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Your search returned 250 patents.
( 73/295 in Current US Classification ) |
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| 1 2 3 |
| Patent ID | Title | Date Filed |
| 5402709 | Method and apparatus for detecting steam in a volume of air and a steam generator and a steam cooking oven using such method and such apparatus
| July 22, 1992 |
| 5402112 | Liquid level and temperature monitoring apparatus
| August 24, 1993 |
| 5402110 | Hydraulic fluid leak detection system and method
| February 3, 1994 |
| 5394749 | Method and apparatus for detecting the position of fluid-fluid interfaces
| June 9, 1994 |
| 5393736 | Cryogenic fluid level sensor
| November 30, 1992 |
| 5385044 | Method of using a thermo-chromatic detergent level indicator
| August 25, 1993 |
| 5379637 | Natural gas vehicle fuel gauge system
| October 12, 1993 |
| 5339689 | Apparatus for detecting variations in heat transfer for measuring the fluid level or the interface between two fluids within a container
| May 20, 1993 |
| 5323652 | Thermochromic level indicator
| February 8, 1993 |
| 5321633 | Heat radiating type liquid level sensing system and the method therefor
| May 21, 1992 |
| 5303557 | Method and apparatus for determining the phase of a fluid
| July 12, 1993 |
| 5297393 | Liquid level and temperature monitoring apparatus
| February 9, 1993 |
| 5293896 | Arrangement for measuring the level of liquified gases
| November 28, 1990 |
| 5272919 | Method of measuring level of filling
| April 2, 1992 |
| 5234527 | Liquid level detecting device and a processing apparatus
| July 17, 1991 |
| 5228340 | Method and apparatus for heat radiating type level sensor measurement of liquid level
| May 1, 1992 |
| 5211904 | In-vessel water level monitor for boiling water reactors
| December 10, 1990 |
| 5210769 | Liquid level measuring system
| December 30, 1991 |
| 5209115 | Liquid detector for thin-walled tanks operating in zero gravity
| September 11, 1991 |
| 5205172 | Electronic gauge for interface measurements
| September 23, 1991 |
| 5201223 | Method of sensing fluid flow and level employing a heated extended resistance temperature sensor
| August 19, 1992 |
| 5197329 | PTC water level sensor and control
| May 22, 1992 |
| 5178009 | Integral temperature and liquid level sensor and control
| May 21, 1991 |
| 5174153 | Device for detecting the level of a liquid in a receptacle
| March 27, 1992 |
| 5167154 | Point level detector
| November 8, 1991 |
| 5167153 | Method of measuring physical phenomena using a distributed RTD
| June 25, 1990 |
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