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Counter top water filter with replaceable electronic display monitor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-035/00   
미국특허분류(USC) 210/087 ; 210/232 ; 210/244 ; 210/282 ; 210/416.3 ; 210/441 ; 210/446
출원번호 US-0854621 (1997-05-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ritchey
인용정보 피인용 횟수 : 54  인용 특허 : 10
초록
▼

A counter top water filter unit intended for domestic use to be placed adjacent to a sink and having an inlet at its lower end which is coupled to the sink faucet. The filter unit includes a cylindrical-shaped carbon particle filter cartridge which has a longitudinal passage extending from one end to the other, and a removable pre-filter screen coaxial with the cartridge and surrounding the cartridge, both elements being removably mounted within a cylindrical filter housing, the housing being closed at its upper end and open at its lower end. A replaceab...

대표
청구항
▼

[ What is claimed:] [1.] A counter top water filter unit used by an operator, comprising:a) a filter unit having filter housing containing a removable cylindrical filter cartridge and a removable pre-filter screen coaxial with said cartridge and surrounding said cartridge;b) an outlet housing mounted to said filter housing;c) replaceable means associated with said outlet housing for evaluating the life-span of said filter cartridge, wherein when said life-span for said filter cartridge has expired said replaceable life-span evaluation means is replaced; ...

이 특허에 인용된 특허 (10)

  1. Parise Michael C. (Sparks NV) Schulz Rainer R. (Sparks NV). Counter top water filter. USP1997085656160.
  2. Boldt ; Jr. Norton K. (El Toro CA) Johnson Kaj A. (Livermore CA). Electronic monitoring unit for monitoring number of uses of cartridge. USP1994075328597.
  3. Knauf ; Jr. Edmund R. (Sheboygan WI) Schumacher ; II Robert G. (Sheboygan Falls WI). Faucet assembly with replaceable filter. USP1996045510031.
  4. Ozkahyaoglu Aysegul (Reed City MI) Zoerner Marty M. (Reed City MI). Filter condition indicator having moveable sensor and aggregate flow counter. USP1992025089144.
  5. Gonzalez Carlos (7962 NW. 66th St. Miami FL 33166). Filtration cartridge. USP1993105252206.
  6. Lowery Richard K. (Warminster PA). Low pressure liquid filter cartridge and method of making. USP1992045108599.
  7. Sklar Eric (Northville MI) Borton Tod (Whitmore Lake MI). Microporous filtration funnel assembly. USP1994055308483.
  8. Kirschmann John D. (933 Anderson St. Bismarck ND 58501). Reverse osmosis water purifier. USP1980084218317.
  9. Hahn Robert W. (Grafton WI). Self-contained canister unit for filtering tap water. USP1991075032268.
  10. Jeon Je-Dal (Suwon KRX) Cho Moon-Hyun (Suwon KRX) Choi Sun-Yong (Seoul KRX) Lee Keun-Ho (Suwon KRX) Chung In-Seog (Suwon KRX). Water purifier with means for indicating when filter replacement is due and for automatically initiating a membrane wash. USP1997105676824.

이 특허를 인용한 특허 피인용횟수: 54

  1. Chai,John Y.; Chai,Sunny N.; Ko,Derek C.. Apparatus and methods for monitoring water consumption and filter usage. USP2009027487677.
  2. Chai,John Y.; Chai,Sunny N.; Ko,Derek C.. Apparatus and methods for monitoring water consumption and filter usage. USP2006097107838.
  3. McCoy, Richard A.; Pires, Andre O.. Appliance and a consumable holder in a network. USP2013078477007.
  4. McCoy, Richard A.. Appliance and a consumable holder with an embedded virtual router. USP2013058442042.
  5. Hendrickson, Michael S.; Luckman, Joel A.; McCoy, Richard A.. Appliance with a service interface for communicating with a consumable holder. USP2011088010211.
  6. Chauquet,Jacques Jean; Grosse,Yves Andr�� Ren��; Jones,Gary Lee; Goldstein,Joel Martin. Aquarium filter assembly. USP2009027488417.
  7. Ebrom, Matthew P.; Glotzbach, Mark E.; Luckman, Joel A.; McCoy, Richard A.; Moes, Christopher S.; Pires, Andre O.. Consumable holder with a cycle structure for an appliance. USP2012118314678.
  8. Ebrom, Matthew P.; Glotzbach, Mark E.; McCoy, Richard A.; Pires, Andre O.. Consumable holder with converter. USP2012098264318.
  9. Ebrom, Matthew P.; Glotzbach, Mark E.; Hendrickson, Michael S.; Luckman, Joel A.; McCoy, Richard A.. Consumable holder with process control apparatus. USP2013068461959.
  10. Ebrom, Matthew P.; McCoy, Richard A.. Consumable holder with taxonomy. USP2013038395476.
  11. Shah, Anand; Shah, Naman; Kalwani, Sameer. Control system for a water distribution system. USP2014088805594.
  12. Bradford, Scott Hugh; Casucci, Marco; Menegon, Italo Renzo; Manfredini Taube, Sara; Mathias Tingstrom, Torsten Rickard; Van Faasen, Joel Graham. Drop filter. USP201401D697170.
  13. Bradford, Scott Hugh; Van Faasen, Joel Graham. Drop filter and stand. USP201401D697172.
  14. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter engine frame. USP201412D719633.
  15. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter funnel portion. USP201408D711504.
  16. Cooper, Beth; Cooper, David; Bradford, Scott. Drop filter stand. USP201408D710970.
  17. Jackson, Beth; Cooper, David; Bradford, Scott. Drop filter top cap. USP201408D711503.
  18. Jackson, Beth; Cooper, David; Bradford, Scott. Drop shaped filter carrier. USP201408D710971.
  19. Boyd,Brian; Hoopis,Michael P.. End-of-faucet filter. USP2008027326334.
  20. Ross,Catherine; Metaxatos,Paul; Koury,Steffan. End-of-faucet filter. USP200612D533622.
  21. Warren,William; Lewis,Gordon; Rizzari,Robert. Faucet-mounted water filtration device including gate position sensor. USP2007087252757.
  22. Bradford, Scott Hugh; Casucci, Marco; Cooper, David P.; Jackson, Beth M.; Kendall, James W.; Menegon, Italo Renzo; Patera, Ginger Elayne; Manfredini-Taube, Sara; Mathias-Tingstrom, Torsten Rickard; Vanfaasen, Joel Graham. Filter assembly and systems/methods of dispensing from and storing the filter assembly. USP2017019539526.
  23. Maggiore, Frank; Vanwormer, Leon. Filter element attachment, filter cartridge, and filter system. USP2015129199202.
  24. Tsataros,Eddie J.; Kirchenstiner,Michael. Fluid treatment device and counter mechanism. USP2007047201840.
  25. Bradford, Scott Hugh; Casucci, Marco; Cooper, David P.; Cur, Nihat O.; Jackson, Beth M.; Kee, Timothy A.; Kendall, James W.; Menegon, Italo Renzo; Myers, Verne H.; Patera, Ginger Elayne; Senninger, Mark M.; Stannis, Gordon Jay; Manfredini-Taube, Sara; Mathias-Tingstrom, Torsten Rickard; Vanfaasen, Joel Graham. Gravity fluid/water filter system. USP2017019550138.
  26. Cur, Nihat O.; Goodwin, Kirk W.; Kee, Timothy A.; Kendall, James W.; Kuehl, Steven John; Myers, Verne H.; Patera, Ginger Elayne; Senninger, Mark M.. Liquid pitcher including divided fluid filter for inlet and outlet filtering. USP2017089731234.
  27. Lautzenheiser, Terry L.; Miles, Michael E.; Missman, Robert M.; Anderson, David J.; Furxhi, Ilir; Hopaluk, Liane B.; Puroll, Amy Sue; King, Kevin G.; Good, Rick G.. Point-of-use water treatment system. USP20190110183870.
  28. Haenlein, Hans-Christoph; Arko, Robert P.; Tsuei, Karen L.. Restricted flow hands-free faucet. USP2005116968860.
  29. Rice, Zachary. Self-contained water filtration system and method of using the same. USP2017119815725.
  30. Rice, Zachary. Self-contained water filtration system including wireless communication and filter verification and method of using the same. USP2017109783430.
  31. Wayne Conrad CA; Terry Bohrson CA. Sensor for a water treatment apparatus. USP2002126491811.
  32. Warren,William; Lewis,Gordon; Rizzari,Robert. Single-use long-life faucet-mounted water filtration devices. USP2007087258781.
  33. Nightlinger, Scott Anthony; Loniewski, Grzegorz. Sink faucet assembly. USP2017059650767.
  34. Ebrom, Matthew P.; McCoy, Richard A.; Richmond, Peter J.; Voglewede, Ronald L.. Smart filter for an appliance. USP2012028118997.
  35. Ebrom, Matthew P.; Glotzbach, Mark E.; McCoy, Richard A.. Software architecture system with embedded virtual router. USP2013128621049.
  36. Astle, Robert E.; Patel, Hemang; Patel, Mahesh Z.; Holler, Thomas; Fritze, Karl. System for monitoring the performance of fluid treatment cartridges. USP2009127638042.
  37. Shah, Anand; Shah, Naman; Kalwani, Sameer. Water distribution system. USP2014048702977.
  38. Warren,William; Lewis,Gordon; Genatossio,Louis F.; Rizzari,Robert. Water filter. USP200704D541372.
  39. Loniewski, Grzegorz; Nightlinger, Scott Anthony; Loniewska, Agnieszka Monika; Loniewski, Piotr. Water filter faucet and cartridge therefor. USP2017049630856.
  40. Rolfes Patrick J.. Water filter replacement indicator. USP2001106306290.
  41. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water filter suspension apparatus. USP201408D710969.
  42. Haynes, Ronald W.; Sale, David William; May, Randall. Water filtering apparatus with element support. USP2004086780316.
  43. Benoit, Kaitlyn M.; Cooper, David P.; Gregory, Christopher A.; Peters, Joseph R.. Water filtration pitcher. USP201712D805342.
  44. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water funnel portion of a water filter. USP201401D697171.
  45. Bradford, Scott Hugh; Van Faasen, Joel Graham. Water pitcher with drop water filter. USP201401D697173.
  46. Cur, Nihat O.; Kendall, James W.; Patera, Ginger Elayne; Senninger, Mark M.. Water pitcher with filter. USP2016129511315.
  47. Baird,Michael T.. Water purification system utilizing a carbon block pre-filter. USP2007097267769.
  48. Hofmann Uwe,DEX ; Fischer Erik,DEX. Water purifying device with means for indicating exhaustion of the purifying medium. USP2001056224751.
  49. Moskoff, Harold I.. Water quality monitoring and transmission system and method. USP2004066753186.
  50. Giordano Edward C. ; Graves Thomas W. ; Jennings James M. ; Vander Berg Mark ; Storer William James A. ; Gibbs Douglas R. ; Lonsinger Douglas A.. Water treatment device with volumetric and time monitoring features. USP2000086106705.
  51. Giordano Edward C. ; Graves Thomas W. ; Jennings James M. ; Vander Berg Mark ; Storer William James A. ; Gibbs Douglas R. ; Lonsinger Douglas A.. Water treatment device with volumetric and time monitoring features. USP2001096284129.
  52. Giordano, Edward C.; Graves, Thomas W.; Jennings, James M.; Vander Berg, Mark; Storer, William James A.; Gibbs, Douglas R.; Lonsinger, Douglas A.. Water treatment device with volumetric and time monitoring features. USP2005086926821.
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