이 특허에 인용된 특허 (71)

1. Brown Marvin A. (Sewickley PA) Bergmann Eugen O. (Evans City PA) Hsieh Richard (Sewickley PA), Apparatus and method for improving gas backwash in lateral underdrains.

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2. Brown Marvin A. (Sewickley PA) Bergmann Eugen O. (Evans City PA) Hsieh Richard (Zelienopie PA), Apparatus and method for improving gas backwash in lateral underdrains.

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3. Roberts,R. Lee; Addison,Mark Kevin, Apparatus for directing fluids through a filter system.

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4. Whitmore Edward A. (Salt Lake City UT), Apparatus for filter backwashing.

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5. Lucenet Deborah,FRX ; Lucenet David,FRX ITX 13710, Box, an insulating system, and a ground drainage system.

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6. Brown Marvin A. (Allegheny County PA) Wolfe Gerald D. (Butler County PA) Beverly Richard P. (Butler County PA), Cap for underdrains in gravity filters.

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7. Brown Marvin A. (Sewickley PA) Wolfe Gerald D. (Zeliepnople PA) Beverly Richard P. (Butler PA), Cap for underdrains in gravity filters.

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8. Brown Marvin A. (Sewickley PA) Beverly Richard P. (Clackamas OR), Cap system for underdrains in gravity filters.

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9. Phillips Trevor (3001 Mission Oaks Blvd. Camarillo CA 93011) Babcock Robert (3001 Mission Oaks Blvd. Camarillo CA 93011), Channel drain and support bracket unit.

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10. Van Duyn Phillip L. (Akron OH) Barenwald Jorg R. (Chardon OH) Kruse Kenneth E. (Solon OH), Chemical safety conduit or trench.

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11. Meurer Charles L. (Golden CO), Clarifier apparatus and methods with 3-D arrays.

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12. Meurer Charles L. (Golden CO), Clarifier apparatus and methods with 3D arrays.

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13. Henric Lind SE, Descending bed, continuously regenerating type filter with an adjustable length wash chamber.

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14. Gavin Norman W. (2545 Ridge Rd. North Haven CT 06473), Drain grate.

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15. Thompson,Keith; Pickavance,John Neil; Pendleton,Alan Jack, Drainage assembly.

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16. Phillips Trevor (3001 Mission Oaks Blvd. ; P.O. Box 6038 Camarillo CA 93011-6038), Drainage channel.

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17. Humphries,Derek; Humpage,Roy; Mayo,Gary Edwin, Drainage grate.

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18. Lee,Alan Sian Ghee, Drainage module.

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19. Lee Sian Ghee Alan,SGX, Drainage panel.

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20. Lindstol ; Anders, Filter and method.

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21. Roberts Robert L. (Boothwyn PA) Eden Douglas H. (Harmony PA), Filter employing barrier.

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22. Platt, Keith, Filter frame.

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23. Platt, Keith, Filter frame.

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24. Platt, Keith, Filter frame.

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25. Platt, Keith, Filter frame.

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26. Roberts,R. Lee, Filter having a filter layer that forms a protective barrier to prevent clogging of a gravel-less underdrain and method of making the same.

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27. St. Germain,Darin, Filter having a media retaining plate.

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28. St. Germain,Darin, Filter having a media retaining plate.

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29. Stannard Forrest B. (Ft. Lauderdale FL) Highstreet Edward J. (Coral Springs FL), Filter media and filter apparatus.

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30. Jackson,Scott; Germain,Darin St.; Steinke,Thomas J.; Gallagher,Paul M., Filter media retaining cap and hold down grid.

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31. Hambley John B. (4232-16A Street S.E. Calgary ; Alberta CAX T2G 3V1), Filter underdrain apparatus with partitioned distributor conduits.

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32. Berkebile Dean T. (Mars PA) Wolfe Gerald D. (Zelienople PA), Filter underdrain block.

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33. Hambley,David M.; Hambley,Philip, Filter underdrain system for backwash flow and method for measuring same.

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34. Hambley,David; Hambley,Philip, Filter underdrain system for backwash flow and method for measuring same.

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35. Dyson,John D.; Jessop,Jack H.; Johnson, Jr.,Harold W.; Brittingham, Jr.,Louis U.; Matanoski,Gregory, Filtration system underdrain.

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36. Farabaugh Patrick (Dallas TX), Fluid distributor.

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37. Nattrass,Nigel; Luke,Owen, Grate.

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38. Blecher Peter (Hagen DEX), Grate for drainage ducts.

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39. Blecher Peter (Hagen DEX), Grate for drainage ducts.

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40. Slappay, Robert, Individual ice cube handling device.

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41. Stegge, Jerry, Integrated liquid and gas distribution device for underdrain block laterals.

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42. Roberts, R. Lee, Method and apparatus for monitoring an underdrain of a filter system.

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43. Williamson Kenneth J. (Corvallis OR) McCarty Perry L. (Stanford CA), Method and apparatus for separating suspended solids from liquids.

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44. Hunkele Gary, Method for retrofitting a false bottom underdrain filter system.

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45. Phillips Trevor (Westlake Village CA), Modular drainage channel.

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46. Shea Edward M. (Salt Lake City UT) Scott J. Holland (Salt Lake City UT), Nozzleless underdrain for granular filtration system.

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47. Shea Edward M. ; Scott J. Holland ; Gammell Kathleen R., Nozzleless underdrain for granular filtration system.

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48. Moore Richard P. (Germiston ZAX), Particulate filter backwash outlet.

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49. Steinlein Rudolf (Almbachstrasse 8 8 Munich 25 DT) Schoeller ; deceased Alexander (Chesa Balaster LATE OF Munich-Solln DT) Schoeller ; administratrix by Christina (Chesa Balaster 7524 Zuoz (Engadin) , Plastics material pallet.

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50. Ward Thomas D. (Mineral Wells TX), Pleated filter underdrain, method and apparatus.

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51. Deskins,Franklin David, Process for combining solids thickening and dewatering in one vessel.

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52. Piper Louis H. (Richmond VA) White J. David (Stone Mountain GA) Hartman Ronald H. (Richmond VA), Rigid filter elements, related apparatus and methods.

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53. Dittmann, Rainer K.; Bredebusch, Anthony A.; Richter, Christian A.; Fischer, Anja B., Sintering tray.

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54. Roberts, R. Lee; Addison, Mark Kevin, System and method for uniformly distributing a fluid through a filter bed in a filter.

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55. Roberts, R. Lee; Addison, Mark Kevin, System and method for uniformly distributing a fluid through a filter bed in a filter.

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56. Meyers Theodore W. (Inverness IL), Trench drain system.

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57. Addison,Mark Kevin, Underdrain.

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58. Addison,Mark Kevin, Underdrain.

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59. Hambley, Philip; Hambley, David M.; Carothers, Cole; Bassett, II, Govert, Underdrain apparatus.

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60. Kadakia, Navin; Kuchtjak, Edward; Baker, Keith, Underdrain apparatus.

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61. Hambley,David M.; Hambley,Philip; Carothers,Cole; Bassett, II,Govert, Underdrain apparatus and method of manufacturing same.

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62. Sorosinski Jerome C. (Pasadena MD), Underdrain filter plate installations in automatic backwash filter systems.

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63. Haggard, Gary D., Underdrain filtration system with stamped perforations.

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64. Sturgill James Raymond (Charlotte NC), Underdrain for water filtration system.

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65. Medworth Graeme, Underdrain structure for media filters.

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66. Roberts, R. Lee; Addison, Mark Kevin, Underdrain system.

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67. Roberts, R. Lee; Addison, Mark Kevin; Schmoyer, Jason Samuel; Ilyin, Aleksandr Vladimirovich, Underdrain system.

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68. Melber Milton R. ; Haggard Gary D., Underdrain unit for granular filtration system.

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69. Emrie Robert E. (Austin TX), Underdrain unit with air/water backwash for granular filtration system.

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70. Larach, Oscar, Underground infiltration tank module.

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71. Newcombe, Remembrance L.; Volkenand, David G.; Lopp, Mark S., Washbox.

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