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[미국특허] Flow meter 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01F-001/22
출원번호 US-0614329 (1975-09-17)
발명자 / 주소
  • Billette Richard J. (Dublin CA) Zias Arthur R. (Los Altos CA)
출원인 / 주소
  • National Semiconductor Corporation (Santa Clara CA 02)
인용정보 피인용 횟수 : 67  인용 특허 : 0

초록 ▼

A flow meter includes a variable area obstruction mounted in a conduit and a differential pressure transducer having its two ports mounted on opposite sides of the obstruction in fluid communication with the fluid flowing through the conduit. The variable area obstruction is formed of one or more fl

대표청구항 ▼

A flow meter comprising: a. transducer means for sensing a pressure differential between a first port thereof and a second port thereof, b. a conduit with said first port of said transducer means connected at a first location in said conduit and in fluid communication with fluid flowing therethrough

이 특허를 인용한 특허 (67) 인용/피인용 타임라인 분석

  1. Michael Berthon-Jones AU; Steven Paul Farrugia AU, Administration of CPAP treatment pressure in presence of APNEA.
    상세보기
  2. Berthon-Jones, Michael; Farrugia, Steven Paul, Administration of CPAP treatment pressure in presence of apnea.
    상세보기
  3. Berthon-Jones, Michael; Farrugia, Steven Paul, Administration of CPAP treatment pressure in presence of apnea.
    상세보기
  4. Nugent,Dale Alan; Kielb,John Allan; Litecky,Mark Daniel, Apparatus for controlling and metering fluid flow.
    상세보기
  5. Barton John Kenyon GB; Dion Charles Chewe Martin AU, Apparatus for supplying breathable gas.
    상세보기
  6. Kenyon Barton John,AUX, Apparatus for varying the flow area of a conduit.
    상세보기
  7. Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
    상세보기
  8. Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
    상세보기
  9. Surjadi Hary Soesanto,AUX ; Finn Shane Darren,AUX ; Colla Gregory Alan,AUX, Auto-calibration of pressure transducer offset.
    상세보기
  10. Pennino, Lorenzo, Carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant.
    상세보기
  11. Calluaud Michel,AUX, Control of delivery pressure in CPAP treatment or assisted respiration.
    상세보기
  12. Berthon-Jones Michael,AUX, Determination of leak and respiratory airflow.
    상세보기
  13. Berthon-Jones Michael,AUX, Determination of leak and respiratory airflow.
    상세보기
  14. Berthon-Jones Michael,AUX, Determination of patency of airway.
    상세보기
  15. Berthon Jones,Michael, Determination of patency of the airway.
    상세보기
  16. Berthon-Jones, Michael, Determination of patency of the airway.
    상세보기
  17. Berthon-Jones Michael,AUX, Determination of the occurrence of an apnea.
    상세보기
  18. Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
    상세보기
  19. Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
    상세보기
  20. Berthon-Jones, Michael, Distinguishing between closed and open airway apneas and treating patients accordingly.
    상세보기
  21. Wiedmann, Isaac M.; Goldschmidt, Troy A., Electronic fluid dispensing apparatus and related method.
    상세보기
  22. Belke,Brad; MacArthur,Thomas; Hurford,Jack, Electronic gas flow measurement and recording device.
    상세보기
  23. Jonte,Patrick, Flow compensated control valve.
    상세보기
  24. Farrugia Steven Paul,AUX ; Finn Shane Darren,AUX, Flow estimation and compensation of flow-induced pressure swings in CPAP treatment and assisted respiration.
    상세보기
  25. Boulanger, Michael P.; Grewell, Bruce K., Flow meter.
    상세보기
  26. Boulanger, Michael P.; Grewell, Bruce K., Flow meter.
    상세보기
  27. Boulanger, Michael P.; Grewell, Bruce K., Flow meter.
    상세보기
  28. Cewers, Göran, Flow restrictor and method for reducing resistance of a flow.
    상세보기
  29. Cewers, Göran, Flow restrictor and method for reducing resistance of a flow.
    상세보기
  30. Silverwater Bernard (Plainview NY), Flow sensing device.
    상세보기
  31. Silverwater Bernard F. (Plainview NY), Flow sensing device.
    상세보기
  32. Goran Cewers SE; Thomas Laurell SE; Johan Drott SE, Fluid flow meter.
    상세보기
  33. Stupecky Josef (Irvine CA), Gas flow meter housing.
    상세보기
  34. Brydon John William Ernest,AUX ; Willson Grant,AUX, Inspiratory duration in CPAP or assisted respiration treatment.
    상세보기
  35. Berthon Jones,Michael, Method and apparatus for determining instantaneous inspired volume of a subject during ventilatory assistance.
    상세보기
  36. Berthon-Jones, Michael, Method and apparatus for determining instantaneous leak during ventilatory assistance.
    상세보기
  37. Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
    상세보기
  38. Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
    상세보기
  39. Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
    상세보기
  40. Sullivan, Colin Edward; Lynch, Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
    상세보기
  41. Sullivan,Colin Edward; Lynch,Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
    상세보기
  42. Sullivan,Colin Edward; Lynch,Christopher, Method and apparatus useful in the diagnosis of obstructive sleep apnea of a patient.
    상세보기
  43. Djebali, Karim, Method for monitoring the change in state of a valve by measuring pressure.
    상세보기
  44. MacDonald John J. ; Richard Ronald F., Method for providing respiratory airway support pressure.
    상세보기
  45. Mrazek Franklin C. (Hickory Hills IL) Smaga John A. (Lemont IL) Battles James E. (Oak Forest IL), Method for uniformly distributing carbon flakes in a positive electrode, the electrode made thereby and compositions.
    상세보기
  46. Berthon-Jones, Michael, Methods and apparatus for determining instantaneous elastic recoil and assistance pressure during ventilatory support.
    상세보기
  47. Brydon John William Ernest,AUX ; Piccione Patrick Michael, Monitoring of oro-nasal respiration.
    상세보기
  48. Colla Gregory Alan,AUX ; Brydon John William Ernest,AUX, Monitoring the occurrence of apneic and hypopneic arousals.
    상세보기
  49. Gregory Alan Colla AU; John William Ernest Brydon AU, Monitoring the occurrence of apneic and hypopneic arousals.
    상세보기
  50. Rosenbaum, Amir; Chen, Pilun Alan, Pipe adapter for adjusting the flow past a sensor.
    상세보기
  51. DeVries Douglas F. ; Cegielski Michael J. ; Graves ; Jr. Warner V. ; Williams Malcolm R. ; Holmes Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  52. DeVries Douglas F. ; Cegielski Michael J. ; Graves ; Jr. Warner V. ; Williams Malcolm R. ; Holmes Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  53. DeVries, Douglas F.; Cegielski, Michael J.; Graves, Jr., Warner V.; Williams, Malcolm R.; Holmes, Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  54. DeVries, Douglas F.; Cegielski, Michael J.; Graves, Jr., Warner V.; Williams, Malcolm R.; Holmes, Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  55. DeVries, Douglas F.; Cegielski, Michael J.; Graves, Jr., Warner V.; Williams, Malcolm R.; Holmes, Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  56. DeVries,Douglas F.; Cegielski,Michael J.; Graves, Jr.,Warner V.; Williams,Malcolm R.; Holmes,Michael B., Portable drag compressor powered mechanical ventilator.
    상세보기
  57. Brydon John William Ernest,AUX ; Wickham Peter John Deacon,AUX ; Bachak Miroslav,AUX ; Hollis Shane Douglas,AUX, Pressure control in CPAP treatment or assisted respiration.
    상세보기
  58. Brydon, John William Ernest; Wickham, Peter John Deacon; Bachak, Miroslav; Hollis, Shane Douglas, Pressure control in CPAP treatment or assisted respiration.
    상세보기
  59. Fiorenza Anthony Joseph ; MacDonald John Judson, Respiratory ventilator with automatic flow calibration.
    상세보기
  60. Calluaud Michel,AUX ; Yerbury Victor,AUX, Substance delivery apparatus.
    상세보기
  61. Abramson, Michael T., System and method for alleviating sleep apnea.
    상세보기
  62. Abramson, Michael T., System and method for alleviating sleep apnea.
    상세보기
  63. Berkcan, Ertugrul; Klitzke, Michael; Chen, Nannan; Chen, Cheng-Po; Lin, Yizhen, Systems and methods for hybrid flow sensing.
    상세보기
  64. Veilleux, Jr., Leo, Turbine starter valve.
    상세보기
  65. Stupecky Josef (Irvine CA), Variable area obstruction gas flow meter.
    상세보기
  66. Stupecky Josef (Irvine CA), Variable area obstruction gas flow meter.
    상세보기
  67. Osborn ; John J., Variable orifice gas flow sensing head.
    상세보기

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