Inventor · disambiguated record
Manfred Gdulla
Also filed as: GDULLA MANFRED
9 granted patents·340 citations·filing 1977–2006
90Inventor score
Top patents by PatentIndex Score
9 records- 0196US4111197ARespiratory device coupling constructionDRAEGERWERK AG·Filed 1977·Granted Sep 5, 1978·117 cites·3 claims
- 0289US4136403AHead guard assembly comprising a protective helmet and a protective breathing maskDRAEGERWERK AG·Filed 1977·Granted Jan 30, 1979·71 cites·6 claims
- 0386US4276877ARespiratory method and apparatusDRAEGERWERK AG·Filed 1979·Granted Jul 7, 1981·62 cites·6 claims
- 0477US5411021ABreathing mask with speaking deviceDRAEGERWERK AG·Filed 1993·Granted May 2, 1995·62 cites·18 claims
- 0571US7575004B2Gas mask for normal pressure operation and overpressure operationDRAEGER SAFETY AG & CO KGAA·Filed 2005·Granted Aug 18, 2009·7 cites·10 claims
- 0670US7770581B2Breathing maskDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted Aug 10, 2010·5 cites·18 claims
- 0750US7770240B2Safety helmet with a breathing maskDRAEGER SAFETY AG & CO KGAA·Filed 2006·Granted Aug 10, 2010·0 cites·13 claims
- 0835US6305370B1Voice transmitter for a breathing protective maskDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Oct 23, 2001·11 cites·9 claims
- 0929US5454369ABreathing mask with fixed mask bodyDRAEGERWERK AG·Filed 1993·Granted Oct 3, 1995·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →