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:
Dec. 28, 1999
Filed:
May. 05, 1998
Michael W Purcell, Mainville, OH (US);
Sheng Sheng Yang, Marshallville, OH (US);
John Trifone Martin, Scotts Valley, CA (US);
Richard R Reckner, Cincinnati, OH (US);
Jeffrey L Harris, Hollister, CA (US);
Tekmar Company, Cincinatti, OH (US);
Abstract
An analytical instrument measures carbon content of a liquid sample. The instrument includes a sample inlet, a reagent inlet, a rinsing solution inlet, a reaction chamber, a waste outlet and a syringe pump. A multiple port valve has a plurality of ports which are coupled to the sample inlet, the reagent inlet, the rinse solution inlet, the reaction chamber and the waste outlet. The valve also includes a primary port coupled to the syringe pump and selectively fluidically couplable to each of the remaining ports.