Inventor

Erik Groendahl

Inventor
Them, DK

Overview

9→
Patents
2010–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
H02KDynamo-electric machines20%
F03DWind motors16%
H01FMagnets12%
Y10TTechnical subjects covered by former us classification12%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%
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 systems4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2018Patents assigned to SIEMENS AG (7)· patent assignee history
2010–2021Based in Them, DK· patent location history
2012–2017Patents assigned to GROENDAHL ERIK (6)· patent assignee history
2012Patents assigned to STIESDAL HENRIK (2)· patent assignee history
2013Patents assigned to BIRKEMOSE BO (1)· patent assignee history
2014Patents assigned to ANDERSEN KURT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG72010–2018
GROENDAHL ERIKself62012–2017
STIESDAL HENRIK22012
ANDERSEN KURT12014
BIRKEMOSE BO12013
Locations
LocationPatentsSpan
Them, DK92010–2021