LexDanaLexDanabeta
Inventor

Ralf Sperlich

Inventor
Witten, DE

Overview

2→
Patents
2020–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F16Hprimary
F16HGearing29%
F03DWind motors14%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g14%
F16CShafts14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
PatentTitleYear
10,969,002Retainer plates for fixing planet carrier and ring gear202110,746,285Planetary carrier for a gearset stage of a planetary gearset, and pretensioning method2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020–2021Patents assigned to ZAHNRADFABRIK FRIEDRICHSHAFEN (2)· patent assignee history
2020–2021Based in Witten, DE· patent location history
2021Patents assigned to ZF WIND POWER ANTWERPEN NV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZAHNRADFABRIK FRIEDRICHSHAFEN22020–2021
ZF WIND POWER ANTWERPEN NV12021
Locations
LocationPatentsSpan
Witten, DE22020–2021