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USPTO Patent Rankings Data through Dec 31, 2025
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Erich Spirgi — 2 Patents

IAInventio Ag: 2 patents #274 of 953Top 30%
Hergiswil, CH: #9 of 31 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Erich Spirgi has been granted 2 US patents while listed as an inventor at Inventio Ag. The first was granted in 2014 and the most recent in June 2015. Erich Spirgi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Erich Spirgi in Hergiswil, CH.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9061864 Method for operating elevators to test brakes Daniel Bossard, Danilo Peric, Enrique Almada, Urs Ammon, Urs Polin +2 more 2015-06-23
8668055 Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping position 2014-03-11