Inventor · disambiguated record
Dirk Feil
Also filed as: FEIL DIRK
7 granted patents·18 citations·filing 2006–2013
77Inventor score
Top patents by PatentIndex Score
7 records- 0170US8640693B2Gas mask with a drinking deviceLOEW LOTHAR·Filed 2011·Granted Feb 4, 2014·6 cites·11 claims
- 0270US8230860B2Filter for a breathing deviceDANKERT SANDRA·Filed 2008·Granted Jul 31, 2012·10 cites·18 claims
- 0358US8631794B2Gas maskBUSCH ALEXANDER·Filed 2011·Granted Jan 21, 2014·1 cites·20 claims
- 0454US7533914B2Carrying system for a respirator productDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted May 19, 2009·1 cites·17 claims
- 0550US7770240B2Safety helmet with a breathing maskDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted Aug 10, 2010·0 cites·13 claims
- 0639US10173084B2Gas maskFEIL DIRK·Filed 2012·Granted Jan 8, 2019·0 cites·22 claims
- 0735US10369322B2RespiratorDRAEGER SAFETY AG & CO KGAA·Filed 2013·Granted Aug 6, 2019·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →