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Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61M-016/00
출원번호 US-0818797 (1997-03-14)
발명자 / 주소
  • Hoague Michael Paul
출원인 / 주소
  • 3M Innovative Properties Company
대리인 / 주소
    Hernandez
인용정보 피인용 횟수 : 76  인용 특허 : 31

초록

The present invention provides for a filter assembly (124) which includes a filter element (128) and a memory device (402). The memory device (402) allows for a record of the filter element's usage to be available at all times even if the filter assembly (124) is moved from one filtering system to a

대표청구항

[ What is claimed is:] [1.] A respiratory system that comprises:a replaceable filter assembly that comprises a filter element and a nonvolatile memory device attached to the filter element; andan air unit including a blower motor assembly and a controller circuit; whereinthe controller circuit deter

이 특허에 인용된 특허 (31)

  1. Emerick Wayne L. (Rte. 20 ; Box 2006 Springfield MO 64803), Air filter condition indicating device.
  2. Kowalczyk Thaddeus (8163 Lochdale Dearborn Heights MI 48127), Air purifier for protecting motor vechicle occupants from pollution.
  3. Wrwag Peter (Romanshorn CHX), Apparatus for indicating how dirty an air filter is in a vacuum-cleaning apparatus, in a room filter, etc..
  4. Komiyama Uichi (Kokubunji JA), Automatic air-purifying system.
  5. Roberts Charles Clifton (Pittsburgh PA), Colorimetric vinyl chloride indicator.
  6. Robin Roger C. (7 Clos du Gandouget Les Elancourtines 78990 Elancourt FRX), Device for the detection of the clogging of an air filter.
  7. Brown Barry M. (Baldwinsville NY) Edwards Evan A. (Pittsford NY) Fearnside William T. (Fishers NY) West Henry L. (Rochester NY), Electronic controller for a water purifying unit.
  8. Mayer Horst (Wagenbergstrasse 33 Neheim-Huesten 2 DT 5760), Exhaust apparatus and monitoring circuit therefor.
  9. Debe Mark K. (Stillwater MN) Miller Lowell R. (White Bear Lake MN) Parsonage Edward E. (Minneapolis MN) Poirier Richard J. (White Bear Lake MN) Yuschak Gregory (Hudson WI), Exposure indicator with continuous alarm signal indicating multiple conditions.
  10. Birenheide Torsten (Krummesse DEX) Lnneker-Lammers Torsten (Pogeez DEX) Riggert Eckhard (Ovendorf DEX), Fan-supported gas mask and breathing equipment with adjustable fan output.
  11. Ellis George S. (Chardon OH), Filter apparatus.
  12. Nelson Lorne W. (Bloomington MN), Filter condition responsive device compensated for changes in medium flow.
  13. Oleskow Brett J. (Elgin IL) Browne Evan P. (Fox River Grove IL) Meyer James D. (Hanover Park IL), Filter life indicator for water purification system using magnetically actuated switch.
  14. Glucksman Dov Z. (Topsfield MA), Filter replacement indicator.
  15. Maly Edward C. (Hartland WI) Bemanian Alireza (Milwaukee WI) Bryson ; Jr. John D. (Pewaukee WI), Filter sensing apparatus and filter therefor.
  16. Grout Edward C. (Mequon WI) Rhoades Nolan K. (Beloit WI) Schwerdt James W. (Mequon WI) Ahrens Robert H. (Janesville WI), Filter with liquid meter.
  17. Wing Richard E. (Midland MI), Filter-type respirator canister.
  18. Hbner Hans-Jrg (Dortmund DEX), Gas work with sensing and alarm means.
  19. Belz Rolf (Hohenstein DEX) Conradt Barthold (WI-Erbenheim DEX), Ion exchange device with chamber having indicator means.
  20. Butts Lawrence D. (Wyoming MI) Niezgoda Thomas A. (Kentwood MI), Method and apparatus for sensing fluid flow volume to indicate end of filter life.
  21. Smith Dennis (Southampton NY) Morton Frances G. (North Palm Beach FL) Nelson Karen (Palm Beach Gardens FL), Method of air filtration for fire fighter emergency smoke inhalation protection.
  22. Koketsu Tadaaki (Gifu JPX), Microcomputer-based control device.
  23. Lipshultz Mitchell (4090 Lake Dr. Ft. Lauderdale FL) Lipshultz Alfred J. (4090 Lake Dr. Coconut Creek FL 33309), Portable water purification system including electronic memory panel assembly.
  24. Tadayon Fereshteh (Asheville NC), Preheat indicator.
  25. McAllister Jerome W. (St. Paul MN) Ord ; Jr. James A. (Blaine MN) Anders Leon W. (Woodbury MN) Kohler Gunter A. (Grant Township ; Washington County MN), Respirator.
  26. Jones John A. (Wilbraham MA) Ayes Adolfo V. (Hartford CT), Respirator cartridge end-of-service lift indicator system and method of making.
  27. Zimmerman Jeffrey A. (Blaine MN) Frank Marlin A. (Minneapolis MN), Self-contained reverse osmosis electronic monitoring system.
  28. Oliver Bruce J. (902 Tam O\Shanter Las Vegas NV 89109), Third faucet system with above sink purity indicator.
  29. Freidank Michael (Berlin DEX) Coym Jurgen (Berlin DEX) Schubert Axel (Berlin DEX), Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases.
  30. Schipper Richard A. (Leucadia CA), Water quality indication system.
  31. Duncan J. Kenneth (Solon OH) Schroeder Wesley A. (Uniontown OH), Water treatment device having means to count times used and limit useage.

이 특허를 인용한 특허 (76)

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  24. Lithgow, Perry David; Virr, Alexander; Trevor-Wilson, Duncan Lovel; Bath, Andrew Roderick; Janiak, Michael Thomas; Kao, Dan; Saada, Jim, Breathable gas supply apparatus.
  25. Alvey,Jeffrey A., Breathing apparatus.
  26. Hagen, Ronald A.; McLaughlin, Keith K., Compact scroll fan assembly.
  27. Hagen, Ronald A.; McLaughlin, Keith K., Compact scroll fan assembly.
  28. Greer,Paul A.; Slack,Joseph D.; Legare,Pierre, Conformal filter cartridges and methods.
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  30. Ebrom, Matthew P.; Glotzbach, Mark E.; McCoy, Richard A.; Pires, Andre O., Consumable holder with converter.
  31. Ebrom, Matthew P.; Glotzbach, Mark E.; Hendrickson, Michael S.; Luckman, Joel A.; McCoy, Richard A., Consumable holder with process control apparatus.
  32. Ebrom, Matthew P.; McCoy, Richard A., Consumable holder with taxonomy.
  33. Foerster, Lee, Deodorizing device and kit, and methods for odor removal.
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  41. Dobbyn, Gregory J., Ductless fume hood gas monitoring and detection system.
  42. Dobbyn, Gregory J., Ductless fume hood gas monitoring and detection system.
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  60. Harpenau, Richard John, Restriction detecting systems for clothes dryer exhaust systems.
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  62. Teetzel, James W.; Lemire, Gary M.; Desrosiers, Daniel A.; Hansen, Mark A., Self-contained breathing system.
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  64. Teetzel, James W.; Lemire, Gary M.; Desrosiers, Daniel A.; Hansen, Mark A., Self-contained breathing system.
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  66. Ebrom, Matthew P.; McCoy, Richard A.; Richmond, Peter J.; Voglewede, Ronald L., Smart filter for an appliance.
  67. Ebrom, Matthew P.; Glotzbach, Mark E.; McCoy, Richard A., Software architecture system with embedded virtual router.
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  70. Lamprecht,Anton W.; Leonard,Dean Laurent; Dall,William John; Burgess,David Bruce; Kheifets,Alexander, System for collecting and filtering imaging by-products.
  71. Verdegan, Barry M.; Thomas, Chad M.; Herman, Peter K., System for monitoring and indicating filter life.
  72. Verdegan, Barry M.; Thomas, Chad M.; Herman, Peter K., System for monitoring and indicating filter life.
  73. Astle, Robert E.; Patel, Hemang; Patel, Mahesh Z.; Holler, Thomas; Fritze, Karl, System for monitoring the performance of fluid treatment cartridges.
  74. Parham, Michael; Ding, Yuquing, Systems and methods for determining filter service lives.
  75. Snow, John Michael; Cork, Simon Robert; Zekic, John; Hunter, Benjamin John, Tub for humidifier.
  76. Ozil, Samuel, Ventilation unit which can be dressed like a tight suit or similar.
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