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Class Information
Number: 433/92
Name: Dentistry > Apparatus > Having suction orifice > And suction pump or material separator
Description: Apparatus including either (a) means for creating subatomospheric pressure at the nozzle, or (b) means for recovering and retaining the removed material from the air current.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8393898 Apparatus for filtering dental solid waste Mar. 12, 2013
8241242 Phacoaspiration flow restrictor with bypass tube Aug. 14, 2012
8231384 Dental evacuation tool Jul. 31, 2012
8096807 Dental instrumentation unit Jan. 17, 2012
7811088 Low-cost magnetically aided apparatus for separating dental amalgam from waste water Oct. 12, 2010
7625207 Yankauer suction device with sleeve and wiper Dec. 1, 2009
7326282 Control device for fluid separators in dental aspiration plants Feb. 5, 2008
7306460 Dental vacuum system assembly and process incorporating an amalgam separation chamber Dec. 11, 2007
7214059 Bone collecting device May. 8, 2007
7182599 Method and apparatus for removing particulate metals from dental waste water Feb. 27, 2007
7063793 Apparatus and method for removing mercury and mercuric compounds from dental effluents Jun. 20, 2006
6946069 Apparatus for removing metallic particles from effluent liquid waste Sep. 20, 2005
6923646 Process and apparatus for treating an exhaust stream from a dental operatory Aug. 2, 2005
6790038 Dental vacuum system assembly and process incorporating an amalgam separation chamber Sep. 14, 2004
6790346 Cyclone separator suitable for variable fluid flow rates Sep. 14, 2004
6692636 Apparatus removing metallic particles from effluent liquid waste Feb. 17, 2004
6638066 Dental vacuum system Oct. 28, 2003
6592769 Filter and collection device for separating materials and use thereof Jul. 15, 2003
6464499 Air-sucking, sterilizing and wastewater treatment method for dental clinic bed Oct. 15, 2002
6428316 Tartar trap Aug. 6, 2002
6409803 Amalgam separation Jun. 25, 2002
6387070 Bone slurry recovery May. 14, 2002
6372006 Separator element for a centrifugal separator Apr. 16, 2002
6276936 Dental separator for solids from a solids/liquid mixture Aug. 21, 2001
6183254 Dental strainer unit for an aspirator Feb. 6, 2001
6149812 Dental environmental filter for heavy metals and mercury hygiene Nov. 21, 2000
6146136 Self-cleaning dental suction device Nov. 14, 2000
6090286 Separator centrifuge Jul. 18, 2000
6083306 Separator and discharger device for waste fluids in dental aspiration apparatus Jul. 4, 2000
6074208 Noise reduction in fluid flow passage Jun. 13, 2000
6022216 Fluid separator for dental aspiration apparatus Feb. 8, 2000
5967780 Dental vacuum receptacle and method Oct. 19, 1999
5885076 Method and system for removing mercury from dental waste water Mar. 23, 1999
5879552 Method and apparatus for a self-purifying filter system Mar. 9, 1999
5820753 Disposable dental evacuation trap Oct. 13, 1998
5797742 Amalgam solids collecting and separating apparatus Aug. 25, 1998
5795159 Mercury removal method and apparatus Aug. 18, 1998
5788852 Process for preventing accumulation of contaminants in dental suction systems Aug. 4, 1998
5741397 Dental waste separator Apr. 21, 1998
5738519 Dental suction device Apr. 14, 1998
5693221 Cyclonic liquid-separating unit Dec. 2, 1997
5667382 Vacuum pump seal-water recycling and waste disposal system for dental operatories Sep. 16, 1997
5651673 Vibration-damping support for a dental separator Jul. 29, 1997
5630939 Filter assembly device for use in surgical aspirated suction May. 20, 1997
5618410 Automatically draining vacuum apparatus Apr. 8, 1997
5613851 Separator for a dental suction apparatus Mar. 25, 1997
5593304 Dental apparatus including multiple-use electrically-oscillated handpiece Jan. 14, 1997
5577910 Vacuum pump seal-water recycling and waste disposal system for dental operatories Nov. 26, 1996
5551845 Medical air vacuum Sep. 3, 1996
5531722 Aspiration unit Jul. 2, 1996

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