickness or similar linear dimensions7%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock7%
G05FSystems for regulating electric or magnetic variables7%
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 systems7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
PatentTitleYear
10,884,069Control area network (CAN) bus fault detection202110,802,517Multi-mode voltage regulator20208,928,265'Sensorless field-oriented control (FOC) without current sampling for motors'20157,787,525'Method and apparatus for transmission of well-bore data on multiple carrier frequencies'20107,272,523'Trimming for accurate reference voltage'20077,009,312'Versatile modular programmable power system for wireline logging'20065,736,936'Method and apparatus for predicting peak voltage of a cable conveyed tool'19985,546,672'Magnetic mark detection'19965,483,232'Method and apparatus for predicting peak voltage of a cable conveyed tool'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2010Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
1996–2010Based in Round Rock, TX, US· patent location history
2007–2021Patents assigned to TEXAS INSTRUMENTS INC (4)· patent assignee history
2007–2021Based in Richardson, TX, US· patent location history
2015Patents assigned to MAYHUGH JR TERRY L (1)· patent assignee history
2015Patents assigned to QIN LING (1)· patent assignee history
2015Patents assigned to RAMANATHAN SWAMINATHAN KUMAR (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 1996–2010 |
| TEXAS INSTRUMENTS INC | 4 | 2007–2021 |
| MAYHUGH JR TERRY Lself | 1 | 2015 |
| QIN LING | 1 | 2015 |
| RAMANATHAN SWAMINATHAN KUMAR | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Round Rock, Texas, US | 5 | 1996–2010 |
| Richardson, Texas, US | 4 | 2007–2021 |