Inventor
WALLEN LARS
SE13 patents
⚠️ This page may combine multiple inventors who share the name “WALLEN LARS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS ELEMA AB
7 patentsUS6035851AMar 14, 2000
Method and device for monitoring the condition of a filter in a ventilator
SIEMENS ELEMA AB69 citations95
US6397846B1Jun 4, 2002
Moisture barrier and bacteria barrier for medical components
SIEMENS ELEMA AB65 citations94
US6634240B1Oct 21, 2003
Zero crossing detector and method of determining a zero crossing point
SIEMENS ELEMA AB25 citations92
US6450968B1Sep 17, 2002
Method for determining gas content in a breathing apparatus, and a breathing apparatus operating according to the method
SIEMENS ELEMA AB43 citations92
US6345538B1Feb 12, 2002
Dual chamber ultrasonic flow meter with membranes having equal pressure on opposite sides thereof
SIEMENS ELEMA AB25 citations92
US6098467AAug 8, 2000
Acoustic flow meter wherein false readings are identified dependent on upstream and downstream acoustic transit times
SIEMENS ELEMA AB14 citations73
US6058786AMay 9, 2000
Device for measuring a gas flow
SIEMENS ELEMA AB13 citations72