Assignee
PURITAN BENNETT CORP
US115 patents
Top patents by PatentIndex Score
US5934274AAug 10, 1999
Gas mixing apparatus for a ventilator
PURITAN BENNETT CORP202 citations99
US5664560ASep 9, 1997
Gas mixing apparatus for a ventilator
PURITAN BENNETT CORP201 citations99
US5407174AApr 18, 1995
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP224 citations99
US5301921AApr 12, 1994
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP216 citations99
US5242315ASep 7, 1993
Electrical-optical hybrid connector plug
PURITAN BENNETT CORP198 citations99
US4989599AFeb 5, 1991
Dual lumen cannula
PURITAN BENNETT CORP500 citations99
US4954799ASep 4, 1990
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP253 citations99
US4883055ANov 28, 1989
Artificially induced blood pulse for use with a pulse oximeter
PURITAN BENNETT CORP312 citations99
US4752089AJun 21, 1988
Connector means providing fluid-tight but relatively rotatable joint
PURITAN BENNETT CORP183 citations99
US5915382AJun 29, 1999
Piston based ventillator
PURITAN BENNETT CORP167 citations98
US5845636ADec 8, 1998
Method and apparatus for maintaining patient airway patency
PURITAN BENNETT CORP251 citations98
US5813399ASep 29, 1998
System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilator using the exhalation valve as a microcomputer-controlled relief valve
PURITAN BENNETT CORP282 citations98
US5673689AOct 7, 1997
Piston based ventilator
PURITAN BENNETT CORP172 citations98
US5664566ASep 9, 1997
Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
PURITAN BENNETT CORP143 citations98
US5660171AAug 26, 1997
System and method for flow triggering of pressure supported ventilation by comparison of inhalation and exhalation flow rates
PURITAN BENNETT CORP396 citations98
US5549106AAug 27, 1996
Inspiratory airway pressure system using constant pressure and measuring flow signals to determine airway patency
PURITAN BENNETT CORP456 citations98
US5531221AJul 2, 1996
Double and single acting piston ventilators
PURITAN BENNETT CORP172 citations98
US5524615AJun 11, 1996
Ventilator airway fluid collection system
PURITAN BENNETT CORP187 citations98
US5443075AAug 22, 1995
Flow measuring apparatus
PURITAN BENNETT CORP271 citations98
US5438980AAug 8, 1995
Inhalation/exhalation respiratory phase detection circuit
PURITAN BENNETT CORP325 citations98
US5390666AFeb 21, 1995
System and method for flow triggering of breath supported ventilation
PURITAN BENNETT CORP365 citations98
US5360000ANov 1, 1994
Pneumatic demand oxygen valve
PURITAN BENNETT CORP112 citations98
US5319540AJun 7, 1994
System and method for controlling a periodically actuated ventilation flow system
PURITAN BENNETT CORP202 citations98
US5271389ADec 21, 1993
Ventilator control system that generates, measures, compares, and corrects flow rates
PURITAN BENNETT CORP207 citations98
US5161525ANov 10, 1992
System and method for flow triggering of pressure supported ventilation
PURITAN BENNETT CORP419 citations98
US5109452AApr 28, 1992
Electrical-optical hybrid connector
PURITAN BENNETT CORP174 citations98
US5057822AOct 15, 1991
Medical gas alarm system
PURITAN BENNETT CORP319 citations98
US4938212AJul 3, 1990
Inspiration oxygen saver
PURITAN BENNETT CORP373 citations98
US4706664ANov 17, 1987
Inspiration oxygen saver
PURITAN BENNETT CORP274 citations98
US5909731AJun 8, 1999
Lung ventilator safety circuit
PURITAN BENNETT CORP188 citations97
US5632270AMay 27, 1997
Method and apparatus for control of lung ventilator exhalation circuit
PURITAN BENNETT CORP276 citations97
US5596984AJan 28, 1997
Lung ventilator safety circuit
PURITAN BENNETT CORP240 citations97
US5517983AMay 21, 1996
Compliance meter for respiratory therapy
PURITAN BENNETT CORP358 citations97
US5259373ANov 9, 1993
Inspiratory airway pressure system controlled by the detection and analysis of patient airway sounds
PURITAN BENNETT CORP313 citations97
US5134995AAug 4, 1992
Inspiratory airway pressure system with admittance determining apparatus and method
PURITAN BENNETT CORP429 citations97
US4932402AJun 12, 1990
Inspiration oxygen saver
PURITAN BENNETT CORP127 citations97
US5369979ADec 6, 1994
Ultrasonic gas measuring device incorporating efficient display
PURITAN BENNETT CORP53 citations96
US5368019ANov 29, 1994
System and method for operating a respirator compressor system under low voltage conditions
PURITAN BENNETT CORP178 citations96
US5339807AAug 23, 1994
Exhalation valve stabilizing apparatus
PURITAN BENNETT CORP227 citations96
US5338516AAug 16, 1994
Chemical oxygen generator
PURITAN BENNETT CORP43 citations96
US5313820AMay 24, 1994
Ultrasonic gas measuring device
PURITAN BENNETT CORP54 citations96
US5277872AJan 11, 1994
Optical fiber pH microsensor and method of manufacture
PURITAN BENNETT CORP72 citations96
US5957132ASep 28, 1999
Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
PURITAN BENNETT CORP38 citations95
US5440337AAug 8, 1995
Multi-camera closed circuit television system for aircraft
PURITAN BENNETT CORP106 citations95
US4915106AApr 10, 1990
Crew oxygen mask with pneumatic comfort adjustment
PURITAN BENNETT CORP156 citations95
US4782832ANov 8, 1988
Nasal puff with adjustable sealing means
PURITAN BENNETT CORP1,452 citations95
US5466134ANov 14, 1995
Scroll compressor having idler cranks and strengthening and heat dissipating ribs
PURITAN BENNETT CORP80 citations94
US5413110AMay 9, 1995
Computer gated positive expiratory pressure method
PURITAN BENNETT CORP221 citations94
US5383449AJan 24, 1995
Ventilator control system for mixing and delivery of gas
PURITAN BENNETT CORP266 citations94
US5326531AJul 5, 1994
CO2 sensor using a hydrophilic polyurethane matrix and process for manufacturing
PURITAN BENNETT CORP53 citations94
Showing the top 50 of 115 patents by PatentIndex Score.