Assignee
BIRMANNS THOMAS
DE·2 granted patents·1 pending application·8 citations·filing 2011–2021
Top patents by PatentIndex Score
3 records- 0166US8641070B2Drive assistance device, wheelchair and method for determination of the physical efficiency and muscular effort data of a wheelchair driverBIRMANNS THOMAS·Filed 2011·Granted Feb 4, 2014·8 cites·22 claims
- 0244US12553481B2Brake deviceBIRMANNS THOMAS·Filed 2021·Granted Feb 17, 2026·0 cites·20 claims
- 0334US2012067662A1Drive assistance device, wheelchair and method for determination of the manual driving force of a wheelchair driverBIRMANNS THOMAS·Filed 2011·Application pending·0 cites
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