MSA Auer GmbH
27Patents
10Active
27Granted
40Portfolio score
Filing activity: Apr 6, 2001 → Oct 5, 2011 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6883519B2 | Strap for a full respirator mask | Human Necessities | 28 | Expired |
| US8505536B2 | Respiratory half-mask | Human Necessities | 19 | Active |
| US6776161B2 | Head harness for a respirator | Human Necessities | 18 | Expired |
| US6894610B2 | Monitoring and warning system for individuals working under hazardous operating conditions | Human Necessities | 18 | Expired |
| US7198186B2 | Support frame for a respiratory air container | Human Necessities | 15 | Expired |
| US6848120B2 | Supporting structure for a respiratory air container or other objects | Human Necessities | 13 | Expired |
| US6998080B2 | Method for manufacturing a filter body | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7866010B2 | Holding device for connecting a gas mask to a protective helmet | Emerging Cross-Sectional Technologies | 10 | Active |
| US8623189B2 | Electrochemical gas sensor with an ionic liquid electrolyte system including at least one monoalkylammonium, dialkylammonium, or trialkylammonium cation | Physics | 9 | Active |
| US7285782B2 | Infrared sensor with explosion-proof protection for gas metering appliances | Physics | 6 | Expired |
| US7293560B2 | Respirator mask with supplementary panels | Human Necessities | 5 | Expired |
| US6953318B2 | Volumetric control for blower filter devices | Human Necessities | 5 | Expired |
| US8632665B2 | Electrochemical sensor with diffusion labyrinth | Physics | 3 | Active |
| US7331553B2 | Bottle support of compressed-air bottles | Human Necessities | 3 | Expired |
| US7528506B2 | Circuit arrangement for startup current limitation for electronic modules connected to a module carrier | Electricity | 3 | Expired |
| US8517020B2 | Pressurized container valve, in particular compressed air bottle valve for a compressed air respirator | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8118025B2 | Blow filter device | Human Necessities | 2 | Active |
| US7322350B2 | Compressed air supply system for a compressed air respiratory device | Human Necessities | 2 | Expired |
| US7673630B2 | Respiratory protection mask for a compressed air breathing apparatus | Human Necessities | 1 | Expired |
| US6516653B2 | Gas sensor arrangement | Physics | 1 | Expired |
| US8805308B2 | Radio transmission modules having intrinsic safety | Electricity | 1 | Active |
| US7278628B2 | Device for the dosing of gaseous and/or vaporous matters | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8230854B2 | Oxygen-generating breathing apparatus | Human Necessities | 1 | Active |
| US8245712B2 | Respirator mask for a compressed air breathing apparatus | Human Necessities | 1 | Active |
| US6541894B1 | Piezoelectric acoustic alarm | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.