For the Inventor, By the Inventor

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Riverside, CA, United States of America

Bear Medical Systems, Inc.

USPTO Granted Patents = 20

Forward Citations = 1,871

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23 inventors (with patents filed for the assignee):

Raymond A Ellestad (3 out of 4 patents)

Samir M Chaoui (3 out of 3 patents)

Douglas F DeVries (2 out of 36 patents)

4. Alberto Ruiz-Vela (2 out of 12 patents)

5. Finn Sveen (2 out of 4 patents)

6. Arieh S Halpern (2 out of 2 patents)

7. Charles W Cutler (2 out of 2 patents)

8. Stanley E Fry (2 out of 11 patents)

9. Claude C Hurd (2 out of 4 patents)

10. Harold U Bartels (2 out of 6 patents)

11. James W Casparie (1 out of 1 patent)

12. Ioan T Oltean (1 out of 1 patent)

13. Thomas P Westfall (1 out of 1 patent)

14. Anthony J Caterina (1 out of 1 patent)

15. Clyde R Visser (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 5970801 - Variable orifice flow sensor (1999-10-26),

2. 5540220 - Pressure-limited, time-cycled pulmonary ventilation with volume-cycle (1996-07-30),

3. 5460039 - Flow sensor system (1995-10-24),

4. 5331995 - Flow control system for medical ventilator (1994-07-26),

5. 5263369 - Flow sensor system and method (1993-11-23),

6. 5107831 - Ventilator control system using sensed inspiratory flow rate (1992-04-28),

7. 5069220 - Measurement of gas concentration in exhaled breath (1991-12-03),

8. 4702240 - Demand-responsive gas blending system for medical ventilator (1987-10-27),

9. 4621632 - Humidifier system (1986-11-11),

10. 4602653 - Electronically-controlled gas blending system (1986-07-29),

11. 4527557 - Medical ventilator system (1985-07-09),

12. 4494252 - Laryngeal prosthesis (1985-01-22),

13. 4489440 - Pressure-compensated pneumatic speech simulator (1984-12-18),

14. 4476707 - Gas flow measurement with detented chopper valve (1984-10-16),

15. 4459982 - Servo-controlled demand regulator for respiratory ventilator (1984-07-17),

Bear Medical Systems, Inc. is a leading provider of medical equipment and supplies, specializing in respiratory and sleep therapy solutions. With a focus on improving the quality of patient care, Bear Medical Systems offers a wide range of products for hospitals, clinics, and home healthcare providers. Their team of experienced professionals is dedicated to providing top-quality products and personalized customer service.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

20 Patents

#6 in Riverside, CA

#3,798 in California

#15,846 in US

#30,297 in the World

Riverside, CA, United States of America

Bear Medical Systems, Inc.

Forward Citations = 1,871

23 inventors:

Raymond A Ellestad (3 out of 4 patents)

Samir M Chaoui (3 out of 3 patents)

Douglas F DeVries (2 out of 36 patents)

4. Alberto Ruiz-Vela (2 out of 12 patents)

5. Finn Sveen (2 out of 4 patents)

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