The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2003
Filed:
Jan. 04, 2002
Henry Hubner, Amityville, NY (US);
Edgar Alzner, Garden City, NY (US);
Selwyn Foster, Jr., Laurelton, NY (US);
Air Techniques, Inc., Hicksville, NY (US);
Abstract
A dental vacuum system for use in dental operatories in which a dental aspirator tip in the dental operatory is in fluid communication with a two stage side channel blower for providing suction to the system, there being interposed between the dental aspirator tip and the two stage side channel blower, a solid debris collector and separation chamber for the passage of air and collection of effluent and debris, the air outlet port in the separation chamber having a float valve sealing means, the float valve sealing means having a pivotal lever with a sealing means at one end for engagement with the air outlet port and a float at the opposing lever end for contact with a fluid or foam level within the separation tank, the float depending from the lever end a sufficient distance so as to cause the sealing means to seal the outlet port before any foam can exit the separation tank.