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Inventor

Wojciech Szelag

Inventor
Poznan, PL

Overview

10→
Patents
2014–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

B66Bprimary
B66BElevators33%
H02KDynamo-electric machines24%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters14%
B66DCapstans10%
F16DCouplings for transmitting rotation10%
H02JElectric power networks10%
PatentTitleYear
10,958,123Electromagnetic machine202110,910,903Dual rotor, coreless, electromagnetic machine202110,865,071Configurable multicar elevator system202010,752,466Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone202010,196,240Wireless power supply for self-propelled elevator201910,189,679Elevator car power supply20199,950,902Stator structure for self-propelled elevator20189,932,204Drive unit for multiphase permanent magnet synchronous motor20189,376,295'Elevator brake device including permanent magnet bias to apply a braking force'20168,631,917'Elevator brake with magneto-rheological fluid'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2020Patents assigned to OTIS ELEVATOR CO (8)· patent assignee history
2014–2016Patents assigned to PIECH ZBIGNIEW (2)· patent assignee history
2014–2016Patents assigned to SZELAG WOJCIECH (2)· patent assignee history
2014–2021Based in Poznan, PL· patent location history
2021Patents assigned to CARRIER CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OTIS ELEVATOR CO82014–2020
CARRIER CORP22021
PIECH ZBIGNIEW22014–2016
SZELAG WOJCIECHself22014–2016
Locations
LocationPatentsSpan
Poznan, PL102014–2021