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. 06, 1994
Filed:
May. 26, 1993
Applicant:
Inventors:
Clayton J Bossart, Monroeville, PA (US);
Daniel E Bruce, Murrysville, PA (US);
Charles H Etheridge, Pittsburgh, PA (US);
Assignee:
Mine Safety Appliances Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
7386323 ; 7386333 ;
Abstract
A personal sampling apparatus having multiple sampling ports for simultaneously taking a plurality of ambient air samples in parallel. Incorporated into the sampling apparatus is a regulator for enabling the apparatus to function with virtually any personal sampling pump. The regulator by being located immediately proximate to the sampling ports is able to provide independent vacuum flow rate control of each of the multiple sampling ports.