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| Number | Title | Issue Date |
| 7228793 | Carbonation system for enhancing the flavor of fruits and vegetables A carbonation system is disclosed that effectively controls the treatment of fruits and vegetables with CO2 gas, providing enhanced flavor to fruits and vegetables. One embodiment of the invention uses a microprocessor to preferably monitor and control th... | 06/12/2007 |
| 6857315 | Armored tubular sight gauge with integral valves and misalignment unions An armored sight gauge assembly of the type having a sight tube that is placed between first and second spaced apart fittings to show a liquid level comprising an elongated main body positioned between and permanently connected to the first and second fittings. The ... | 02/22/2005 |
| 6234018 | Safety liquid level sight gauge A safety liquid level sight gauge with a transparent sight tube coaxially disposed between mounting blocks and concentrically within a transparent shield tube which is protected by a metal sleeve with a sliding inspection window for observing the liquid l... | 05/22/2001 |
| 5763776 | Self-sealing sight glass for a fluid vessel A sight glass for a fluid vessel that includes a housing with facility for mounting to a fluid vessel wall, and a transparent window mounted within the housing for viewing fluid within the vessel from outside of the vessel wall. A valve mounted within the... | 06/09/1998 |
| 5648607 | Replaceable sight gauge system The present invention relates to a replaceable sight gauge system to monitor fluid levels in a reservoir or fluid tank. The sight gauge of the present system is mounted to the wall of a fluid tank by two bolt assemblies. The bolt assemblies, which include... | 07/15/1997 |
| 4704983 | Flow metering sight glass A metering sight glass is provided by a body of a transparent glass-like material having its ends polished to provide opposite viewing faces, the body being provided intermediate its length with dual axially aligned transverse passages, one of which provi... | 11/10/1987 |
| 4631940 | Digital readout combination lock dial assembly A selectively illuminated digit display combination lock dial assembly to be coupled to the spindle of a combination lock for dialing a lock opening combination of numbers, including a rotatable dial member to dial the numbers of the combination, a dial b... | 12/30/1986 |
| 4048856 | Quick shut-off direct reading liquid level indicator A quick shut-off device for attachment to the side of a liquid filled container to measure the amount of liquid therein. Upper and lower valves with a sight glass extending between them are provided with ball valves to allow the on-off positions of the up... | 09/20/1977 |
