Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2008-07-08
2008-07-08
Chapman, John E (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S596000, C096S417000
Reexamination Certificate
active
07395710
ABSTRACT:
A monitoring assembly for a filter may include a transmitter, arranged on a first side of the filter, configured to emit sound waves. The monitoring assembly may also include a first receiver, arranged on the first side of the filter, configured to receive the sound waves. The monitoring assembly may further include a second receiver, arranged on a second side of the filter, configured to receive the sound waves.
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Caterpillar Inc.
Chapman John E
Finnegan Henderson Farabow Garrett & Dunner
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