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:
Oct. 20, 2020
Filed:
Nov. 18, 2015
Versum Materials Us, Llc, Tempe, AZ (US);
Charles Michael Birtcher, Valley Center, CA (US);
Thomas Andrew Steidl, Escondido, CA (US);
Versum Materials US, LLC, Tempe, AZ (US);
Abstract
An ultrasonic sensor probe () and controller (). The controller () is operationally configured to determine and display wet and dry status of each of a plurality of ultrasonic sensors () positioned in the barrel () of the probe (). The controller () may change the status of a sensor () from wet to dry or dry to wet if certain conditions are met, such as the sensor () consistently indicates the new status over multiple readings or over a predetermined period of time. The controller () preferably includes a two-wire output capable of producing a stepped analog or digital signal that indicates the fluid level in a container in which the probe () is positioned.