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:
Apr. 10, 2001
Filed:
Oct. 27, 1998
Applicant:
Inventors:
Norman R. McCombs, Tonawanda, NY (US);
James A. Alessi, Leroy, NY (US);
Assignee:
AirSep Corporation, Buffalo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/22 ;
U.S. Cl.
CPC ...
G01F 1/22 ;
Abstract
A ball type flowmeter having an external transparent housing on which a flow rate scale is pre-printed, and contained in the housing is a transparent tube having a floating ball, the tube being slidable in the housing and having upper and lower flanges to be moved into and then fixed at a position at which the ball indicates the flow rate of a test gas.