Assignee
SPIRGI ERICH
CH·2 granted patents·25 citations·filing 2009–2011
Technology mixB66B2
Top patents by PatentIndex Score
2 records- 0185US9061864B2Method for operating elevators to test brakesSPIRGI ERICH·Filed 2011·Granted Jun 23, 2015·20 cites·10 claims
- 0253US8668055B2Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping positionSPIRGI ERICH·Filed 2009·Granted Mar 11, 2014·5 cites·17 claims
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