Respironics, Inc.
🏢 View company profile →168Patents
13Active
168Granted
46Portfolio score
Filing activity: Jan 26, 1989 → Jun 28, 2011 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5724965A | Nasal mask | Human Necessities | 684 | Expired |
| US5662101A | Respiratory facial mask | Emerging Cross-Sectional Technologies | 564 | Expired |
| US5148802A | Method and apparatus for maintaining airway patency to treat sleep apnea and other disorders | Human Necessities | 553 | Expired |
| US6467483B1 | Respiratory mask | Emerging Cross-Sectional Technologies | 534 | Expired |
| US5647357A | Respiratory mask facial seal | Human Necessities | 435 | Expired |
| US6851425B2 | Exhaust port assembly for a pressure support system | Human Necessities | 419 | Expired |
| US5441046A | Quick release mechanism for nasal and/or oral gas delivery mask | Human Necessities | 402 | Expired |
| US5517986A | Two-point/four-point adjustable headgear for gas delivery mask | Emerging Cross-Sectional Technologies | 396 | Expired |
| US5570689A | Respiratory mask having a vertically adjustable spacer element that limits seal deformation on a wearer's face | Human Necessities | 369 | Expired |
| US5884624A | Respiratory mask facial seal | Human Necessities | 359 | Expired |
| US5540223A | Respiratory mask facial seal | Human Necessities | 355 | Expired |
| US6412488B1 | Low contact nasal mask and system using same | Human Necessities | 355 | Expired |
| US6895965B2 | Customizable seal, mask with customizable seal and method of using such a seal | Human Necessities | 328 | Expired |
| US6212435A | Intraoral electromuscular stimulation device and method | Human Necessities | 326 | Expired |
| US5794615A | Method and apparatus for providing proportional positive airway pressure to treat congestive heart failure | Human Necessities | 325 | Expired |
| US5535738A | Method and apparatus for providing proportional positive airway pressure to treat sleep disordered breathing | Human Necessities | 322 | Expired |
| US5937851A | Swivel device utilizing bearing clearance to allow carbon dioxide laden exhaust | Human Necessities | 317 | Expired |
| US5685296A | Flow regulating valve and method | Physics | 295 | Expired |
| US5647355A | Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting | Human Necessities | 282 | Expired |
| US5492116A | Respiratory mask with floating seal responsive to pressurized gas | Human Necessities | 277 | Expired |
| US5438981A | Automatic safety valve and diffuser for nasal and/or oral gas delivery mask | Human Necessities | 275 | Expired |
| US6105575A | Method and apparatus for providing positive airway pressure to a patient | Human Necessities | 274 | Expired |
| US5239995A | Sleep apnea treatment apparatus | Human Necessities | 273 | Expired |
| US5592938A | Mask apparatus | Human Necessities | 272 | Expired |
| US5632269A | Breathing gas delivery method and apparatus | Human Necessities | 265 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.