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. 19, 1995
Filed:
Mar. 10, 1994
Applicant:
Inventors:
Steven R Lalumandier, League City, TX (US);
Cathy J Geary, Seabrook, TX (US);
Larry F Knight, Seabrook, TX (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
13710119 ; 13710121 ;
Abstract
A tracer gas and a carrier gas, such as helium and nitrogen, are blended using flow restrictive orifices in the flow lines for each gas. A process controller is used for automatic adjustment of a control valve in the tracer gas flow line in response to variations in pressure, temperature and flow in the flow lines.
Lalumandier, Steven. (1995). Automatic gas blending system (U.S. Patent No. 5476115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5476115
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile