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Inventor

Mark R. Hoffmann

Inventor
Chapel Hill, NC, US

Overview

4→
Patents
1996–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing18%
G09GArrangements or circuits for control of indicating devices using static means to present variable information18%
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 systems18%
F02BInternal-combustion piston engines9%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants9%
F16FSprings9%
G05FSystems for regulating electric or magnetic variables9%
Y02TClimate change mitigation technologies related to transportation9%
PatentTitleYear
11,047,296Valve device for a turbocharger20216,181,331'Man-machine interface'20015,844,550'Man-machine interface'19985,500,806'Data logging in a voltage regulator controller'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to SIEMENS ENERGY & AUTOMAT (1)· patent assignee history
1996–2001Based in Chapel Hill, NC, US· patent location history
1998–2001Patents assigned to SIEMENS POWER TRANSM & DISTRIB (2)· patent assignee history
2021Patents assigned to ELRINGKLINGER AG (1)· patent assignee history
2021Based in Eurasburg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS POWER TRANSM & DISTRIB21998–2001
ELRINGKLINGER AG12021
SIEMENS ENERGY & AUTOMAT11996
Locations
LocationPatentsSpan
Chapel Hill, NC, US31996–2001
Eurasburg, DE12021