Inventor · Hergiswil, CH

Erich Spirgi

2Patents
2h-index
7Co-inventors
30Inventor score

Filing activity: Nov 27, 2009 → Dec 2, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US9061864B2 Method for operating elevators to test brakes Performing Operations; Transporting 11 Active
US8668055B2 Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping position Performing Operations; Transporting 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.