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PURITAN BENNETT CORP

Overview
  • Total Patents
    355
About

PURITAN BENNETT CORP has a total of 355 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets medical technology, measurement and machines are PHASE IN AB, S E A MEDICAL SYSTEMS INC and NDM TECH LTD.

Patent filings per year

Chart showing PURITAN BENNETT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hui Henry K 37
#2 Bankert Charles S 29
#3 Gruenke Roger A 27
#4 Trimble Russell L 24
#5 Snook James A 24
#6 Riccitelli Samuel D 19
#7 Loethen Steven W 18
#8 Wyble Marilyn S 16
#9 Merrick Edwin B 16
#10 Cannon James C 14

Latest patents

Publication Filing date Title
AU7142500A Method for diagnosing a patient having sleep apnea
US5813399A 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
AU6420096A Inhalation/exhalation respiratory phase detection circuit
US5845636A Method and apparatus for maintaining patient airway patency
WO9624402A1 Gas mixing apparatus for a ventilator
WO9624401A1 Piston based ventilator
US5605145A Microphone attenuation device for use in oxygen breathing masks
CA2575860A1 System for optimizing continuous positive airway pressure for treatment of obstructive sleep apnea
US5664566A Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
US5632270A Method and apparatus for control of lung ventilator exhalation circuit
US5531221A Double and single acting piston ventilators
US5596984A Lung ventilator safety circuit
US5524615A Ventilator airway fluid collection system
US5466134A Scroll compressor having idler cranks and strengthening and heat dissipating ribs
CA2118958A1 System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilator
US5407174A Proportional electropneumatic solenoid-controlled valve
US5404297A Aircraft reading light
CA2151120A1 Compliance meter for respiratory therapy
US5390666A System and method for flow triggering of breath supported ventilation
CA2103190A1 Ultrasonic gas measuring device incorporating efficiency display