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US 2026/0249294 A1Published application
Observation Device
AssigneeDonaldson Company, Inc.
InventorsJoe A. Jaye, Isaac J. Laffey, Robert O. Nelson
Life of this patent
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Abstract
An observation device having an observation reservoir having an axial thickness and defining an observation volume. The observation reservoir has an observation wall extending through the observation reservoir, where the observation wall is transparent to one or more wavelengths of electromagnetic energy. A microporous membrane extends laterally across and abuts the observation volume and the observation wall.
Claims13
An observation device comprising:
- an observation reservoir having an axial thickness and defining an observation volume, and the observation reservoir comprises:
- an observation wall extending through the observation reservoir, wherein the observation wall is transparent to one or more wavelengths of electromagnetic energy;
- and
- a microporous membrane extending laterally across and abutting the observation volume and the observation wall.
1 more element
Dependencies are inferred from the claim text.