Inventor · disambiguated record
Wolfgang Drews
Also filed as: DREWS WOLFGANG
15 granted patents·461 citations·filing 1982–2002
93Inventor score
Top patents by PatentIndex Score
15 records- 0190US5038772AClosed-cycle breathing equipmentDRAEGERWERK AKTIENGESSELLSCHAF·Filed 1989·Granted Aug 13, 1991·185 cites·11 claims
- 0279US5669375ABreathing maskDRAEGERWERK AG·Filed 1996·Granted Sep 23, 1997·79 cites·11 claims
- 0373US4766893AEmergency oxygen supply unit with a respiratorDRAEGERWERK AG·Filed 1987·Granted Aug 30, 1988·43 cites·4 claims
- 0467US4465067AOxygen insufflation deviceDRAEGERWERK AG·Filed 1982·Granted Aug 14, 1984·86 cites·8 claims
- 0553US4821711AProtective breathing deviceDRAEGERWERK AG·Filed 1988·Granted Apr 18, 1989·21 cites·6 claims
- 0648USD289207SCase for a breathing mask or breathing apparatus unitDRAEGERWERK AG·Filed 1984·Granted Apr 7, 1987·4 cites·1 claims
- 0745US7251257B2Method and system for transmitting quality criteria of a synchronous network hierarchySIEMENS AG·Filed 2002·Granted Jul 31, 2007·0 cites·9 claims
- 0842US6744983B2Optical switching matrixSIEMENS AG·Filed 2001·Granted Jun 1, 2004·0 cites·12 claims
- 0939US5291881AAir cleaning cartridge for a gas mask and breathing equipment with an insertDRAEGERWERK AG·Filed 1992·Granted Mar 8, 1994·14 cites·14 claims
- 1037US5042471ARespirator with several regeneration cartridges and breather bagsDRAEGERWERK AG·Filed 1989·Granted Aug 27, 1991·10 cites·8 claims
- 1135USD347064SHousing for an oxygen respiratorDRAEGERWERK AG·Filed 1991·Granted May 17, 1994·2 cites·1 claims
- 1232US4665910ARespirator having a respiratory regenerator with an area cooling portionDRAEGERWERK AG·Filed 1985·Granted May 19, 1987·8 cites·3 claims
- 1329USD352008SHousing for an adjustable timerDRAEGERWERK AG·Filed 1991·Granted Nov 1, 1994·0 cites·1 claims
- 1428US5765549ARespiratorDRAEGERWERK AG DR·Filed 1997·Granted Jun 16, 1998·6 cites·8 claims
- 1526US5450844ALocking device for the container of a gas mask and breathing equipmentDRAEGERWERK AG·Filed 1993·Granted Sep 19, 1995·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →