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:
Mar. 19, 2002

Filed:

Sep. 17, 1999
Applicant:
Inventors:

James P. Koenig, Olmsted Twp., OH (US);

Leonard Quinn, Elyria, OH (US);

Richard J. Conklin, Bay Village, OH (US);

Fred Hoffman, Columbia Station, OH (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 4/642 ; B01D 4/644 ; B01D 4/646 ;
U.S. Cl.
CPC ...
B01D 4/642 ; B01D 4/644 ; B01D 4/646 ;
Abstract

A trailer air dryer is provided to minimize contamination, leakage or freeze-up of the valves used in a pneumatic braking and suspension system caused by moisture or foreign particles in the system. A bypass assembly is provided to ensure normal brake operation should the filters or drying material/desiccant become plugged. In one embodiment, an audible signal or warning is provided to the operator indicating need for servicing the trailer air dryer.


Find Patent Forward Citations

Koenig, James. (2002). Trailer air dryer with bypass valving and service indicator (U.S. Patent No. 6358291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6358291

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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