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.

Date of Patent:
Jun. 30, 2015

Filed:

May. 25, 2012
Applicants:

Kenneth Douglas Johnson, Derby, KS (US);

Mark D. Mcneil, Winfield, KS (US);

Inventors:

Kenneth Douglas Johnson, Derby, KS (US);

Mark D. McNeil, Winfield, KS (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/00 (2006.01); E01H 1/00 (2006.01);
U.S. Cl.
CPC ...
E01H 1/006 (2013.01);
Abstract

Portable vacuum systems are provided. In one embodiment, a portable vacuum system includes a tank, an engine, and a transportation system. The engine is configured to generate a vacuum within the tank. The transportation system illustratively has one or more wheels and is configured to tilt the tank about an axis that is between a front and a back of the tank. In other embodiments, a portable vacuum system may also include a swivel elbow that connects the tank to a vacuum wand, a ledge that supports the engine, a back door that forms a seal with the tank along a curved lip, and a filter that is accessible through a threaded cover on the tank. Additionally, one or more of the components of a system may be made utilizing rotational molding.


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