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Inventor

Armin Hülfenhaus

Inventor
Langenfeld, DE

Overview

8→
Patents
2010–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 8 as inventor

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

F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines29%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants25%
F04DNon-positive-displacement pumps18%
Y10TTechnical subjects covered by former us classification18%
B23PMetal-working not otherwise provided for7%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
PatentTitleYear
10,711,651Rotating device for a gas turbine and method for rotating a component20209,879,567'Securing device for securing a turbomachine rotor set up transversely to a horizontal plane against tipping over and orientation method therefor'20189,486,886'Device for pivoting a rotor of a turbomachine from a first position into a second position'20169,003,656'Securing device for securing a turbomachine rotor set up transversely to a horizontal plane against tipping over and orientation method therefor'20158,667,678'Assembly apparatus for assembling and dismantling a turbomachine rotor composed of rotor disks'20148,105,041'Arrangement for axially securing rotating blades in a rotor, sealing element for such an arrangement, and use of such an arrangement'20127,762,112'Fitting device for producing the arrangement for locking a sealing element, arranged at the front end on a rotor of a turbine, against a displacement in the circumferential direction, and method of producing such a locking arrangement'20107,752,847'Liquid injection in a gas turbine during a cooling down phase'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2020Patents assigned to SIEMENS AG (8)· patent assignee history
2010–2020Based in Langenfeld, DE· patent location history
2012–2014Patents assigned to HUELFENHAUS ARMIN (2)· patent assignee history
2012–2014Patents assigned to VOEGELIN CLAUS (2)· patent assignee history
2012Patents assigned to BRILLERT DIETER (1)· patent assignee history
2014–2015Patents assigned to FLOTER JOHANN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG82010–2020
FLOTER JOHANN22014–2015
HUELFENHAUS ARMIN22012–2014
VOEGELIN CLAUS22012–2014
BRILLERT DIETER12012
Locations
LocationPatentsSpan
Langenfeld, DE82010–2020